15CrMoR container steel plate main performance indicators and application advantages

15CrMoR is a low-alloy high-strength steel plate used for pressure vessels, widely applied in fields such as petroleum, chemical industry, and power station boilers. "15" indicates a carbon content of approximately 0.15%, "CrMo" denotes the presence of chromium (Cr) and molybdenum (Mo) alloying elements, and "R" signifies that the material is suitable for pressure vessels.

Application Advantages

1. High-Temperature Performance: 15CrMoR steel plate exhibits excellent high-temperature strength and oxidation resistance, making it suitable for high-temperature environments.

2. Corrosion Resistance: The addition of chromium enhances the material's corrosion resistance, making it ideal for use in corrosive media.

3. High Strength: Through heat treatment, 15CrMoR steel plate can achieve high yield strength and tensile strength.

4. Good Toughness: The addition of molybdenum improves the material's toughness, reducing the risk of brittle fracture.

5. Weldability: 15CrMoR steel plate has good weldability and is suitable for various welding processes.

6. Heat Treatment Performance: Material properties can be optimized through heat treatment processes such as normalizing, quenching, and tempering.

7. Cost-Effectiveness: Compared to stainless steel or other high-alloy steels, 15CrMoR offers better cost-effectiveness while maintaining excellent performance.

8. Machinability: 15CrMoR steel plate has good machinability, allowing for processes such as cutting, bending, and rolling.

Key Performance Indicators

1. Chemical Composition: Carbon (C) content is approximately 0.12%-0.18%, chromium (Cr) content is about 0.40%-0.70%, and molybdenum (Mo) content is around 0.45%-0.60%.

2. Yield Strength: According to standards, the minimum yield strength of 15CrMoR steel plate ranges from 220-295 MPa.

3. Tensile Strength: Tensile strength typically ranges from 440-620 MPa.

4. Elongation: Under standard thickness, elongation is generally no less than 19%.

5. Impact Absorbed Energy: At 0°C, the impact absorbed energy is typically no less than 34J.

6. Hardness: Hardness values vary depending on the heat treatment state, generally ranging between 150-220 HBW.

7. High-Temperature Performance: 15CrMoR steel plate exhibits excellent high-temperature endurance strength and creep strength.

8. Heat Treatment: It is typically delivered in normalized + impact or normalized + tempered conditions to ensure material performance.

Application Areas

15CrMoR steel plate is widely used in:

• Pressure vessels, reactors, and heat exchangers in the petrochemical industry.
• High-temperature components of power station boilers.
• High-temperature pipelines and valves.
• High-temperature and high-pressure components in shipbuilding.

Summary

15CrMoR steel plate offers significant advantages in pressure vessel and high-temperature applications due to its high-temperature performance, corrosion resistance, high strength, and good machinability. Through precise chemical composition control and heat treatment processes, 15CrMoR steel plate maintains its performance in various high-temperature and high-pressure environments.