
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 :Q345 spiral steel pipe performance, Q345 spiral steel pipe uses, Q345 spiral steel pipe application Update : 2025-09-29 View(s) : 437
Spiral steel pipe , as an important steel product, is widely used in the oil, gas, water conservancy, power generation, and manufacturing industries. Q345 spiral steel pipe, in particular, has attracted considerable attention for its excellent performance and diverse applications. Made prima...

Keywords :Q420QE Longitudinal Welded Steel Pipe, Q420QE welded steel pipe, welded steel pipe application Update : 2025-09-28 View(s) : 536
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) : 450
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) : 387
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...