Material: ASTM A217 Grade CA15 Description: Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure‐ Containing Parts, Suitable for High‐Temperature Service Group Name: Ferrous Stainless Steel Alloys Sub Group: ASTM A217 / A217M Steel Castings, Martensitic Stainless and Alloy, for Pressure‐Containing Parts, Suitable for High‐Temperature Service Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Grade Standard: AS-AUSTRALIA