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.
The API standard stipulates that the inner and outer surfaces of the import and export oil casing shall not have folds, separations, cracks, and scars. Thes...
The installation method of stainless steel pipe fittings is the same as that of ordinary carbon steel pipe fittings, but there are some special requirements...
1. Impact toughness of large-diameter steel pipe : The load acting on the machine part at a high speed is called impact load, and the ability of the metal to...
If the large-diameter spiral steel pipe is processed to a certain length, there must be bending, which is a phenomenon and situation that is often encounter...
Pre-welding of straight seam steel pipes : pre-welding includes seams and welds. 1. The joint (that is, the forming seam) has no misalignment or the misali...
There are two main differences between oil casing and oil drill pipe: 1. Different uses; 2. Different materials. Oil casing is a steel pipe used to suppor...