Yearly Archives: 2022

The seamless steel pipe is passed through the billet saw section of the steel mill, and then heated in the ring furnace-perforated-sizing-straightened-cooled-saw head-packaged into a qualified finishe...

China's implementation standards for seamless steel tubes: Seamless steel pipe for structure (GB/T8162-2008) is a seamless steel pipe used for general structure and mechanical structure. Seamle...

ASTM standards are widely used in Seamless steel pipe, like the API 5L/5CT, ASTM A106, ASTM A53: 1. ASTM American Standard seamless pipe chemical composition analysis Instrument analysis and chemical...

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...

Spiral steel pipes (SSAW pipe) and straight seam steel pipes (ERW/LSAW pipe) are currently widely used in water pipelines, construction and other industries, but there is a big difference between the ...