... Product DescriptionMaterial:SteelColor:SilverShape:RectangleForged Ship Block With Hole Housing And Hub Forged Tube Sheet Pump ModulesDescription ... standard flanges, wind power flanges, gear rims, wind power main shafts, etc. Which are extensively applied in Industries of ... EN, etc. According to customers' different requirements. (7). Main material are CK45, AISI 4140&4130, 5CrMnMo, 40Cr, 42CrMo, ...