Normalized 925°C (1700°F) in 32mm rounds, machined to 25 mm rounds, pseudocarburized at 925°C (1700°F) for 8 h., oil quenched, 150°C (300°F) temper, machined and tested in 12.8mm rounds.43 HRC-surface, 39 HRC-half radius, 37 HRC-center. |
SAE 770, low carbon steels, UNS G48200, ASTM A322, ASTM A331, ASTM A505, ASTM A519, ASTM A535, SAE J404, SAE J414, |