1.Size:1/2"-42" 2.Type:Concentric reducer,eccentric reducer. 3.Standard:ANSI,DIN,JIS,BS,UNI 1.Material:Carbon steel ASTM A234 WPB,ST37.0,Q235A,20#,16Mn,etc2.Size:1/2"-42"3.Type:Concentric reducer,eccentric reducer.4.Standard:ANSI,DIN,JIS,BS,UNI5.End:Butt-weld6.Wall thickness:SCH5-SCH160 and others you required. Concentric Reducer
