Oil quenched from 830°C, 650°C (1200°F) temper, 25 mm round. Post oil quenched hardness 59 HRC surface, 52 HRC half-radius, 50 HRC center. |
AFNOR 42 C 2 (Fr), AFNOR 45 C 2 (Fr), UNS G51500, ASTM A322, ASTM A331, ASTM A519, SAE J404, SAE J412, SAE J770, DIN 1.7006 |