CF8M and CF3M are two different types of austenitic stainless steel with distinct differences between them. While they share similar mechanical properties such as tensile strength and elongation values, their chemical compositions set them apart from each other—with the major difference being the amount of chromium present within each …
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