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 ...
Technical requirements for straight seam welded pipes : The technical requirements and inspecti...
After the oil casing adopts this heat treatment method, it can effectively improve the impact to...
The most commonly used connection method for large-diameter spiral steel pipes is welding, but i...
(1) Spraying (throwing) rust removal is driven by a high-power motor to rotate the spraying (throwin...
Oil casing is a high-end product produced by steel pipes. There are many types of oil casings, a...
The anti-corrosion layers of steel pipelines that are widely used in China include petroleum asp...
Austenitic stainless steel pipe : Austenitic stainless steel pipe generally belongs to corrosion-...
The machinability of stainless steel is much worse than that of medium carbon steel. Taking the mach...
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