Material: KS D 3592 SWRCH20A Description: Standard Specification for Carbon Steel Wire Rods for Cold Heading and Cold Forging Group Name: Ferrous Mild Steel Alloys Sub Group: KS D 3592 SWRCH20A Carbon Steel Wire Rods for Cold Heading and Cold Forging Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: KS-KOREAN