... ,SAE4150,SAE8620,Europe Standard:42CrMo4,25CrMo4,34CrNiMo6,39CrNiMo3,17NiCrMo6,18CrNiMo7-6,S355J2G3,ASTM A105,ST52-3,16MnCr5,20MnCr5,16MnCrS5,20MnCrS5,21CrMoV511,56NiCrMoV7 ... /+8mm; RT diameter tolerance:-0/+3 mmGrain size: as per ASTM E112-96 Grade 5 or finer for normalized/annealed/QT ... conditionNon-metal inclusion: as per ASTM E45 A/B/C/D heavy ≤2, thin ≤2.5Quantity ...