Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

Q235B spiral steel pipe


 
 
Q235B spiral steel pipe details:
Q235B spiral steel pipe is made of steel coiled coil as raw material, which is often heated and extruded, and welded by automatic double-wire double-sided submerged arc welding process. Raw materials are strip coils, welding wire, flux. Strict physical and chemical testing is required before input. The strip head and tail are butt jointed, and the single wire or double wire submerged arc welding is used, and the automatic submerged arc welding is used after the steel pipe is rolled.
Q235B spiral steel pipe commonly used standards are generally divided into: SY/T5037-2000 (partial standard, also known as ordinary fluid transmission pipeline with spiral submerged arc welded steel pipe GB/T9711.1-1997 (national standard, also called oil and gas industrial conveying steel pipe delivery Technical Conditions Part I: Class A steel pipes (to the stringent GB/T9711.2 Class B steel pipes)), API-5L (American Petroleum Institute, also called pipeline steel pipes; which are divided into two grades of PSL1 and PSL2), SY/ T5040-92 (spiral submerged arc welded steel pipe for pile)

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