... ,SNCM220; SACM645USA Standard:SAE4140,SAE4130,SAE9840,SAE4340,AISI4145H,SAE4150,SAE8620,European Standard:42CrMo4,25CrMo4,34CrNiMo6,39CrNiMo3,17NiCrMo6,18CrNiMo7-6,S355J2G3,ASTM ... .5%75-100+0.9, -1.8+0.7, -1.7100-150+1.0%, -2.0%+0.8%, -1.8% 2013 High Quality Round bar