Negotiable

Category: Chemicals/Laboratory Reagents/High-Purity Reagents & Substances

Company: Hubei new DE sheng material science and technology co., LTD.

Product Description: As an excellent buffer, the main function of CAPS is to stabilize the pH value of the solution. In analytical chemistry, many reactions are very sensitive to changes in pH value. Therefore, using CAPS as a buffer can effectively control the pH of the solution, improve the repeatability and reliability of the reaction. For example, in acid-base titration, it can be used as a titrant to accurately determine the acidity or alkalinity of the sample by adjusting the pH value of the solution. It can also improve the accuracy of analysis. In analytical chemistry, many analytical methods require specific pH conditions. Using CAPS as a buffer can maintain the stability of the solution pH, reduce errors, and improve the accuracy of analysis. For example, in spectrophotometry, it can be used as a buffer to maintain the stability of the solution pH value, thereby improving the accuracy of the measurement. In addition to being widely used in conventional chemical analysis, it also plays an important role in biochemical analysis. For example, it can serve as a buffer for enzyme reactions, providing a suitable reaction environment for enzymes and maintaining stable enzyme activity. In addition, it can also be used to prepare various biological buffers, providing a suitable environment for biochemical reactions, and improving the efficiency and accuracy of the reaction. In addition to the aforementioned applications, CAPS has other broad applications in analytical chemistry. For example, it can be used as a termination electrolyte in capillary electrophoresis analysis, to increase the retention sensitivity of sulfites during flow injection, and to prepare various agar culture media. These applications fully demonstrate the important role of CAPS in analytical chemistry. more>

$面谈

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: 陕西圣瑞医药科技有限公司

Product Description: Clinical Practice of Pharmaceutical Grade Citric Acid in the Treatment of Metabolic Acidosis Medical Grade Citric Acid 500g per BottlePharmaceutical Grade Citric AcidThe "Chinese Pharmacopoeia 2020 Edition" has clear quality standards for pharmaceutical grade citric acid, which has various roles and uses in the medical field, as detailed below:Pharmacopoeia Quality Standards for Pharmaceutical Grade Citric Acid- Appearance: Colorless translucent crystals, white granules, or white crystalline powder, highly soluble in water, easily soluble in ethanol, and slightly soluble in ether.- Identification:- After drying at 105°C for 2 hours, the infrared absorption spectrum of this product should match the reference spectrum (Spectrum Collection Figure 1239).- This product exhibits the identification reaction of citrate (2) (General Rule 0301).- Inspection:- Clarity and color of solution: Dissolve 2.0g of this product in 10ml of water; the solution should be clear and colorless. If coloration occurs, it should not be deeper than that of Yellow No. 2 or Yellowish Green No. 2 standard color solutions.- Potassium: Compare 1.0g of this product with a control solution prepared from 1.5ml of standard potassium solution; it should not be more concentrated (0.015%).Functions and Uses of Pharmaceutical Grade Citric Acid- pH Adjustment: As a pH regulator, it controls and stabilizes the pH of pharmaceutical preparations, ensuring drug stability and efficacy, particularly suitable for injections, oral solutions, and tablets.- Solubilization: It can form salts with certain drug components, improving drug solubility and aiding in better drug efficacy.- Antioxidant Effect: By chelating metal ions, it reduces the catalytic effect of metal ions on drug oxidation reactions, delaying drug oxidation and extending shelf life.- Excipient Function: Provides necessary physical and chemical stability for tablets, oral solutions, etc. It also serves as an acidic flavoring agent, effervescent agent, cooling agent, etc., improving drug taste and formulation characteristics.Clinical Practice of Pharmaceutical Grade Citric Acid in the Treatment of Metabolic Acidosis Medical Grade Citric Acid 500g per Bottle1. Analysis of Pharmacopoeia Standards for Pharmaceutical Grade Citric Acid (CP2020)- Focus on key quality control points such as appearance, identification, inspection (chloride limits), and content determination (potentiometric titration).2. pH Regulation Mechanism of Citric Acid in Pharmaceutical Preparations- Analyze its role as a buffer in injections and oral solutions, explaining pH control ranges with typical formulations.3. Optimization of Production Processes for Pharmaceutical Grade Citric Acid- Compare the advantages and disadvantages of deep fermentation and ion exchange resin methods, emphasizing purity requirements (≥99.5%) and impurity control for pharmaceutical-grade products.4. Regional Anticoagulation Protocol with Citric Acid in CRRT- Discuss pre-filter citrate infusion, calcium concentration monitoring, and the use of low-base replacement fluids, illustrating safety with clinical cases.5. Adverse Reactions and Management of Pharmaceutical Grade Citric Acid- Include manifestations of metabolic alkalosis and hypocalcemia, along with management strategies (e.g., adjusting replacement fluid composition).6. Research on the Disintegration Mechanism of Citric Acid in Effervescent Tablets- Analyze the reaction kinetics between citric acid and sodium bicarbonate, optimizing tablet formation processes and stability.7. Quality Testing Process for Pharmaceutical Grade Citric Acid- Cover testing methods for key indicators such as acidity/alkalinity, clarity, and bacterial endotoxins, emphasizing compliance with pharmacopoeia standards.8. Mild Applications of Citric Acid in Cosmetics- Explore its biocompatibility as a pH regulator in skincare products, comparing standards between pharmaceutical and cosmetic grades.9. Precautions for Using Citric Acid in Patients with Hepatic or Renal Impairment- Emphasize dose reduction due to decreased metabolic capacity to avoid accumulation toxicity, recommending regular electrolyte monitoring.10. Market Supply and Price Trends of Pharmaceutical Grade Citric Acid- Analyze recent market growth (CAGR ~6%) and the impact of raw material price fluctuations on costs.11. Anticoagulation Techniques with Citric Acid in Extracorporeal Circulation Surgery- Cover timing of administration, dose adjustments, and synergies with other drugs in cardiopulmonary surgery and organ transplantation.12. Storage Conditions and Stability of Pharmaceutical Grade Citric Acid- Require sealed, light-protected storage to avoid deliquescence, clarifying shelf-life differences between formulations (injections, powders).13. Compliant Applications of Citric Acid in the Food Industry- Discuss its use as an acidity regulator in beverages and dairy products, comparing standards between pharmaceutical and food grades.14. Chelation of Heavy Metal Ions by Pharmaceutical Grade Citric Acid- Explain the chelation mechanism and clinical applicability, including potential uses in metal poisoning treatment.15. Clinical Practice of Citric Acid in the Treatment of Metabolic Acidosis- Describe applications in nephrology and diabetes based on its weak acid metabolism, including combination therapy with other alkaline drugs.16. Differences in Domestic and International Market Standards for Pharmaceutical Grade Citric Acid- Compare impurity limits and testing methods in CP, USP, and EP pharmacopoeias, guiding export-oriented compliance production.17. Strategies to Prevent Metabolic Alkalosis with Citric Acid in CRRT- Recommend using low-base replacement fluids and adjusting citrate infusion rates to reduce alkalosis incidence.18. Advances in Synthesis Processes for Pharmaceutical Grade Citric Acid- Analyze the industrial prospects of new technologies like resin exchange and biosynthesis, highlighting green production trends.19. Applications of Citric Acid in Tumor Drug Delivery Systems- Explore its pH-responsive release mechanism as a carrier material in nano-formulations, enhancing drug targeting.20. Biocompatibility Evaluation Methods for Pharmaceutical Grade Citric Acid- Include in vitro tests for cytotoxicity and sensitization, along with animal model assessments to ensure clinical safety.   more>

