Material: JIS SUM 31 Description: Standard Specification For Carbon Steel Compositions For Forging To Hot-Rolled And Cold- Finished Steel Group Name: Ferrous Mild Steel Alloys Sub Group: JIS SUM 31 Carbon Steel Compositions For Forging To Hot-Rolled And Cold-Finished Steel Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: JIS-JAPAN