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