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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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straight seam welded steel pipe, welded steel pipe proudction, welded steel pipe application

Characteristics, production, and application of straight seam welded steel pipes for bridges in brid

Keywords :straight seam welded steel pipe, welded steel pipe proudction, welded steel pipe application        Update : 2025-06-11        View(s) : 120

As a key material in modern bridge construction, the performance and quality of straight seam welded steel pipes for bridges directly affect the safety, durability, and economy of bridges. With the rapid development of my country's transportation infrastructure construction, the application scope of...

stainless steel pipe welding, stainless steel pipe oxidation, stainless steel pipe machining

How to prevent back oxidation during stainless steel pipe welding

Keywords :stainless steel pipe welding, stainless steel pipe oxidation, stainless steel pipe machining        Update : 2025-06-10        View(s) : 132

1. Details of stainless steel pipe welding When welding stainless steel pipes in petrochemical construction, the weld surface and heat-affected zone are prone to oxidation and discoloration. To ensure the corrosion resistance of stainless steel, the weld is pickled and passivated after welding...

steel tee, seamless steel tee, seamless steel tee make

How to make seamless steel pipe tees

Keywords :steel tee, seamless steel tee, seamless steel tee make        Update : 2025-06-05        View(s) : 200

Seamless steel pipe tees are usually made by hydraulic bulging and hot pressing. Hydraulic bulging is a forming process that expands the branch pipe through the axial compensation of metal materials. The process is to use a special hydraulic press to inject liquid into the tube blank with the sa...

X60Q straight seam steel pipe, API 5L straight seam steel pipe, welded steel pipe surface

The surface of API 5L X60Q straight seam steel pipe is smooth and defect-free

Keywords :X60Q straight seam steel pipe, API 5L straight seam steel pipe, welded steel pipe surface        Update : 2025-06-04        View(s) : 264

API 5L X60Q straight seam steel pipe , as a high-quality steel pipe produced in accordance with the American Petroleum Institute standard API 5L, has shown excellent performance and reliability in the transportation fields of oil, natural gas, etc. with its smooth and defect-free surface. In...

Q620ME straight seam welded steel pipe, Q620ME welded steel pipe, straight seam steel pipe productio

Production process and performance of Q620ME straight seam welded steel pipe commonly used in indust

Keywords :Q620ME straight seam welded steel pipe, Q620ME welded steel pipe, straight seam steel pipe productio        Update : 2025-05-29        View(s) : 226

Q620ME straight seam welded steel pipe is a high-strength, high-performance steel pipe product widely used in oil, natural gas, chemical industry, electricity, construction, and other fields. Its excellent mechanical properties and welding properties make it an indispensable and important materi...

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