ASTM A351
CF3MA, CF8M, CF3MN, CG3M, CF10, CF10M, CG8M, CD4MCu 1900 1040 CF10SMnN, CF8C, CF10MC 1950 1065 CD3MWCuN 2010 1100 CN7M, CG6MMN, CE8MN 2050 1120 CK3MCuN, CN3MN, CH8, CH10, CH20, CK20 2100 1150 CE20NA 2225 1220 AGrade shall be quenched in water or the castings may be furnace cooled to 2050°F [1120°C] …