... 1/2"-24",24"-96" 3.Qalification:ISO9001,API,CE astm stainless steel elbow 180 degree sizeSeamless:from 1/2" to ... , 3D,4D,5D,6D,7D-40D.thicknessSCH10,SCH20,SCH30,STD SCH40, SCH60, XS, SCH80., SCH100, SCH120, SCH140, SCH160, XXSstandardASME B16. ... DIN2615 DIN2616 DIN2617 JISB2311 JISB2312 JISB2313materialCarbon steel(ASTM A234WPB,,A234WPC,A420WPL6.,ect)Stainless steel(ASTM A403 WP304,304L,316,316L,321., ...