Negotiable

Category: Hardware & Tools/Rolling Bearings/Other Bearings

Company: Shandan Meian Mining Equipment Co., Ltd.

Product Description: Shandong Meian Mining Equipment Co., Ltd. supplies online monitoring of motor bearing temperature and vibration for coal mine electromechanical equipment, online monitoring of temperature and vibration for coal mine electromechanical equipment, online monitoring of temperature and vibration, bearing temperature and vibration monitoring, and intelligent fault diagnosis for the operational status of large coal mine electromechanical equipment.Equipment condition monitoring and fault diagnosis technology is one of the equipment maintenance methods. Equipment fault monitoring and diagnosis technology involves using scientific detection methods and modern technological means to monitor and troubleshoot the current operational status of equipment, thereby determining the reliability of the equipment's operational status and confirming whether it is operating normally locally or as a whole.PT100 Main technical parameters of temperature sensor:Measurement range: -200℃~650℃. During motor operation, the bearing temperature must not exceed 100℃,Coal mine electromechanical equipment such as hoists, wire rope traction, drum belt conveyors, belt conveyors, air compressors, pressure fans, water pumps, etc., require the addition of temperature and vibration monitoring for motors and main bearings.Device Functions1、Online monitoring of temperature and vibration for the main bearings of motors in equipment such as hoists, water pumps, belt conveyors, etc.2、Detection and diagnosis of bearing temperature and vibration for mining high-voltage asynchronous motors.3、Online monitoring of temperature and vibration for the main bearings of drums in equipment such as hoists, water pumps, belt conveyors, etc.4、Online monitoring of temperature and vibration for motors and main bearings of large underground electromechanical equipment.5、Can simultaneously collect data on the temperature of the front and rear motor bearings and the vibration level of the motor, and analyze and process the received information.6、The system provides a network interface, which can be directly connected to the smart mine network or to systems within other networks.7、The online system software can monitor the spectrum, time-domain waveform, trend, 3D spectrogram, and coordinate diagram of any channel in real time, and can also perform remote monitoring via the internet.8、Audible and visual alerts for exceeding temperature and vibration limits of motor main bearings; local or remote audible and visual alerts.9、Audible and visual alerts for exceeding temperature and vibration limits of drum main bearings; local or remote audible and visual alerts.10、The online system software can monitor the spectrum, time-domain waveform, trend, 3D spectrogram, and coordinate diagram of any channel in real time, and can also perform remote monitoring via the internet;11、Visualization of real-time curves for motor bearing temperature and vibration parameters;12、Functions include listing, storage, display, alerts, network upload, remote monitoring, report printing, etc.;13、The system provides a network or RS485 interface, which can be directly connected to the smart mine network or to systems within other networks;14、Traceable records of alerts for motor bearing temperature and vibration parameters;15、Remote (Ethernet or wireless network) online monitoring of temperature and vibration parameters for drum and motor main bearings;16、Online monitoring of three-phase winding temperature for motors in equipment such as hoists, water pumps, belt conveyors, etc.;17、Online monitoring of motor voltage for equipment such as hoists, water pumps, belt conveyors, etc. more>

Negotiable

Category: Others

Company: Huzhou Hengsheng Renewable Resources Materials Co., Ltd.

