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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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Q690QD straight seam welded pipe, welded steel pipe, Q690QD steel pipe production

Details of the characteristics, production, and application of Q690QD straight seam welded pipe

Keywords :Q690QD straight seam welded pipe, welded steel pipe, Q690QD steel pipe production        Update : 2025-06-16        View(s) : 181

Q690QD straight seam welded steel pipe is a high-strength low-alloy structural steel pipe, that is widely used in bridges, buildings, machinery manufacturing, ships, petrochemicals, and other fields. Its excellent mechanical properties and welding properties make it an indispensable material in ...

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) : 220

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) : 258

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) : 317

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) : 373

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...

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