
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 :Q420QE Longitudinal Welded Steel Pipe, Q420QE welded steel pipe, welded steel pipe application Update : 2025-09-28 View(s) : 187
First, Material Characteristics of Q420QE Longitudinal Welded Steel Pipe . The core advantage of Q420QE longitudinal welded steel pipe lies in its excellent balance of strength and toughness. Q420 indicates a yield strength of 420 MPa, making it a high-strength, low-alloy structural steel. The ...

Keywords :Q235B welded steel pipe production, Q235B welded steel pipe characterstics, Q235B welded steel pipe Update : 2025-09-24 View(s) : 119
First, an analysis of the material properties of Q235B longitudinally welded steel pipe. Q235B is a carbon structural steel, a common grade in China's GB/T700 standard. Its chemical composition is carbon ≤ 0.20%, silicon ≤ 0.35%, and manganese ≤ 0.35%-0.80%. Phosphorus and sulfur contents are ...

Keywords :25MnG boiler steel pipe, high pressure seamless steel pipe, boiler seamless steel pipe Update : 2025-09-23 View(s) : 151
First, the Standard Definition and Scope of Application of 25MnG High-Pressure Boiler Steel Pipes GB/T5310-2023 is a national standard for seamless steel pipes for high-pressure boilers and above. This standard specifically applies to: - Key components of high-pressure and ultra-high-pressur...

Keywords :seamless steel pipe, petroleum cracking seamless steel pipe, seamless steel pipe analysis Update : 2025-09-16 View(s) : 1
First, the Standard's Positioning and Implementation Background for Seamless Steel Pipes for Petroleum Cracking GB/T 9948-2025 is my country's new national standard for seamless steel pipes for petroleum cracking units, which will officially come into effect on January 1, 2026. This standard i...

Keywords :X65M Longitudinal Welded Steel Pipe, X65M welded steel pipe characteristics, welded steel pipe Update : 2025-09-15 View(s) : 250
X65M longitudinally welded steel pipe is a high-strength pipeline steel widely used in long-distance oil and natural gas pipeline projects. It offers excellent mechanical properties, weldability, and corrosion resistance. With the growing global demand for energy, X65M longitudinally welded stee...