
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 :20Mn2 seamless steel pipe, selecting 20Mn2 seamless steel pipe, using 20Mn2 seamless steel pipe Update : 2025-12-01 View(s) : 230
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 :S235 straight seam welded steel pipe, straight seam steel pipe process, welded steel pipe performanc Update : 2025-11-28 View(s) : 247
EN10219, as the core standard for cold-formed welded hollow profiles for structural use in Europe, sets stringent requirements for the process performance testing of S235 straight seam welded steel pipes . From flattening tests to bending tests, from flaring tests to hydraulic tests, each te...

Keywords :SB407 nickel based seamless alloy steel pipe, seamless alloy steel pipe welding, alloy steel pipe Update : 2025-11-27 View(s) : 255
First, Chemical Composition and Suitability of ASME SB407 Nickel-Based Seamless Alloy Steel Pipe . ASME SB407 nickel-based seamless alloy steel pipe is primarily composed of Ni and Cr solid solutions, containing various alloying elements, and belongs to the NiCr-Pe high-temperature alloy catego...

Keywords :hot rolled seamless steel pipe, Q690E seamless steel pipe manufacturing, seamless steel pipe Update : 2025-11-26 View(s) : 251
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) : 261
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...