Size: 1/2"24" Type:XS SGP STD SCH80 Criteria :ASTM A234 WPB ANSI B16.9,JISB2311 2312,DIN2605 2617,ISO9002 More info of the carbon steel concentric reducers, please contact Criteria :ASTM A234 WPB ANSI B16.9,JISB2311 2312,DIN2605 2617,ISO9002 More info of the carbon steel concentric reducers, please contact