64 Inch Two-step SAWH Pipes

Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of 64 inch two-step sawh pipes in China, featured by quality products and low price. If you're going to wholesale durable 64 inch two-step sawh pipes made in China, welcome to get pricelist and free sample from our factory.

64" two-step SAWH pipes

Production line

This production line adopts the most advanced welding process technology, namely Two step production process. The pipes are firstly formed into a pipe body and continuous tack-welded at high speed. In the second process step the pipes are subsequently finally submerged arc welded and that gives a  higher quality weld compared with other SAWH production method. This process will eliminate the tensile stress of weld seam during pipe forming and submerged arc welding. It also effectively improves stability of the welded joints and productivities. These products are widely used in onshore oild and gas pipelines.

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