Product Description: Jinhua Used Distribution Cabinet Recycling, Jinhua High and Low Voltage Switchgear Recycling, Jinhua Distribution Cabinet Recycling Price, Jinhua Switchgear On-site RecyclingI. Scope of Distribution Cabinet Recycling:1. Distribution Cabinet Recycling: Provides recycling services for high-voltage distribution cabinets, low-voltage distribution cabinets, explosion-proof distribution cabinets, power distribution cabinets, electrical distribution cabinets, machine tool distribution cabinets, control distribution cabinets, box-type distribution cabinets, GCK distribution cabinets, advanced distribution cabinets, substation distribution cabinets, integrated distribution cabinets, complete set distribution cabinets, and other distribution equipment.2. Switchgear Recycling: Provides recycling services for high-voltage switchgear, medium-voltage switchgear, low-voltage switchgear, and ABB switchgear.3. Control Cabinet Recycling: Provides recycling services for electrical control cabinets, frequency conversion control cabinets, fire control cabinets, high and low voltage control cabinets, and PLC control cabinets.4. Transformer Recycling: Provides recycling services for dry-type transformers, box-type transformers, distribution transformers, power transformers, instrument transformers, rectifier transformers, oil-immersed transformers, electric furnace transformers, combined transformers, test transformers, special transformers, winding transformers, core-type transformers, amorphous alloy transformers, and shell-type transformers. more>

$13000

Category: Chemicals/Inorganic Salts/Other Inorganic Salts

Company:

Product Description: With the promulgation of the new national standard GB5009.34-2022 "Determination of Sulfur Dioxide in Food," the methods for determining sulfur dioxide in food and sulfur dioxide in traditional Chinese medicines as per the Chinese Pharmacopoeia have become largely similar. Based on strict adherence to the national standard requirements, the instrument integrates functions such as heating, distillation, nitrogen blowing, timing, and titration into one unit. It can simultaneously process 3-5 samples (blank samples, parallel samples), thereby greatly improving the accuracy of detection data and reducing working time. Additionally, this machine is fully compatible with the pre-treatment for sulfur dioxide determination in traditional Chinese medicines as specified in the Chinese Pharmacopoeia, enabling dual-purpose use with one machine.Product IntroductionThe food sulfur dioxide distillation apparatus adopts an intelligent integrated design, utilizing far-infrared ceramic heating devices to replace high-power electric heaters. It also employs intelligent distillation endpoint control, built-in cooling water automatic temperature reduction and reflux devices, and professionally designed condensers, among other technical means. This achieves simplicity of operation, automatic distillation, aesthetic practicality, and energy savings. It is widely applicable for distillation operations such as sulfur dioxide residue in food testing, as well as formaldehyde and alcohol content determinations.Application ScopeWidely applicable in various chemical laboratories requiring distillation processes, including environmental monitoring, environmental protection, disease control, aquaculture, water supply and drainage, universities, research institutions, and industrial enterprises. Examples include distillation and digestion processes for volatile phenols, cyanide, ammonia nitrogen, Kjeldahl nitrogen, COD, moisture in oil, and distillation experiments for sulfur dioxide residue in food.Main Features1. Integrated design for easy installation and maintenance; capable of processing 6 sets of samples at once, with independent temperature control for each hole; heating power adjustable per hole.2. Control module uses PLC for robust and stable performance, with a 7-inch LCD touch screen.3. Optional external cooling water circulation device, enclosed cooling water automatic temperature reduction, and circulation reflux device for energy savings.4. Utilizes far-infrared ceramic heating devices for high heating efficiency, energy savings, excellent waterproofing, and resistance to acid and alkali corrosion.5. Heating power adjustable from 0-500W per channel, with independent control for each heating device and built-in gentle boiling mode.6. Heating countdown function, with adjustable time per channel, automatically stops heating when time is up.7. Independent rotor flow meters control nitrogen flow rate, adjustable per hole (20-2000 ml/min).8. Receiving flask bottom equipped with magnetic stirrer, stir speed adjustable per group with stepless speed control.9. Comes with butterfly clamps and titration stand for direct titration after experiment completion.SpecificationsModel: EJ-SJC-100RDisplay: 7-inch touch screenHeating Method: Far-infrared ceramic heating bowl (flameless heating, waterproof)Cooling Method: External chillerNitrogen Protection Function: Yes, main unit has a nitrogen main interface, nitrogen flow controllable per holeTemperature Control: 0-500W independent heating power adjustment per holeNumber of Distillation Units: 6 setsDistillation Flask Specification: 1000ml × 6 double-neck flasksDistillate Receiving Flask: 250ml × 6 conical flasksRated Power: 3200WRated Voltage: 220V/50HzDimensions (mm): 1200*486*730Leakage Protection Device: Yes more>

$8800

Category: Chemicals/Laboratory Reagents/Other Chemical Reagents

Company:

