1. Principles for acceptance of spiral steel pipes : The quality inspection and acceptance of spi...
With the continuous development of my country's economy, the country is vigorously developing the en...
Horizontal fixed welding of thick-walled stainless steel pipes : Stainless steel pipes are hollow l...
In pipeline engineering, flanges are mainly used for the connection of pipelines. In the pipelin...
With the development of the petroleum industry, pipeline transportation of oil and gas has developed...
Steel pipe anti-corrosion coating process 1: Using the shower coating method, the front, rear, a...
In the production process of submerged arc welded steel pipes , especially in high-speed welding,...
Depending on the purpose and pipe material, commonly used connection methods for the construction of...
1. Downslope forming method: Downslope shaping of welded steel pipe equipment can significantly ...
Polyethylene plastic- coated steel pipe is a steel-plastic composite pipe made by treating the st...
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