... 2mm-60mm .Type: weld2.OD: 3"--24"3.WT: 2--60mm4.Length: 5.8--18m5.Standard: API 5L/5CT, ... , X42, X46, X52, X56, X60, X65, X70. GR.2, GR.3. Q235B, Q345B, etc.7.Pipes' ends: plain ... construction, water conveying, steel structure, shipbuilding.....13.Package: small sizes in bundled packed by steel strips , and big ... .Others: as per costomer's requirement HF ERW small size straight welded carbon steel pipe