Product Description:       Beer yeast powder is prepared by drying beer yeast and is a high-quality single-cell protein. Research shows that refined beer yeast is rich in protein and B vitamins, with low levels of impurities such as ash and miscellaneous bacteria. Combined with corn starch, fish meal, milk powder, and other ingredients in a scientific formula, it forms a special feed with extremely high nutritional value, making it an excellent feed for aquaculture and animal husbandry. It is also used as a raw material in pharmaceutical production, widely applied in antibiotic factories to produce various drugs such as coenzyme A, riboflavin, and ergosterol.      Dried yeast has a protein content of up to about 55% and is rich in the eight essential amino acids for the human body, particularly lysine, which is relatively scarce in cereal proteins. Beer yeast is a by-product of beer production, containing abundant water-soluble vitamins, making it an excellent feed additive. The amino acid composition of beer yeast protein is close to the ideal amino acid profile recommended by the Food and Agriculture Organization (FAO) of the United Nations. Beer yeast is rich in vitamins, especially B vitamins. The ergosterol content in yeast ranges from 0.5% to 0.8%, nucleic acid content from 3% to 5%, and glutathione content from 0.5% to 0.9%. It also contains essential beneficial trace elements such as phosphorus, iron, calcium, magnesium, and zinc. Currently, it is used in fish feed formulations both domestically and internationally, but resources are limited.       Our company is one of the earliest large-scale enterprises producing feed beer yeast powder, aquaculture beer yeast powder, and edible beer yeast powder. The feed beer yeast powder, aquaculture beer yeast powder, and edible beer yeast powder produced by our company are sold nationwide, particularly in coastal regions. In recent years, with the expanding applications of beer yeast powder, our products have also been exported in large quantities to foreign countries.       The beer yeast powder produced by our company is suitable for:1. Feed production enterprises;2. Aquaculture and aquatic feed production enterprises;3. Pet breeding and pet feed production enterprises;4. Large-scale poultry and livestock breeding enterprises;5. Pharmaceutical, chemical, and bioengineering research, as well as health product production enterprises;6. Fertilizer production enterprises;7. Fermentation and brewing enterprises;8. Pigeon breeding feed factories;9. Bee breeding farms.       Our company is a specialized beer yeast powder manufacturer. The beer yeast powder we produce is of stable quality and competitively priced. Most importantly, in a market where yeast powder is often adulterated and of inconsistent quality, our beer yeast powder contains no additives, ensuring a pure product.        Adhering to the principle of "integrity in business and business with integrity," we are committed to serving our customers with a sincere attitude and high-quality products, ensuring that our clients can choose with confidence and use with peace of mind! more>

Negotiable

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: Palmary Chemical Co.,Ltd

Product Description: Since 2016, Palmary Chemical is a pioneering industrial biotechnology company with commercial-scale production and advanced technical research in long-chain dicarboxylic acids, especially undecanedioc acid and dodecanedioic acid. Palmary Chemical actively cooperates with colleagues and The Institute of Microbiology of the Chinese Academy of Sciences (IMCAS) to develop microbiological fermentation technologies. long-chain dibasic acids are mainly used for Nylon, polyesters, adhesives, perfume and bio-solvents.       advanced production technologies and efficient research team make light wax oil to be green and environmental protection biological-class raw material for recycling use.       We export long-chain dicarboxylic acids to the world such as Korea, Japan, Germany and USA, etc.       Currently, we offer five types of long chain dibasic acids:  • DC11 (Undecanedioic Acid)  • DC12 (Dodecanedioic Acid) • DC13 (Brassylic Acid, Tridecanedioic Acid) • DC14 (Tetradecanedioic Acid) • Mixture of Dibasic Acids (MixAcid MA1 & MA2)  more>

$3800

Category: Machinery & Equipment/Engineering & Construction Machinery/Other Engineering & Construction Machinery

Company:

Product Description: Product Advantages: The overall design can be divided into multiple layers, such as a three-layer design, with raw materials transported in the middle layer, by-products transported in the lower layer, and finished products after segmentation transported in the upper layer. The design is rational and user-friendly, which can---improve work efficiency.Segmentation Line Features: It includes a pre-segmentation system, a deboning and segmentation conveying system, a segmented meat weighing and packaging conveying system, and a turnover box conveying and cleaning system. The pre-segmentation system comprises a circular cutting saw, a conveyor belt, and a debris collection device, with the debris collection device located at the junction of the circular cutting saw and the conveyor belt. The deboning and segmentation conveying system includes conveyor belts, an operation workbench, and a box placement workbench. The conveyor belt features a three-layer structure. The workflow of the segmentation production line consists of four main parts: pre-segmentation, fine segmentation, turnover box cleaning and conveying, and packaging and conveying. more>

$28900

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company:

Product Description: I. Modes of Thawing EquipmentDuct air supply circulation structure, where the duct structure of the equipment is suspended, does not occupy floor space, and the equipment is simple and aesthetically pleasing. This structure is suitable for vertical air discharge, ideal for thawing hanging frozen products like quarter cuts.The air plenum circulation and distribution structure features horizontal air distribution, providing more detailed, uniform, and controllable air supply. The air plenum structure thawing equipment is open-type with no sanitary dead corners and can be cleaned with water. The equipment structure is simple and overall elegant.II. Composition of Thawing Machine Equipment: Insulated thawing chamber, air circulation system, heating and humidification system, refrigeration system, electrical control system.III. Related Issues of Thawing Equipment1. What products to thaw? We can design a solution for you.2. Shape of meat3. Thawing tonnage4. Is the thawing area size fixed, meaning the location for thawing cannot be changed, or do we calculate the space based on production output?5. Is there a heat source (steam), i.e., a boiler? more>

$5000

Category: Metallurgy & Minerals/Common Steel/Other Steel Products

Company:

