concentric carbon steel reducer 1.Standard: BS,ANSI,JIS,DIN,ASME 2.Size:1/4''-48'' 3.carbon/stainless/alloy/aluminum steel Description of Reducer:Production NameA234 WPB concentric Butt-Welding carbon steel reducer,Pipe Fittings Size13.7mm-1219.2mm (1/4''-48''),DN8-DN1200WTSCH5S-XXSStandardANSI B16.9, ANSI B16.28, DIN 2605, ISO3419,DIN EN10253,JIS B2312, JIS B2313, MSS SP-25, MSS SP-75, BS1387Raw ...