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welded steel pipe

2017-03-29 08:52:08   COMMENT:0 HITS:
  Using SY / T5037-2000 oil and gas industry standards and GB / T9711.1-1997, GB / T9711.2-1997 national oil and gas industry standard production diameter 159 - 2420 mm wall thickness of 3.5 - 25mm between the various steel grades Double-sided submerged arc welded steel pipe and diameter 57-630mm, wall thickness between 3-16mm straight seam welded steel pipe and can be customized 426-3000mm between the large diameter thick-walled welded steel pipe, Material: Q235, Q345,10 #, 20 #, 16Mn, 27Sin, L245, L290, L360, X42, X52, X60, X65, X70, X80,etc. For the convenience of our customers on behalf of our customers in the local processing steel corrosion, steel pipe insulation, pipe-side flange welding business.

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