... /ANSI B16.9, ANSI/ASME B16.11, ANSI/ASME B16.5; JIS B2311,JIS B2312,JIS B2313,JIS B2316;MSS SP ... reducer, stainless steel reducer, alloy steel reducerCarbon steelASTM A234 WPB, WPC,ASTM A105 WPB;ASTM A106 reducer;ASTM A350,DIN St37.0, St45 ... A182 F 304, 304L,316, 316L,321, 904LAlloy steelASTM A234 WP12, A234 WP11, A234 WP22, A234 WP5,ASTM A335 P5, P9, P11, P12, P22 ...