Carbon spring steel wire has good elasticity, toughness and tensile strength, excellent corrosion resistance, corrosion resistance is stronger than stainless steel wire, heat resistance is more than other materials, corrosion resistance can reach 800MPa, impact resistance is stronger than stainless steel wire, impact resistance can reach 1000MPa, tensile strength can reach 1400MPa, Tensile strength can reach 1900MPa, good wear resistance, easy to weld, can use fusion welding, electric fusion welding and other welding processes, smooth surface, no burrs and burrs, good sealing performance, superior tensile performance, high tensile strength, high elastic recovery rate, can resist harsh environment, with excellent heat resistance, good corrosion resistance, impact resistance and high strength characteristics.