... 2).weingt: 6T or less 3).material:various types of c standard: according to customer drawing to producemaximum length:9000mm 1 ... ,bearing steel,stainless steel,etc.4).use for wind power generation,nuclear power generation,ship,pressure vessels,petrochemical,machinery manufacturing,aviation and ... upon request. alloy steel frorged shaft 42CrMo max length 9 meter