... sch160 5)API,ISO,CE,etc pipe fitting 90degree LR elbow carbon steel sizeSeamless:from 1/2" to 24"Welded ... JISB2312 JISB2313,BS, GB, ISOmaterialCarbon steel (ASTM A234WPB,A234WPC,A420WPL6, ect)Stainless steel(ASTM A403 WP304,304L,316, ... 316L,321,ect)Alloy steel(ASTM A234 WP12,WP11,WP22,WP5,WP9, ... inspection,Magentic particle inspection,etc pipe fitting 90degree LR elbow carbon steel