Normalized at 925°C (1700°F) in 32 mm rounds, machined to 13.7 mm rounds, pseudocarburized at 925°C (1700°F) for 8hrs., box cooled to RT, reheated to 775°C (1430°F), oil quenched, 150°C (300°F) temper. Tested in 12.8 mm rounds. |
SAE J404, SAE J412, SAE J791, UNS G46200, AMS 6294, ASTM A322, ASTM A331, ASTM A505, ASTM A535, MIL SPEC MIL-S-7493 (A4620) |