
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 :galvanized steel pipe, galvanized steel pipe corrosion, galvanized steel pipe machining Update : 2026-03-06 View(s) : 1
Corrosion prevention for welded galvanized steel pipes : After surface treatment, apply thermal spray zinc. If on-site galvanizing is not possible, on-site corrosion prevention methods can be used: apply epoxy zinc-rich primer, epoxy micaceous iron oxide intermediate paint, and polyurethane topco...

Keywords :large diameter straight seam steel pipe, large diameter welded steel pipe, welded seel pipe Update : 2026-03-05 View(s) : 40
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) : 43
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) : 79
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) : 62
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...