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Hebei Hairuimai Pipeline Equipment Co.,Limited

Add:Xufu East Road No.128, Yanshan County, Cangzhou City, Hebei Province, China

Tel:86-317-6399767, 6399769

Mobile:86-18232766969

Fax:86-317-6088896

Email:maxine@hrmpipefitting.com

Welded Steel Pipe

Welded Steel Pipe

welded steel pipe Welded steel pipe refers to steel pipe or steel plate bending deformation into a round, square and other shapes and then welded into the surface of the joints of the steel pipe, welded steel pipe used in the billet is steel or strip. Since the 1930s, with the rapid development...

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Product Description

It refers to steel pipe or steel plate bending deformation into a round, square and other shapes and then welded into the surface of the joints of the steel pipe, it used in the billet is steel or strip.

Since the 1930s, with the rapid development of high-quality strip continuous rolling production and the advancement of welding and inspection technologies, the quality of welds has been continuously improved, and the variety and specifications of welded steel pipes have been increasing, and they have been replaced in more and more fields. Steel pipe. It has lower cost and higher production efficiency than seamless steel pipe.

It contain corrosion in the acid environment when Ni is contained. In the environment containing sulfuric acid or hydrochloric acid, the higher the Ni content in the T-welded steel pipe, the stronger the corrosion resistance. Under normal circumstances, corrosion can be prevented by simply adding Cr to the T-welded steel pipe. Poor condition of the strip edge is another important cause of misalignment. The effects of mass flow, heat flux, and structural parameters (the ratio of the diameter of the spiral curvature and the diameter of the T-welded steel tube diameter Dc/D) on the saturated bubble boiling heat transfer coefficient in the vertical spiral tube. In the production, the wrong side occurs from time to time, and there are many influencing factors. In the production practice, the steel pipe is often degraded from the wrong side. Therefore, it is necessary to analyze the causes of the wrong side of the spiral steel pipe and the preventive measures.

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