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.

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...

High-pressure seamless steel pipes are actually high-pressure boiler steel pipes. Because they are commonly used in high-temperature, high-pressure boilers,...

(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...

There are three connection methods for galvanized steel pipes : 1. Grooving Connection (1) Grooving Weld Cracking: ① Grind the weld bead on the inner w...

The processing methods of 3PE anti-corrosion steel pipes are generally divided into two types: spiral wound and circular mold coating. Both consist of a thr...