... SH 3408, SH3410Size1/2'' ~ 48''(Seamless); 16'' ~96''(welded); DN15-DN1200Wall thicknessSch10SCH20,SCH30,STD,SCH40 ... reducerCarbon steelASTM A234 WPB, WPC,ASTM A105 WPB;ASTM A106 reducer;ASTM A350,DIN St37.0, St45.8, ... St52.4,St.35.8/IAPI 5L GR.B, X42,ASTM A860,ASTM A694,ASTM ... WP12, A234 WP11, A234 WP22, A234 WP5,ASTM A335 P5, P9, P11, P12, P22, P91ASTM ...