A forged valve body is produced by forging and machining solid steel. The key specifications for cast steel valves body materials are ASTM A216 (WCA, WCB, WCC), ASTM A352 LCB/LCC (low-temperature), and ASTM A351 CF8/CF8M. ASTM A105, A350 and A182 cover body materials for small size (or high pressure) forged valves.
ASTM A351/A351M, 2018 Edition, May 1, 2018 - Standard Specification for Castings, Austenitic, for Pressure-Containing Parts. This specification 2 covers austenitic steel castings for valves, flanges, fittings, and other pressure-containing parts (Note 1). NOTE 1—Carbon steel castings for pressure-containing parts are covered by …
ASTM A351 CF8M. Austenitic stainless steel classified for Castings, Austenitic, for Pressure-Containing Parts. UNS# J92900 A. As with CF3M, the first character (C) means the alloy is intended for "Corrosion Resistant" service. The second character (F) is the
ASTM A351-2018. : 600. : Designation: A351/A351M − 18Standard Specif i cation forCastings, Austenitic, for Pressure-Containing Parts 1This standard is issued under the f i xed designation A351/A351M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision