1,connecting flange 2,min OD around 150mm 3,weight ... sight 5.FOB : Shanghai 1. Product infoMaterial20CrMn,42CrMo,20#,45#etcCurrent customerEDCAST INTERNATIONAL INC(Canada). ShangHai Power Station auxiliary ... steel type of 15#,20#,25#,30#.35#,40#,45#,46#,etc.according to customers' different requirements.3,main ... processing on giving materials. 5, excellent heat treatment. 4130 connecting flange