... SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISOMaterial --Carbon steel --ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20#,A3, Q235A, 20G ... GR.6 ; API 5L GRB, X60, X65, X42,X52, ectStainless Steel --ASTM A403 WP304,304L,316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10,00Cr17Ni14Mo2, etcAlloy ... as the requirement of customerEquipment bending PACKING: ISO 9001 seamless stainless steel tube u bend (supplier)