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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: 410116

Phone:0086-731-8873-9521  

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Seamless Pipe

Cold Drawn vs. Hot Rolled Seamless Pipe: Surface Finish and Dimensional Accuracy

Keywords :Seamless Pipe        Update : 2026-06-05        View(s) : 14

The manufacturing process is a critical determinant of seamless steel pipe performance, directly influencing surface quality and dimensional accuracy. While both hot rolling and cold drawing produce weld-free pipes, their distinct processing methods yield different engineering characteristics. ...

 Square Steel Tubing

Structural Load Capacity of Square Steel Tubing

Keywords : Square Steel Tubing        Update : 2026-06-04        View(s) : 28

Square steel tubing is essential for construction and fabrication, but selecting the wrong size or grade can cause structural failure. Understanding load capacity is critical for safety and cost-efficiency.  1. Load capacity depends on several interacting variables: 2....

EN 10219 vs ASTM A500 steel structures

EN 10219 vs ASTM A500: How to interchange European and American standard cold-formed hollow steel se

Keywords :EN 10219 vs ASTM A500 steel structures        Update : 2026-06-03        View(s) : 39

In modern international construction, projects often involve cross-border material procurement, making steel standard compatibility a critical issue for safety and efficiency. Among the most widely used specifications for cold-formed hollow steel sections are the European standard EN 10219...

high-frequency welding low-frequency welding

High-frequency welding vs. low-frequency welding: They look the same, so why must we be wary of pote

Keywords :high-frequency welding low-frequency welding        Update : 2026-06-02        View(s) : 39

In modern industrial pipeline systems, welded steel pipes are essential for transporting high-pressure fluids like oil, natural gas, and chemical media. Among the common manufacturing methods, high-frequency welding (HFW) and low-frequency welding (LFW) may appear nearly identical ex...

alloy tube P5, P11, P22, and P91

Chromium-molybdenum alloy tube selection guide: At what temperature should P5, P11, P22, and P91 be

Keywords :alloy tube P5, P11, P22, and P91         Update : 2026-06-01        View(s) : 52

In modern power generation, oil refining, and petrochemical processing, equipment frequently faces extreme high-temperature and high-pressure conditions. Ordinary carbon steel cannot maintain stability in these environments, making chromium-molybdenum (Cr-Mo) alloy steel essential. Cr-Mo...

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