Threeway Steel, an external gateway of Shinestar Holdings Group Co.,ltd, is taking charge of exporting steel products under our group.
Threeway is a professional steel products manufacturer.We produce Piling pipe, Api 5l steel pipe, Seamless Steel Pipe, LSAW steel pipe, SSAW steel pipe according to your requirements.
Threeway Steel is known as a professional supplier engaged in designing, manufacturing and distribution wide range of steel pipes, like seamless steel pipe, ERW steel pipe, LSAW steel pipe.
Steel Pipe we produced conforms to international standards such as: ASTM, JIS, BS, EN, GOST, AWWA, DIN, UNI.

Firstly, it may be due to the stress on the spiral submerged arc welded steel pipe , including residual stress after pipe forming and welding stress. Se...

1. Chemical Composition of Seamless Steel Pipes : The chemical composition of steel is one of the most important factors affecting the performance of seamles...

First, Boiler Steel Tube Production Methods Boiler steel tubes are a type of seamless steel tube. The manufacturing method is the same as for seamless ste...

Galvanized steel pipes , as an important building material, are widely used in the construction and industrial fields. 424 galvanized steel pipe is one type,...

As a new type of steel pipe, epoxy-coated steel pipes are gaining increasing attention in the market due to their excellent performance and wide range of ap...

(1) During extrusion, the temperature of the inner lining of the spiral welded steel pipe continuously increases with the extrusion process. At the end of e...