Product Description: 09MnNiDR is a low-alloy high-strength steel plate specifically designed for low-temperature environments, offering excellent low-temperature toughness and welding properties. "09Mn" indicates that the steel plate contains approximately 0.9% manganese (Mn), "Ni" represents the presence of nickel (Ni), and "DR" refers to the double normalized state, ensuring the impact toughness of the steel plate.The application temperature range of 09MnNiDR steel plate is broad, generally suitable for extremely cold environments ranging from -70°C to -40°C. It is particularly ideal for manufacturing low-temperature pressure vessels, storage tanks, pipelines, and other equipment. Within this temperature range, the steel plate maintains sufficient strength and toughness, preventing brittle fractures caused by low temperatures.The low-temperature performance of the steel plate is primarily attributed to its chemical composition, especially the nickel content, which effectively lowers the cold brittleness transition temperature and enhances low-temperature impact toughness. Additionally, the heat treatment processes, such as normalizing and tempering, also significantly influence its low-temperature properties.In practical applications, 09MnNiDR steel plate is widely used in low-temperature storage and transportation equipment in industries such as petroleum, chemical, and natural gas, including LNG storage tanks, LPG storage tanks, and low-temperature pipelines. These devices require safe and stable operation in extremely cold environments, and the characteristics of 09MnNiDR steel plate make it an ideal choice for such applications.09MnNiDR12mm            25001090009MnNiDR12mm            25001090009MnNiDR12mm            25001090009MnNiDR12mm            25001090009MnNiDR12mm            25001060009MnNiDR12mm            25001090009MnNiDR12mm            250010600 more>

$5000

Category: Metallurgy & Minerals/Common Steel/Steel Rails

Company:

Product Description: 15CrMoR steel plate is a material with good heat resistance, hydrogen corrosion resistance, and high mechanical strength, widely used in industries such as petroleum, chemical, power plants, boilers, and pressure vessels. Its application temperature range primarily depends on the material's mechanical properties, corrosion resistance, and weldability.Mechanical Properties: 15CrMoR steel plate has high tensile strength, yield strength, and good elongation and reduction of area, enabling the material to maintain its superior mechanical properties even at high temperatures. Therefore, the application temperature range of 15CrMoR steel plate can reach relatively high levels.Corrosion Resistance: 15CrMoR steel plate exhibits good heat resistance and oxidation resistance, allowing it to resist oxidation and corrosion at elevated temperatures, ensuring the long-term stable operation of equipment. This gives 15CrMoR steel plate high application value in high-temperature corrosive environments.Weldability: 15CrMoR steel plate has good weldability, ensuring that the strength and toughness of welded joints meet requirements. In practical applications, depending on the welding process requirements, 15CrMoR steel plate can be used in various welded structures, thereby expanding its application temperature range.In summary, the application temperature range of 15CrMoR steel plate is relatively broad, and it can be used within a temperature range of -20°C to 575°C. In practical applications, based on specific design requirements and construction conditions, the rational selection of steel plate thickness, specifications, and welding processes can ensure the safety, reliability, and durability of the structure. It is important to note that in high-temperature environments, the application of 15CrMoR steel plate requires attention to changes in the material's mechanical properties, corrosion resistance, and weldability to ensure its safe operation under high-temperature conditions.15CrMoR60mm            25801000012.15215CrMoR60mm            25801100013.36715CrMoR60mm            2580990012.0315CrMoR60mm            25801090013.24515CrMoR60mm            25801000012.15215CrMoR60mm            25801100013.36715CrMoR60mm            25801010012.27315CrMoR60mm            25801090013.24515CrMoR60mm            25801000012.152 more>

$5000

Category: Others

Company:

Product Description: 12MnNiVR is a low-alloy high-strength steel plate, particularly suitable for manufacturing equipment that withstands high pressure and high temperatures. "12Mn" indicates that the steel plate contains approximately 1.2% manganese (Mn), "Ni" represents the presence of nickel (Ni), "V" refers to vanadium (V), and "R" typically denotes that this steel plate has undergone normalizing treatment to optimize its microstructure and enhance impact toughness.The addition of manganese and nickel improves the strength and toughness of the steel plate, while vanadium, as a trace alloying element, further enhances the strength and wear resistance of the steel by forming hard phases such as vanadium carbide. Normalizing treatment helps eliminate internal stresses, refine grain structure, and endow the steel plate with excellent overall mechanical properties.12MnNiVR steel plate is widely used in industries such as petroleum, chemical, power station boilers, and pressure vessels. It is especially suitable for manufacturing equipment components that need to withstand high pressure and temperature, such as reactors, heat exchangers, and boiler shells. Its good weldability and machinability make it an important material choice in these application fields.12MnNiVR12mm            22001075012MnNiVR12mm            22001000012MnNiVR12mm            22001000012MnNiVR12mm            22001000012MnNiVR16mm            25001150012MnNiVR16mm            25001160012MnNiVR16mm            25001160012MnNiVR14mm            25001160012MnNiVR12mm            250010600 more>

$4800

Category: Metallurgy & Minerals/Common Steel/Steel Rails

Company:

Product Description: 15CrMoR steel plate is a material with good heat resistance, hydrogen corrosion resistance, and high mechanical strength, widely used in industries such as petroleum, chemical, power plants, boilers, and pressure vessels. Its application temperature range mainly depends on the material's mechanical properties, corrosion resistance, and weldability.Mechanical Properties: 15CrMoR steel plate has high tensile strength, yield strength, and good elongation and reduction of area, which allows the material to maintain its superior mechanical properties even at high temperatures. Therefore, the application temperature range of 15CrMoR steel plate can reach relatively high levels.Corrosion Resistance: 15CrMoR steel plate has good heat resistance and oxidation resistance, enabling it to resist oxidation and corrosion at elevated temperatures, ensuring the long-term stable operation of equipment. This gives 15CrMoR steel plate high application value in high-temperature corrosive environments.Weldability: 15CrMoR steel plate has good weldability, ensuring that the strength and toughness of welded joints meet requirements. In practical applications, depending on the welding process requirements, 15CrMoR steel plate can be used in various welded structures, thereby expanding its application temperature range.In summary, the application temperature range of 15CrMoR steel plate is relatively broad, and it can be used within a temperature range of -20°C to 575°C. In practical applications, reasonable selection of steel plate thickness, specifications, and welding processes based on specific design requirements and construction conditions can ensure the safety, reliability, and durability of the structure. It is important to note that in high-temperature environments, the application of 15CrMoR steel plate requires attention to changes in the material's mechanical properties, corrosion resistance, and weldability to ensure its safe operation under high-temperature conditions.15CrMoR60mm            25801000012.15215CrMoR60mm            25701040012.58915CrMoR60mm            25701000012.10515CrMoR60mm            25701100013.31515CrMoR60mm            25701100013.31515CrMoR60mm            25701010012.22615CrMoR60mm            2570980011.86315CrMoR60mm            25701080013.07315CrMoR60mm            25701100013.315 more>

