Material: JIS G 3539 SWRCH 18A Description: Standard Specification for Carbon Steel Wire Rods for Cold Heading and Cold Forging Group Name: Ferrous Mild Steel Alloys Sub Group: JIS G 3539 SWRCH 18A Carbon Steel Wire Rods for Cold Heading and Cold Forging Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: JIS-JAPAN