Dry Powder Wire Drawing Lubricant

Dry Powder Wire Drawing Lubricant (General Purpose) Instructions

Dry powder wire drawing lubricant is a composite material formed by directly reacting boron-based extreme pressure agents during the production of sodium oleate. It contains no sulfur or phosphorus elements, significantly reducing harm to the human body and the environment. This product reacts with metal friction surfaces to form a metallic compound film with a high melting point and low shear strength, thereby enhancing the lubricant's performance under high temperature and pressure during metal wire drawing. It is widely used in the dry drawing of various wires, providing lubrication and cleaning the surface of steel wires. It is easily soluble in water, simple to remove, offers high lubrication performance, and leaves a rust-preventive film on the steel wire surface. After drawing, the steel wire surface can be easily cleaned very thoroughly for electroplating or copper plating.

This general-purpose product contains 80% water-soluble sodium soap-based composite material.

Packaging Specification: 20kg/bag

Product Features and Applications:

1. Low Carbon Steel Wire

For low carbon steel wire pre-treated by mechanical descaling or pickling, calcium soap lubricants with low to medium fat content are generally recommended. If the steel wire surface needs to be very clean after drawing for electroplating or copper plating, water-soluble sodium soap products should be used at least in the final passes.

2. High Carbon Steel Wire

The drawing of high carbon steel wire can be divided into three pre-treatment processes:

First: Pickling plus coating (lime coating, borax coating, coating)

Second: Pickling plus phosphate treatment plus coating (lime coating, borax coating, coating)

Third: Mechanical descaling plus continuous (online) coating (borax coating, coating)

For the above three cases, calcium soap products with medium to high fat content must be used. The use of pressure dies is also an important factor affecting lubricant selection. Once the drawing machinery is determined, the drawing speed is an additional factor in deciding the combination of calcium and sodium soaps; for example, calcium soap is more commonly used in high-speed drawing processes. For phosphate-coated steel wires, high-fat calcium soap products with abundant fillers generally yield better results and can adjust the final color of the steel wire.

3. Drawing and Rust Prevention of Stainless Steel Wire

This sodium soap product enhances stability in high-temperature and high-pressure environments; the coating has been updated to protect alloys and enhance rust prevention for iron-containing alloys; polymer-synthesized lubricants can protect the steel wire during compression ratio deformation. Sodium oleate based on vegetable oleic acid can be used for multi-pass drawing of austenitic steel wires. This product is most suitable for drawing processes that require a bright and clean steel wire surface.

4. For Rubber-Bonded Metal Drawing

For high-speed tire steel wire drawing, sodium soap lubricant products containing fillers are best. Both the soap and coating must have good cleaning capabilities, with minimal residue after heat treatment. Industry trends show that pickling in pre-treatment processes is shifting towards mechanical descaling, so selecting the appropriate soap is crucial for achieving the best product quality.

5. For Prestressed Steel Wire and Strand

For prestressed steel wire and strand, combinations of soaps are often used. These products offer high heat resistance and good adhesion, resulting in uniform color and minimal residue after stabilization treatment. Water tank wire drawing lubricants and water direct cooling drawing processes are recommended.

6. For Prestressed Steel Bars

High-fat calcium soap products are typically used for drawing prestressed steel bars. This product not only enables high-speed drawing of prestressed steel bars but also prevents unpleasant odors during post-drawing heat treatment.

7. For Welding Wire

In the pre-coating of CO2 gas-shielded welding wire, sodium-calcium composite materials based on this product, free of sulfur and phosphorus, can be used as needed. In the drawing process, strongly adhesive calcium soap is generally used in the initial passes, and sodium soap in the later passes. This general-purpose product, a sodium-calcium composite, is suitable for all passes. For wet drawing in water tanks, general-purpose water tank wire drawing lubricants can be selected.

8. For Flux-Cored Wire

Lubricants for flux-cored wire drawing are often divided into those for rough drawing and fine drawing. Rough drawing lubricants require strong adhesion, while fine drawing lubricants should leave the steel wire surface very clean after drawing. Since the surface quality of flux-cored wire affects welding conductivity, spatter size, and nozzle life, the lubricant determines the wire's surface quality.

9. Other Applications

Cold heading wire can be treated with mechanical descaling or phosphate coating. After mechanical descaling, it is necessary to use calcium soap products combined with sodium soap products to clean the steel wire and extend die life. After annealing, metal soap products containing MoS2 fillers can be used to help extend equipment life in subsequent cold heading processes.

After phosphate treatment and soap coating, commonly used in small deformation drawing of steel wires, sodium soap products directly yield clean steel wires and reduce dust pollution.

Oil-quenched steel wire is high-quality high carbon steel wire with an appropriate crystal structure after annealing. Its fine surface oxide layer requires calcium soap products with high adhesion and performance. Adding a certain amount of extrusion additives to the soap is usually essential.

Special rope wire requires high-fat soap products. This high-tension steel wire is mostly drawn at high speeds. In the initial passes, inexpensive calcium soap lubricants should be used for better adhesion, followed by sodium soap products with additives until the final pass of the drawing equipment. Due to high tension and high-speed drawing, all parts of the machinery operate at very high temperatures, so the lubricant must have high softening and melting points.

Redrawing of galvanized steel wire is generally divided into redrawing of large-diameter galvanized steel wire and small-diameter steel wire. For redrawing large-diameter galvanized steel wire, high-fat calcium soap products are recommended, while high-fat sodium soap products are more suitable for drawing small-diameter galvanized steel wire.

Peeled steel wire has no oxide layer or decarburization and has a smoother surface than any other type of steel wire. In multi-pass drawing, the lubricant should "wrap" the steel wire surface to draw it thinner.

Lubricant products for drawing welded mesh (also known as road mesh) steel wire need to address two issues: sufficient lubrication and ensuring the drawn steel wire does not easily detach during welding. Medium-fat, low-cost calcium soap products are recommended.