Alloy Steel Pipe OD:6-720MM WT:0.5-120MM Length:3-16M Application:Petroleum, Chemical Engineering, Electricity, Bolier Standard:ASTM A335/A335M, ASTM A213/213M, DIN17175-79, JIS3467-88,GB5310-95 Material:P5,T5,P11,P12,STFA22, P22, T91, T9,WB36 Stainless Steel Pipe Seamless Pipes：O.D.6-630mm W.T.0.5-100mm L max 24000mm Welded Pipes：O.D.6-300mm W.T0.5-66mm ASTM/ASME：A213/SA213 A249/SA249 A268 A312/SA312 A269 A270 A358 A376 A409 A511 A688 A789 A790 A803 A928 A544 A409 A632 A688 A778 A908 SB161 SB163 SB167 SB338 SB407 SB423 SB444 SB619 SB622 SB626 SB668 SB677 SB829 JIS：G3459 G3446 G3447 G3448 G3459 G3463 G3468 DIN：17455 17456 17457 17458 17459 2391 2462 EN：10216-5 10217-7 GOST9941　GOST9940 NFA NACE API　 ISO HAF Materials:304/304L/304H;321/321H;316/316L/316H;316TI;317L;347H;310S;UNS31803;UNS32750/U NS08904L,TP410/TP410S;ECT Delivery condition: Normal annealing+Tempered;Brighting annealing;BK;Pickled;