At present, the commonly used methods for welding steel pipes are electrode arc welding (SMAW), ...
High-frequency welding management properties: normal temperature mechanical properties, high-tempera...
1. From the surface of the spiral steel pipe , you can see whether the production process of the ...
Anti-corrosion steel pipes are metal bodies buried underground. However, due to the environment,...
Oil casing is a steel pipe used to support the well wall of oil and gas wells to ensure the regu...
1. The angle steel and channel steel should be stacked in the open air, that is, the mouth should fa...
Large-diameter thick-walled seamless steel pipes are made of steel ingots or solid tube blanks t...
1. Production method: Stainless steel welded pipes are divided into two categories: seamless pip...
The pressure ratio of the spiral steel pipe on the gas pipeline also tends to decrease gradually...
After a series of treatments such as forming, welding, and cooling, the spiral steel pipe still ...
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