We have wide range of stock and various grade of welded steel pipe from different country origin such as China, Japan, Korea, Vietnam, Germany, Turkey, Ukraine, Argentina and etc. Stainless steel grade –201, 203, 304, 316, 321, 310, 439, 441, 940L etc. Steel grade -SS400, S355, 43A, 50B, A36, Q195, Q235, Q345, Q420 and etc. Welded pipe sizes We stock from normal sizes to customizes sizes Outside diameter - OD 508mm - OD 1420mm Wall thickness - WT 6.35mm - WT 120 mm Length - 1 Meter - 12.8 Meter Welded pipe type ERW - Electric resistance welded pipe LSAW - Longitudinal submerged arch welded pipe SSAW - Spiral submerged arch welding pipe Quality and international standards All our stock is premier quality and International Standards. All stock come with mill cert and heat number. ISO9008-2001, GB/T3091-2008, GB/T9711.1-1997, API5L and etc. certification