big size carbon steel elbow SIZE: 1/2'' TO 96'' Pressure: SCH5-SCH160 ... Certificate: ISO, API,CE The Description of big size carbon steel elbowsizeSeamless:from 1/2" to 24"Welded:from ... -75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISOmaterialCarbon steel(ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20#,A3 ... , Q235A, 20G,16Mn, ect)Stainless steel(ASTM A403 WP304,304L,316,316L,321. 1Cr18Ni9Ti, ...