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 ...
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...
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