Oil quenched from 830°C, 650°C (1200°F) temper, 13 mm round. Post oil quenched hardness 63 HRC surface, 62 HRC half-radius, 62 HRC center. Applications: automotive leaf springs. |
UNS G51601, ASTM A322, ASTM A331, ASTM A519, SAE J404, SAE J412, SAE J770 |