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.
Most merchants did not use the straight seam steel pipe soon after purchasing it. So is there anything we need to pay attention to in the storage of straigh...
1. The premise must be polished The galvanized layer of the weld must be polished away, otherwise air bubbles, trachoma, false welding, etc. will occur. It wi...
1. The uneven thickness of the spiral wall is caused by the uneven rolling centerline of the piercing machine, the unequal inclination of the two rolls, or the ...
1. The spiral steel pipe packaging should be able to avoid looseness and damage during normal handling, transportation, and storage. 2. If the buyer has speci...
At present, the welding methods of stainless steel welded pipes used in the industry mainly include argon arc welding, high-frequency welding, plasma welding, a...
1. Hot push expansion method: push expansion equipment is simple, low cost, convenient maintenance, economical and durable, and flexible product specifications....