Structural pipe refers to steel pipe that is specifically manufactured or repurposed for structural and construction applications, rather than for conveying fluids or gases. It is used to support loads, provide structural integrity, and serve as framework in a wide range of building and industrial projects.
Key Characteristics of Structural Pipe:
Material:
Commonly made from carbon steel, though stainless steel and galvanized options exist depending on corrosion resistance needs.
Shapes:
Round (most common)
Square or rectangular (technically considered tubing, but sometimes called pipe in structural use)
Specifications:
Often conforms to standards like ASTM A500, A252, or A53 depending on the application and material properties required.
Finishes:
May be bare, painted, galvanized, or coated depending on environmental exposure.
Common Uses of Structural Pipe:
Structural supports in buildings and bridges
Columns and beams in commercial or residential construction
Sign poles and lighting columns
Fence posts, gates, and railings
Oilfield and agricultural structures
Scaffolding and temporary frameworks
Why Structural Pipe is Chosen:
High strength-to-weight ratio
Durability under load and environmental stress
Versatility for welding, cutting, and fabrication
Cost-effective, especially when repurposed from surplus or rejected line pipe
Structural Pipe vs. Line Pipe:
Feature |
Structural Pipe |
Line Pipe |
Primary Purpose |
Load-bearing structures |
Transporting oil, gas, or fluids |
Quality Standards |
Strength and shape consistency |
Pressure and corrosion resistance |
Pressure Rated |
Usually not pressure-rated |
Pressure-rated |
End Finish |
Plain end or custom-finished |
Typically beveled or threaded |