$4400

Category: Metallurgy & Minerals/Common Steel/Other Steel Products

Company:

Product Description: Q420qC is a high-strength structural steel plate for bridges, belonging to the low-alloy steel series. "Q" stands for yield strength, "420" indicates that the minimum yield strength of this steel plate is 420 MPa, "q" represents steel for bridges, and the "C" grade indicates that it has impact toughness at 0°C or lower temperatures.This steel plate undergoes strictly controlled chemical composition and heat treatment processes, offering excellent weldability, workability, and low-temperature impact performance. Q420qC steel plate is suitable for manufacturing bridge structures that bear heavy loads or operate under harsh environmental conditions, especially in applications requiring high strength and toughness.The production and inspection of Q420qC steel plate must comply with the requirements of the Chinese National Standard GB/T 714-2015 "Structural Steel for Bridges," ensuring its high performance and long service life in bridge construction. Its high strength and good low-temperature toughness make it an important material choice for bridge construction, particularly in critical structural components that demand high load-bearing capacity and durability.Q420qC12mm            2500104502.461Q420qC14mm            2000103002.264Q420qC14mm            2000103002.264Q420qC14mm            2000105002.308Q420qC14mm            2000103002.264Q420qC14mm            2000102002.242Q420qC14mm            2000102002.242Q420qC14mm            2000100002.198 more>

$4500

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company:

Product Description: There are certain differences in the welding performance between Q390C coiled plate and steel plate.Firstly, Q390C coiled plate is a high-strength low-alloy structural steel plate with good mechanical properties and welding performance. Its tensile yield strength, tensile strength, and impact performance are all relatively high, while its welding hardness is generally lower. Therefore, Q390C coiled plate maintains good plasticity and toughness during the welding process, resulting in relatively high welding quality.However, compared to Q390C coiled plate, the welding performance of steel plates may differ slightly. Due to the greater thickness of steel plates, larger welding currents and higher heat input are required to achieve good welding results. Additionally, due to the material and structural characteristics of steel plates, issues such as stress concentration and heat-affected zones may arise during welding, leading to unstable welding quality.In terms of welding methods, both Q390C coiled plate and steel plates can be welded using various techniques, such as arc welding, gas shielded welding, and laser welding. However, during the actual welding process, the method must be selected and adjusted based on product requirements and production conditions. For example, high-quality welding methods are necessary for mechanical parts or structural components that need to bear high loads. For large mechanical products or pressure vessels that are subjected to complex stresses, more advanced welding methods and processes are required.Furthermore, in terms of welding materials, both Q390C coiled plate and steel plates can be welded using a variety of materials. For instance, welding wires or electrodes matching the base material can be used. Alternatively, welding materials different from the base material can be employed, but compatibility with the base material and welding quality must be considered.In summary, there are certain differences in the welding performance between Q390C coiled plate and steel plates. Q390C coiled plate offers excellent mechanical properties and welding performance, making it suitable for manufacturing mechanical parts and structural components that need to withstand high loads. On the other hand, steel plates require appropriate welding methods and materials to ensure quality and stability. Selection and adjustment should be made based on specific product requirements and actual production conditions. more>

$4700

Category: Metallurgy & Minerals/Common Steel/Other Steel Products

Company:

Product Description: Q345qC steel plate is a low-alloy high-strength structural steel widely used in bridge construction. "Q" stands for yield strength, "345" indicates its minimum yield strength of 345 MPa, and "qC" signifies that the material has good weldability and impact toughness, as well as suitability for low-temperature impact performance at -20°C.Advantages of Q345qC Steel Plate in Bridge ConstructionHigh Strength: Q345qC steel plate has high yield strength, which can reduce the cross-sectional dimensions of bridge structures, thereby reducing self-weight and material usage.Good Toughness: This steel plate exhibits excellent toughness, effectively absorbing energy under impact or dynamic loads, reducing the risk of brittle fracture.Low-Temperature Impact Performance: Q345qC steel plate maintains good impact performance even at low temperatures of -20°C, making it suitable for bridge construction in cold regions.Excellent Weldability: Q345qC steel plate has superior weldability and can be joined using various welding methods, ensuring the quality and stability of welded joints.Corrosion Resistance: Low-alloy steel offers better corrosion resistance than ordinary carbon steel. After surface treatment, Q345qC steel plate has a long service life.Machinability: Q345qC steel plate has good machinability, allowing for easy cutting, drilling, cold bending, and other processes to meet the diverse needs of bridge structures.Cost-Effectiveness: Due to its high strength and lightweight design, Q345qC steel plate can reduce material and construction costs in bridge projects.Easy Maintenance: Maintenance of Q345qC steel plate is relatively simple. Regular inspections and upkeep ensure the long-term stable operation of bridges.Environmental Adaptability: Q345qC steel plate is suitable for various environmental conditions, including marine, industrial, and urban settings, with good weather resistance.Aesthetic Appeal: After surface treatment, Q345qC steel plate provides a pleasing appearance, enhancing the visual appeal of bridges.Application ExamplesQ345qC steel plate is used in various types of bridges, including:Suspension Bridges: Used as material for main cables and hangers, leveraging its high strength.Beam Bridges: Employed as material for main and secondary beams, reducing cross-sectional dimensions and improving load-bearing efficiency.Arch Bridges: Used in arch ribs and tie rods, taking advantage of its excellent bending resistance.Composite Bridges: Combined with other materials like concrete to form hybrid structures.These advantages make Q345qC steel plate an ideal choice for modern bridge construction, not only enhancing the safety and durability of bridges but also meeting economic and aesthetic requirements.Q345qC18mm            2500121004.274Q345qC18mm            2500122504.327Q345qC18mm            2500120504.257Q345qC24mm            2500105004.946Q345qC24mm            2500110005.181Q345qC24mm            2500111005.228Q345qC24mm            2500105004.946Q345qC12mm            2500108002.543 more>

