Oil quenched from 830°C, 540°C temper, 50 mm round. Post oil quenched hardness 55 HRC surface, 44 HRC half-radius, 40 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 |