- Equipment code : CFIHOS-30000496
Description
Structure Steel Pipes
Hot-Rolled Seamless Steel Tube
Hot-rolled seamless steel tubes for structural purposes are classified into two types as per "Seamless Steel Tube for Structure" (GB/T 8162-2008): hot rolling (extrusion, expansion) and cold drawing (rolling).
Hot-Rolled Steel Pipe:
Outer Diameter: 32-630mm
Wall Thickness: 2.5-75mm
Hot-rolled steel pipes are produced through extrusion or expansion methods, providing robustness suitable for structural applications.
Cold-Drawn Steel Pipe:
Outer Diameter: 5-200mm
Wall Thickness: 2.5-12mm
Cold-drawn steel pipes undergo a rolling process, offering precision dimensions and smoother surface finishes ideal for structural components.
Welded Steel Tube
Welded steel tubes for structural purposes are fabricated from steel plates or strips, distinguished into straight welded steel pipes and spiral welded steel pipes.
Straight Welded Steel Pipe:
Outer Diameter: 5-508mm
Wall Thickness: 0.5-12.7mm
Conforms to GB/T 3091-2008 standards, these pipes are formed by crimping and welding steel plates, suitable for various structural applications.
Spiral Welded Steel Pipe:
Produced by twisting steel strips into a spiral shape and welding the edges together, offering strength and versatility for structural uses.
Common Applications
Low-Pressure Fluid Transportation:
Commonly referred to as "clarke pipe" and specified in nominal diameter (mm), complying with GB/T 3091-2008 for low-pressure fluid transportation.
Summary
Structure steel pipes are essential in construction and industrial applications, providing durability and strength. Hot-rolled seamless pipes offer robustness, while cold-drawn tubes ensure precision and smooth finishes. Welded pipes, whether straight or spiral, cater to diverse structural needs, from general construction to fluid transportation.
Supporting Documents
General Terms
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