Material: ASTM A731 29-4-2 Description: Standard Specification for Castings, Seamless and Welded Ferritic Stainless Steel Pipe Group Name: Ferrous Stainless Steel Alloys Sub Group: ASTM A731/ A731M Seamless and Welded Ferritic Stainless Steel Pipe Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: AS-AUSTRALIA