Introduction of QL20Cr Cold Drawn Steel
QL20Cr is a kind of cold drawn steel, developed by Yanshan Iron & Steel Group Co., Ltd. The product grade of QL20Cr cold drawing steel is GB 15Cr. QL20Cr cold drawing steel is manufactured according to the national standard (GB/T8162-2008) - Technical Requirements for Quality Inspection of Cold Drawn Seamless Steel Tubes.
Basic Description
QL20Cr cold drawn steel is low-carbon alloy steel with a chromium content of 0.2-0.4%. It has higher strength than that of Q235 steel, but lower than Q345 steel. QL20Cr steel has the advantages of excellent toughness, uniform texture, low thermal expansion coefficient and low elastic modulus. It has good ductility and wear resistance.
Applications
QL20Cr cold drawn steel is mainly used in the manufacture of various parts and components of automobiles, light trucks, mining and construction machinery, agricultural machinery, and power transmission components. It is also used in the manufacture of parts and components for aircraft engines, power plants, cranes, water turbines, and other mechanical components. In addition, the product is also widely used in the manufacture of seamless pipes, cold-drawn steel wires and various cold-rolled materials.
Advantages
1. Uniform texture: Through the processes of annealing, wire drawing and cutting, QL20Cr obtains a uniform microstructure and specifically designed mechanical properties.
2. High wear resistance: QL20Cr has excellent wear resistance, good wear and tear resistance, and can effectively reduce the production cost of machinery.
3. Excellent toughness: QL20Cr has excellent toughness and good ductility, making it an ideal material for the production of cold-drawn steel pipes, wires and other cold-rolled materials.
4. Low thermal expansion coefficient: Due to its low thermal expansion coefficient, it has a longer life and better corrosion resistance in hot working conditions.
Conclusion
QL20Cr is an excellent choice for the production of cold-drawn steel pipes and wires. Its advanced metallurgical technology, uniform texture and excellent toughness make it an ideal choice for cold-rolled materials and mechanical components.