Reducers (concentric and eccentric) Wall Thickness: SCH10-SCHXXS Reducers:Forming ... A234 WPB, ST37.2 etc Typeconcentric reducer,eccentric reducer,carbon steel reducer,stainless steel reducer,alloy steel reducer. Size1/2"-48"(DN15-DN1200) Wall ... ASTM A234 WPB, WPC,ASTM A105 WPB;ASTM A106 reducer;ASTM A350,DIN St37.0, St45.8, St52.4 ... ,St.35.8/I.API 5L GR.B, X42,ASTM A860,ASTM A694,ASTM ...