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The production process of Casing pipe in plant is generally: Steel ingot heating → hydraulic punching → reheating → extension → periodic rolling → reheating → sizing → cooling → straightening → pipe ...

ERW Casing, generally low-carbon microalloyed steel (coil) rolled by TMCP process, is formed and continuously welded into tubes by high-frequency resistance welding (ERW), with excellent technology an...

According to the manufacturing method, the steel pipe can be pided into two categories: seamless steel pipe and welded seam steel pipe. Among them, ERW steel pipe is the main variety of welded steel p...

Cold drawn erw pipe, which is one of the best choices for the production of multi-stage hydraulic cylinders. Its process is the same as that of precision seamless pipe cold drawing. It is precision dr...

SSAW steel pipe definition: It is made by winding a low carbon carbon structural steel or low alloy structural steel strip into a blank according to a certain helix angle (called forming angle), and t...

Spiral steel pipe (SSAW steel pipe) is a spiral seam steel pipe made of strip steel coils as raw materials, often extruded and formed by automatic double-wire double-sided submerged arc welding. The s...