Large Diameter Thick Wall Seamless Steel Pipe


Large diameter thick wall seamless steel pipe is made of ingot or solid round steel through perforation to make wool tube, and then made by hot rolling. Large caliber thick wall seamless steel pipe is mainly based on the external caliber of its steel pipe, the general outer diameter of 325 mm or more are called large caliber steel pipe, the general wall thickness of more than 20 mm can be.

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