
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 :flange, blind flange, flange application Update : 2025-12-02 View(s) : 232
As we all know, pipes are usually connected by some kind of fitting, which we call a " flange ". However, in real life, many of us are not clear about the difference between a flange and a blind flange, and often confuse them. The differences between a flange and a blind flange are explained in de...

Keywords :20Mn2 seamless steel pipe, selecting 20Mn2 seamless steel pipe, using 20Mn2 seamless steel pipe Update : 2025-12-01 View(s) : 174
Why are 20Mn2 seamless steel pipes both loved and hated? 20Mn2 seamless steel pipe is a "backbone material" in fields such as machinery manufacturing and hydraulic equipment. Many engineers have mixed feelings about it—they love its high strength and wear resistance, but worry about the pitfalls...

Keywords :hot rolled seamless steel pipe, Q690E seamless steel pipe manufacturing, seamless steel pipe Update : 2025-11-26 View(s) : 198
Q690E hot-rolled seamless steel pipe is a high-strength, low-alloy structural steel material. Due to its excellent mechanical and weldability properties, it is widely used in heavy industries such as engineering machinery, coal mine hydraulic supports, shipbuilding, and bridge construction. As a...

Keywords :Q345DG seamless steel pipe, 16MnDG seamless steel pipe, low temperature seamless steel pipe Update : 2025-11-24 View(s) : 203
First, the chemical composition of Q345DG and 16MnDG low-temperature seamless steel pipes differs. 1. Basic composition of Q345DG low-temperature seamless steel pipe: Carbon ≤0.18%, Silicon 0.20-0.60%, Manganese 1.00-1.60%, Phosphorus ≤0.030%, Sulfur ≤0.030%. Alloying elements: Trace amounts...

Keywords :Q460C seamless steel pipe, high strength seamless steel pipe, Q460C steel pipe welding Update : 2025-11-19 View(s) : 174
High-strength Q460C seamless steel pipes , as an important engineering material, occupy a vital position in industries such as construction, machinery, energy, and transportation due to their excellent mechanical properties and wide range of applications. Q460C is a low-alloy high-strength struct...