Material: SAE 1021 Description: Standard Specification For Carbon Steel Compositions For Forging To Hot-Rolled And Cold- Finished Bending and Flaring Group Name: Ferrous Mild Steel Alloys Sub Group: SAE 1021 Carbon Steel Compositions For Forging To Hot-Rolled And Cold-Finished Bending and Flaring Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: SAE-USA