Analysis of the main causes of the quality decline of steel bending pipe and methods of attentio...
China's steel-plastic composite steel pipes have not been developed for a long time, and there is st...
First of all, it may be due to the stress of spiral submerged arc welded steel pipes . That is, t...
Large-diameter thick-walled seamless steel pipes are made from steel ingots or solid tube blanks...
High-frequency welding management properties: normal temperature mechanical properties, high-tempera...
Anti-corrosion steel pipes are metal bodies buried underground. However, due to the environment,...
Large-diameter thick-walled seamless steel pipes are made of steel ingots or solid tube blanks t...
The pressure ratio of the spiral steel pipe on the gas pipeline also tends to decrease gradually...
Technical requirements for straight seam welded pipes : The technical requirements and inspecti...
The most commonly used connection method for large-diameter spiral steel pipes is welding, but i...
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