... : Chinese Standard:16Mn,20Mn,30Mn2,30Mn5,40Cr,Q345D,Q345E,Q390;42CrMo,20CrMo,38CrMoAl,40CrNiMo;48CrMo,5CrNiMo;Japanese Standard:SCM415,SCM420,SCM440 ... Standard:SAE4140,SAE4130,SAE9840,SAE4340,AISI4145H,SAE4150,SAE8620,European Standard:42CrMo4,25CrMo4,34CrNiMo6,39CrNiMo3,17NiCrMo6,18CrNiMo7-6,S355J2G3,ASTM A105,ST52 ... -150+1.0%, -2.0%+0.8%, -1.8% 2013 High Quality Round bar