$4700

Category: Metallurgy & Minerals/Common Steel/Other Steel Products

Company:

Product Description: Q390GJC high-rise building steel is a high-performance structural steel for construction, offering excellent mechanical properties, weldability, and corrosion resistance. In China's construction industry, Q390GJC high-rise building steel is widely used in the following major application areas:High-rise buildings: Q390GJC high-rise building steel can be used to construct structural frameworks for high-rise buildings, including key components such as columns, beams, and slabs. Due to its high strength and good toughness, Q390GJC high-rise building steel can withstand significant wind loads and seismic effects, enhancing the safety of buildings.Large public facilities: Q390GJC high-rise building steel is suitable for large public facilities such as airports, railway stations, and sports stadiums. These venues often need to handle large crowds and various loads, and the high strength and good toughness of Q390GJC high-rise building steel ensure the safety and stability of the facilities.Bridge engineering: Q390GJC high-rise building steel is widely used in bridge engineering, such as in key components like main beams, piers, and pile foundations. Bridge engineering imposes very high requirements on steel, as it must withstand enormous loads while also possessing excellent fatigue resistance. Q390GJC high-rise building steel meets these requirements perfectly.Construction machinery: Q390GJC high-rise building steel can be used to manufacture critical components of construction machinery, such as excavators, loaders, and tower cranes. These components require high strength, good toughness, and weldability to adapt to complex working conditions.Marine engineering: Marine engineering structures face harsh corrosive environments and significant loads, making the performance requirements for steel very high. With its excellent corrosion resistance and mechanical properties, Q390GJC high-rise building steel has broad application prospects in the field of marine engineering.Wind and nuclear power engineering: Key components in wind and nuclear power engineering, such as tower drums, foundation rings, and nuclear reactor pressure vessels, require high strength, good toughness, and weldability. Q390GJC high-rise building steel fully meets these requirements and is therefore widely used in wind and nuclear power engineering.Pressure vessels and heavy equipment: Q390GJC high-rise building steel can be used to manufacture various pressure vessels and heavy equipment, such as boilers, containers, and pipelines. These devices need to withstand high pressure, high temperature, and impact loads, and the high strength and good toughness of Q390GJC high-rise building steel are key to ensuring their safe operation.In summary, Q390GJC high-rise building steel has extensive applications in China's construction industry and other related fields, and its excellent performance provides reliable safety guarantees for various projects. In the future, as the demand for high-performance steel in the construction industry continues to grow, the market prospects for Q390GJC high-rise building steel will become even broader.Q390GJC6mm             2500123001.448Q390GJC6mm             2500117001.378Q390GJC6mm             2500120001.413Q390GJC6mm             2500120001.413Q390GJC6mm             2500120001.413Q390GJC6mm             2500115001.354Q390GJC6mm             2500107001.26 more>

$4200

Category: Metallurgy & Minerals/Common Steel/Other Steel Products

Company:

Product Description: Q345GJBZ25 steel plate is a high-strength low-alloy steel plate that complies with the standard GB/T19879-2015. It offers good mechanical properties and low-temperature resistance, making it widely used in engineering machinery manufacturing, building structures, shipbuilding, and other fields.The differences in the Z-grade of Q345GJBZ25 steel plate are mainly reflected in the following aspects:Resistance to lamellar tearing: The Z-grade determines the steel plate's resistance to lamellar tearing in the thickness direction. A higher Z-grade indicates better resistance to lamellar tearing. Q345GJBZ25 steel plate has a Z25 grade, meaning it exhibits good resistance to lamellar tearing in the thickness direction.Chemical composition: Steel plates with different Z-grades have certain differences in chemical composition. The chemical composition of Q345GJBZ25 steel plate mainly includes elements such as C, Si, Mn, P, S, Nb, V, and Ti. Variations in the proportions of these elements affect the mechanical properties and resistance to lamellar tearing of the steel plate.Mechanical properties: As the Z-grade increases, the mechanical properties of the steel plate vary. Q345GJBZ25 steel plate has specific requirements for mechanical performance indicators such as yield strength, tensile strength, and elongation. Steel plates with different Z-grades will differ in these performance indicators.Application fields: The Z-grade of Q345GJBZ25 steel plate also influences its application areas. Generally, steel plates with higher Z-grades are suitable for applications requiring high resistance to lamellar tearing, such as bridges, pressure vessels, and ship structural components. In contrast, steel plates with lower Z-grades are suitable for applications with relatively lower requirements for resistance to lamellar tearing, such as building structures and general machinery manufacturing.In summary, the Z-grade of Q345GJBZ25 steel plate is primarily reflected in its resistance to lamellar tearing, chemical composition, mechanical properties, and application fields. Steel plates with different Z-grades exhibit certain differences in these aspects. Therefore, when purchasing Q345GJBZ25 steel plate, it is necessary to select the appropriate Z-grade based on actual needs and application scenarios.Q345GJBZ256mm             2500118001.389Q345GJBZ256mm             2500117001.378Q345GJBZ256mm             2500118001.389Q345GJBZ256mm             2500118001.389Q345GJBZ256mm             2500119001.401Q345GJBZ256mm             2500116001.366Q345GJBZ256mm             2500118001.389 more>

