Specification:O.D:219~2020mm,W.T:5~16mm,Length:12m ... Q195, Q215, Q235, Q345, X52, X60 STK500, or per the buyers demand. 2) Standards: ASTM, ASME, ANSI,JIS,DIN, ... 11.8m or 12m, or per the buyers demandCangZhouTianYi Co., Ltd. Is one of the leading manufactures of welded steel seamless pipe ... which was founded in 1999. We always put the quality as the first consideration. If you have any requirement of ...