Material: JIS G 3539 SWRCH 12K 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 12K Carbon Steel Wire Rods for Cold Heading and Cold Forging Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: JIS-JAPAN