Normalized 925°C (1700°F) in 32mm rounds, machined to 25 mm rounds, pseudocarburized at 925°C (1700°F) for 8 h., box cooled to RT, reheated to 730°C (1350°F), oil quenched, 150°C (300°F) temper, machined and tested in 12.8mm rounds. Post oil quenched hardness: 43 HRC-surface, 39 HRC-half radius, 37HRC-center |
UNS H48200, ASTM A304, SAE J1268, low carbon steels |