... /2"-56" Material:stainless,carbon Standard:ASME,BS,GOST,etc API,ISO,CE,etc pipe fittingsSize -- Seamless:from 1/2" to 24" ,Welded ... , SCH60, XS, SCH80., SCH100, SCH120, SCH140, SCH160, XXSStandard --ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 ... , papermaking, construction, etcSpecial design available as the requirement of customer] seamless pipe fittings SCH40