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Causes and preventive measures of single-sided undercut of submerged arc welded steel pipes

Causes and preventive measures of single-sided undercut of submerged arc welded steel pipes

Keywords :Causes and preventive measures of single-sided undercut of submerged arc welded steel pipes        Update : 2023-10-09        View(s) : 557

In the production process of submerged arc welded steel pipes , especially in high-speed welding, undercut has become the main defect in the production process of spiral submerged arc welded steel pipes. The defect of undercut mainly has the following surface forms: single unilateral undercut, si...

Large diameter straight seam submerged arc welded steel pipe manufacturing technology

Large diameter straight seam submerged arc welded steel pipe manufacturing technology

Keywords :Large diameter straight seam submerged arc welded steel pipe manufacturing technology        Update : 2023-10-08        View(s) : 643

Large-diameter straight-slit submerged arc steel pipes are mainly responsible for the pipeline transportation of marine and onshore oil and gas, petroleum and natural gas, coal and mineral pulp, and other media. They are especially suitable for the "West-East Gas Transmission" project currently ...

8 commonly used connection methods for the construction of steel pipes

8 commonly used connection methods for the construction of steel pipes

Keywords :8 commonly used connection methods for the construction of steel pipes        Update : 2023-10-07        View(s) : 636

Depending on the purpose and pipe material, commonly used connection methods for the construction of steel pipes include threaded connection, flange connection, welding, groove connection (clamp connection), ferrule connection, compression connection, hot melt connection, socket connection, etc. ...

How to improve the quality of spiral steel pipes

How to improve the quality of spiral steel pipes

Keywords :How to improve the quality of spiral steel pipes        Update : 2023-09-28        View(s) : 596

Spiral steel pipes protect the important materials in media transportation. Spiral steel pipes are the outer wall anti-corrosion of steel oil, gas, water, and heating pipelines. To what extent can the durability of spiral steel pipes be improved? The durability of spiral steel pipes has become a...

Forming process of thin-walled welded steel pipe

Forming process of thin-walled welded steel pipe

Keywords :Forming process of thin-walled welded steel pipe        Update : 2023-09-27        View(s) : 570

1. Downslope forming method: Downslope shaping of welded steel pipe equipment can significantly reduce edge extension. 2. Increase the middle extension of the billet: During the forming process, the reduction of the opening pattern increases, making the gap between the upper and lower rolle...

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