
Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521

Keywords :large diameter straight seam steel pipe, large diameter welded steel pipe, welded seel pipe Update : 2026-03-05 View(s) : 144
Large-diameter straight seam submerged arc welded steel pipes are mainly used for pipeline transportation of marine and onshore oil and gas, petroleum and natural gas, coal and ore slurries, etc. They are particularly suitable for my country's ongoing "West-East Gas Pipeline" project and can als...

Keywords :anti corrosion steel pipe, anti corrosion steel pipe advantages, anti corrosion steel pipe usage Update : 2026-03-02 View(s) : 160
Anti-corrosion steel pipes are metal bodies buried underground. However, due to the environment in which they are used, even with careful construction, ordinary steel pipes are prone to aging and damage. To extend the lifespan of steel pipes, an anti-corrosion layer must be applied to their oute...

Keywords :seamless steel pipe fitting, steel pipe fitting design, seamless steel pipe machining Update : 2026-02-28 View(s) : 188
First, the Core Principles of Seamless Steel Pipe Fitting Tooling Design. Precise Positioning Principle: Complex seamless steel pipe fittings (such as bends, reducers, and branched pipes) often have spatial curved surface structures. The tooling needs to achieve six-point positioning. Through ...

Keywords :large diameter steel pipe, large diameter steel pipe welding, large diameter steel pipe misalignment Update : 2026-02-25 View(s) : 216
First, the causes of misalignment in large-diameter steel pipes : 1. The nominal outer diameter of large-diameter steel pipes has an allowable positive and negative deviation in the specifications at the time of manufacture. When the positive deviation meets the negative deviation, the total de...

Keywords :straight seam steel pipe, welded steel pipe advantages, welded steel pipe characteristics Update : 2026-02-24 View(s) : 168
First, what are the characteristics of submerged arc welded straight seam steel pipes ? Submerged arc welded straight seam steel pipes are made by pre-bending and cold-bending steel plates into a U-shape, and then welding the two sides together using submerged arc welding. Compared with o...