Alloy Steel Spiral Pipe
TAG：Anti-corrosion Spiral Steel Pipe Spiral Pipe for Water Transportation Spiral Pipe for Oil and Gas Pipeline
Alloy Steel Spiral Pipe is a high‑performance spiral submerged arc welded(SSAW)pipe produced from alloy steel plates or strips with added alloying elements such as chromium,molybdenum,manganese,vanadium,or nickel.Compared with ordinary ca...
Alloy Steel Spiral Pipe is a high‑performance spiral submerged arc welded(SSAW)pipe produced from alloy steel plates or strips with added alloying elements such as chromium,molybdenum,manganese,vanadium,or nickel.Compared with ordinary carbon steel spiral pipe,it offers significantly improved strength,high-temperature resistance,corrosion resistance,creep resistance and fatigue performance,making it suitable for harsh service environments in energy,petrochemical and power industries.
Key Features
Alloy composition enhances tensile strength,yield strength and impact toughness
Excellent high-temperature and high-pressure resistance
Good corrosion resistance and oxidation resistance under severe conditions
Stable weld quality via double-sided submerged arc welding
Uniform wall thickness and high dimensional accuracy
Available in normalized,quenched and tempered,or post-weld heat treated conditions
Main Materials&Standards
Common Grades:16Mn,Q355,12Cr1MoV,15CrMo,P11,P12,P22,P91,A335 series,API 5L X42–X80 alloy grades
Standards:API 5L,ASTM A335,ASTM A691,ASME SA335,GB/T 5310,GB/T 9711
Product Specifications
Outer Diameter:219mm–2000mm
Wall Thickness:6mm–40mm
Length:6m,12m,or customized
Process:Spiral submerged arc welding(SSAW)
Typical Applications
High-temperature and high-pressure oil&gas transmission pipelines
Thermal power plant boiler tubes and header pipes
High-temperature steam pipelines
Petrochemical process pipelines
Long-distance energy pipelines in corrosive environments
Heavy-duty structural pipe under complex load conditions
