This standard is issued under the fixed name A351 / A351M.

The specifications mentioned in this standard include cast austenitic steel for use in valves, flanges, fittings and other pressurized parts.

Pressurized parts for carbon steel casting are covered in standard A216 / A216M, low alloy steel casting parts in standard A217 / A217M and two-phase stainless steel casting parts are covered in standard A995 / A995M.