Alloy Steel:
Chinese Standad: 16Mn, 20Mn, 30Mn2, 30Mn5, 40Cr, Q345D, Q345E,
Q390; 42CrMo, 20CrMo, 38CrMoAl, 40CrNiMo; 48CrMo, 5CrNiMo;
Janpan Standard: SCM415, SCM420, SCM440, SNCM439, SNCM220; SACM645
USA Standard: SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150,
SAE8620,
Europe Standard: 42CrMo4, 25CrMo4, 34CrNiMo6, 39CrNiMo3, 17NiCrMo6,
18CrNiMo7-6, S355J2G3, ASTM A105, ST52-3, 16MnCr5, 20MnCr5, 16MnCrS5,
20MnCrS5, 21CrMoV511, 56NiCrMoV7, 18NiCrMo5, 30CrNiMo8,
34NiCrMo16, 41CrAlNi7, 34CrAlNi7, B7, B16, F11, F12, F22, F5, F9, 51Cr4.