... C45,40Cr etcalloy steel:42CrMo,35CrMo,9cr2V, 42CrMo4,70Mn and so on2. description: 1Diameter200-2000mm2Weight1-30Ton3PackingBarrel with wooden ... DeliveryconditionHot forged+Normalizing+Rough Machined+heat treatment(quenching and tempering)+Finish Machined6 StandardDIN,ANSI/ASME,BS,GB, ... ,oil extraction,mining,chemical industry, hydraulic pressure products, port and shipping driving machines etc. shaft