$4800

Category: Metallurgy & Minerals/Common Steel/Steel Rails

Company:

Product Description: 14Cr1MoR steel plate is a low-alloy high-strength steel specifically designed for pressure vessels, offering the following advantages for pressure vessel applications:High-Temperature Performance: 14Cr1MoR steel plate contains chromium (Cr) and molybdenum (Mo) alloying elements, which enhance the material's strength and stability at high temperatures.Good Toughness: The addition of molybdenum increases the material's toughness, making 14Cr1MoR steel plate resistant to brittle fracture even under low temperatures or impact loads in pressure vessels.Excellent Corrosion Resistance: Chromium improves the steel plate's corrosion resistance, making it suitable for use in corrosive environments and extending the service life of pressure vessels.Heat Treatment Performance: 14Cr1MoR steel plate can achieve the required hardness and toughness through normalizing and tempering treatments, adapting to various working pressure and temperature requirements.Weldability: This material has good weldability and can be joined using various welding methods, ensuring the quality and stability of welded joints.Machinability: 14Cr1MoR steel plate offers good machinability, allowing for easy cutting, forming, and machining to meet diverse needs in pressure vessel manufacturing.Cost-Effectiveness: Compared to stainless steel or other high-alloy materials, 14Cr1MoR steel plate provides higher cost-effectiveness while maintaining excellent performance.Compliance with Standards: The production and inspection of 14Cr1MoR steel plate comply with the national standard GB/T 713-2014, ensuring material quality and consistency.Wide Range of Applications: Suitable for various high-temperature and high-pressure environments, such as petroleum, chemical, nuclear power, and power station boilers, as well as large equipment in contact with hydrogen or hydrogen-mixed media.Safety and Reliability: Through strict quality control and performance testing, the application of 14Cr1MoR steel plate in pressure vessels ensures high safety and reliability.Due to these advantages, 14Cr1MoR steel plate is an ideal choice for manufacturing pressure vessels and other high-temperature and high-pressure equipment.14Cr1MoR25mm            25001010014Cr1MoR25mm            25001020014Cr1MoR25mm            25001070014Cr1MoR25mm            25001010014Cr1MoR12mm            25001050014Cr1MoR12mm            25001150014Cr1MoR12mm            25001050014Cr1MoR12mm            25001145014Cr1MoR12mm            25001140014Cr1MoR12mm            25001000014Cr1MoR12mm            250011000 more>

Negotiable

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company:

Product Description: Beijing Huibo Times Technology Co., Ltd. Shanghai Branch is a professional chip-level repair company specializing in the maintenance of electronic control equipment and circuit boards in the industrial field. We provide professional after-sales KUKA KUKA Robot Teach Pendant KR30 SeriesRepair services.We have branches in Beijing, Shanghai, and Shenzhen, making it convenient for customers across the country to reach us promptly and solve maintenance challenges related to industrial electronic control equipment and circuit boards.We can repair various brands of servo drives, circuit boards, CNC systems, switching power supplies, NCUs, frequency converters, PLCs, touch screens, displays, industrial computers, controllers, testing equipment, measurement equipment, manipulators, robots, and more across various industries.KUKA KUKA Robot Teach Pendant KR30 SeriesCommon Repair Issues:No display, phase loss, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter errors, display but no output, module damage, error reports, etc.; black screen, distorted screen, unresponsive or slow response to touch screen (poor touch), content disorder, inability to access the system interface, no backlight, dim backlight, backlight but no characters, communication failure, unresponsive buttons;Huibo Repair National Contact Information:Beijing Headquarters: Room 403A, Building 3, Saidi International Industrial Park, No. 6 Kechuang 14th Street, Beijing Economic and Technological Development Zone (Yizhuang)Phone: 010-88459351/88459350Shanghai Branch: Room 401, No. 69 Xingda Road, Pujiang Town, Minhang District, ShanghaiPhone: 18800339138/021-54257837/54257867Shenzhen Branch: Room 313, No. 8 Shenshan Road (Longgang Section), Longdong Community, Baolong Street, Longgang District, ShenzhenPhone: 0755-84576463/84576481Our Company Repairs Teach Pendants, Teach Pendant Boxes, and Robot Brands:Yaskawa, Fanuc, Motoman, ABB, Cloos, Wemmen, KUKA, Fronius, Komatsu Machinery, Kawasaki, Hirata, Berger Lahr, ERC, IGM, OTC, Epson, Mitsubishi, MRC, Graco, Adept, Nachi, Comau, Sankyo, Stäubli, Reis, and more. more>