Standard | API 5L, ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296, BS 6323, BS 6363, BS EN10219, GB/T 3091-2001, GB/T 13793-1992, GB/T9711 |
Wall thickness | 1mm--12mm,or as your requiests |
Outer diameter | 20mm--508mm,or as your requests |
Length | Length:Single random length/Double random length 5m-14m,5.8m,6m,10m-12m,12m or as customer's actual requests |
Surface treatment | 1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement |