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Because the multi-wire submerged arc welding of longitudinally welded pipes has the characteristics of large undercooling and fast welding speed, the equilibrium state is basically eliminated. If the ...

Welding heat-affected zone（HAZ) is different from welding seam. Welding seam guarantees performance requirements through chemical composition adjustment, redistribution and proper welding process, whi...

The production process of straight seam steel pipes is relatively simple, and the main content of the production process is high-frequency welded straight seam steel pipes (ERW) and submerged arc weld...

The difference between carbon steel seamless pipe and stainless steel seamless pipe mainly refers to the difference in design rules between stainless steel and carbon steel, which means that the desig...

"Ordering" is the beginning of cooperation between the supplier and the buyer. In order for the buyer to obtain steel pipes that meet the requirements for use, and for the supplier to produce steel pi...

ERW Pipe Meaning: ERW is the abbreviation of Electric Resistance Welding. The ERW pipe often referred to in the steel pipe industry refers to electric resistance welded pipe. The ERW welded pipe p...