... :1/2"-56" Material:stainless,carbon Standard:ASME,BS,GOST,etc API,ISO,CE,etc pipe ... fittingsSize -- Seamless:from 1/2" to 24" ,Welded:from 24" to 96"( or as customer requirements)Angle -- ... SCH80., SCH100, SCH120, SCH140, SCH160, XXSStandard --ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 ... 20G,16Mn, DIN St37, St45.8, St52.4,St.35.8,St.35.8 ASTM A333 GR.6 ; API 5L GRB, ...