C20 high manganese low carbon steel. Welding performance is good. C20 has high strength and hardenability, cold deformation plasticity, when the weldability medium, C20 has good machinability

37CrS4 structural alloy steel is used for mechanical parts and all kinds of engineering components and contains one or several kinds of alloy element in steel,37CrS4 Alloy structural steel is widely used in ships

H400LA is a kind of High Strength Low Alloy Steel,H400LA widely used in auto parts, chassis, seat parts, building components, precision tube, furniture

H360LA is a kind of High Strength Low Alloy Steel,H360LA widely used in auto parts, chassis, seat parts, building components, precision tube, furniture.

H320LA is a kind of High Strength Low Alloy Steel,H320LA widely used in auto parts, chassis, seat parts, building components, precision tube, furniture