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 :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 ...
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...
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...
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...
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...