
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) : 245
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 :Q500 straight seam welded steel pipe, Q500 welded steel pipe application, Q500 steel pipe production Update : 2025-06-13 View(s) : 320
As a high-strength low-alloy structural steel pipe, Q500 straight seam welded steel pipe has shown significant application value in bridge engineering, building structure, machinery manufacturing, and other fields in recent years. This steel pipe has gradually become an important choice to replace t...

Keywords :Q420QD straight seam welded steel pipe, straight seam steel pipe characteristics, welded steel pipe Update : 2025-06-12 View(s) : 260
Q420QD straight seam welded steel pipe is a high-strength low-alloy structural steel welded steel pipe, which is an important type of straight seam steel pipe. This steel pipe is widely used in bridge construction, engineering machinery, vehicle manufacturing, and other fields with its excellent...

Keywords :straight seam welded steel pipe, welded steel pipe proudction, welded steel pipe application Update : 2025-06-11 View(s) : 287
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) : 315
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...