Oil quenched from 830°C, 595°C (1100°F) temper, 50 mm round. Post oil quenched hardness 53 HRC surface, 46 HRC half-radius, 43 HRC center. Applications: automotive leaf springs. |
UNS G51601, ASTM A322, ASTM A331, ASTM A519, SAE J404, SAE J412, SAE J770 |