
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) : 306
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 :TP304 seamless stainless steel pipe, seamless steel pipe manufacturing, stainless steel pipe Update : 2025-09-26 View(s) : 305
TP304 seamless stainless steel pipe details. 1. Chemical composition of TP304 seamless stainless steel pipe: Carbon: ≤0.08, Silicon: ≤1.0, Manganese: ≤2.0, Phosphorus: ≤0.035, Sulfur: ≤0.030, Nickel: 8.0-11.00, Chromium: 18.00-20.00. 2. Common specifications of TP304 seamless stainless steel...

Keywords :high frequency welded steel pipe, welded steel pipe defect, welded steel pipe preventive Update : 2025-09-25 View(s) : 308
First, an Overview of the High-Frequency Welding Process for Steel Pipe Production In high-frequency welding, a steel strip is fed into a forming machine, where it is formed into a cylindrical billet and passed through an induction coil. The magnetic field near the induction coil generates an indu...

Keywords :Q235B welded steel pipe production, Q235B welded steel pipe characterstics, Q235B welded steel pipe Update : 2025-09-24 View(s) : 209
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) : 214
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...