a) Standard: GB/T14975-2002,GB/T14976-2002,GB13296-2007,GB9948-2006,GB5310-95 ASTM A312, ASTM A213,ASTM A269,ASTM A511 ASTM A789,ASTM A790 JIS 3463, JIS 3459, DIN 2462,DIN17458,DIN17456 b) Grade:200series&300series&400series(304/304L/321/321H/310S/347H/ 2205/316/ 316L/316Ti/317L/TP410 /TP420) c) Outer Diameter(OD): 4mm-1219mm d) Wall Thickness(WT): 0.5mm-50mm(Schedule5S, Schedule10S, Schedule40S, Schedule 80S, Schedule160S) e) Length: 18m max or as demand f) Surface finish: Polishing(180#, 220#, 240#, 320#, 400#, 600#), Hairline, aid pickling, etc g) Manufacture technology: cold drawn By Wooden Boxes