1. From the surface of the spiral steel pipe , you can see whether the production process of the ...
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...
1. Production method: Stainless steel welded pipes are divided into two categories: seamless pip...
After a series of treatments such as forming, welding, and cooling, the spiral steel pipe still ...
After the oil casing adopts this heat treatment method, it can effectively improve the impact to...
(1) Spraying (throwing) rust removal is driven by a high-power motor to rotate the spraying (throwin...
The anti-corrosion layers of steel pipelines that are widely used in China include petroleum asp...
The machinability of stainless steel is much worse than that of medium carbon steel. Taking the mach...
Commonly used steel pipe introduction - spiral submerged arc welded steel pipe The strip steel i...
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