The product is double-faced submerged-arc welded pipes. Now the diameter of our product is from ¦Õ219mm to ¦Õ3500mm and wall thickness is from 6mm to 28mm. Our product comply with the standard of SY/T5037-2000, GB/T9711.1£¦GB/T9711.2 and API SPEC 5L PSL-1£¦API SPEC 5L PSL-2, the material can be Q235A/B,Q345B, L245£¬L360 and X42-X80 grade plate. The products are widely used in the long-distance transmitting pipelines of natural gas, petroleum, chemical industry, power, heat power and water source etc.
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