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Square Steel Pipe

Square Steel Pipe

The product is double-faced submerged-arc welded pipes. Now the diameter of our product is from φ219mm to φ3500mm 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 prod

Xinrisheng is a China manufacturer of square steel pipe, square hollow sections, rectangular hollow sections and spiral steel pipe. For so many years, our company put the customer first, establishes pre-sale, on sale and after sale service standard, welcome to contact us.



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