... 2"-24",24"-96" 3.Qalification:ISO9001,API ansi b16.9 short radius elbow sizeSeamless:from 1/2" to 24" ... SCH40, SCH60, XS, SCH80., SCH100, SCH120, SCH140, SCH160, XXSstandardASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 ... steel(ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91,ect)qualificationISO9001 API CEapplicationPetroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction, ...