
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 :spiral steel pipe, straight seam steel pipe, welded steel pipe characteristics Update : 2025-12-25 View(s) : 156
Spiral welded steel pipes and straight seam welded steel pipes have different technical characteristics and production processes, resulting in many differences in their manufacturing, functions, and applications, and thus different values in use. Let's first make a simple comparison of the techn...

Keywords :Q700L high strength welded steel pipe, Q700L welded steel pipe production, Q700L steel pipe usage Update : 2025-12-22 View(s) : 214
First, Material Characteristics of Q 700L High-Strength Welded Steel Pipes . Q700L belongs to low-alloy high-strength structural steel. In its naming, "Q" represents yield strength, "700" indicates a minimum yield strength of 700MPa, and "L" refers to low-temperature toughness. This steel achi...

Keywords :Q890D seamless steel pipe, Q890D seamless steel pipe characteristics, Q890D steel pipe usage Update : 2025-12-19 View(s) : 196
Q890D seamless steel pipe , as a high-strength low-alloy structural steel material, is widely used in engineering machinery, mining equipment, bridge construction, and other fields. With its excellent mechanical and weldability properties, this steel pipe has become one of the preferred materials...

Keywords :spiral steel pipe, spiral welded steel pipe crack, spiral welded steel pipe transverse Update : 2025-12-16 View(s) : 239
Firstly, it may be due to the stress on the spiral submerged arc welded steel pipe , including residual stress after pipe forming and welding stress. Secondly, it may be due to the presence of hydrogen. This could be caused by insufficient flux drying, inadequate preheating temperature, or l...

Keywords :seamless steel pipe quality requirement, seamless steel pipe usages, seamless steel pipe Update : 2025-12-15 View(s) : 169
1. Chemical Composition of Seamless Steel Pipes : The chemical composition of steel is one of the most important factors affecting the performance of seamless steel pipes, and it is also the main basis for formulating rolling process parameters and heat treatment process parameters for steel pipe...