Steel Tubing for the Construction Industry

While pipes and tubes may look similar, they serve different purposes in construction applications. Here are the key distinctions:

Pipe is typically round and measured by nominal pipe size (NPS). It's primarily designed for transporting fluids and gases through a system.

Structural tubing, on the other hand, is measured by its actual outside diameter (OD) and wall thickness, providing more precise specifications. Tubing offers several advantages for construction projects:

• Higher structural strength – making it ideal for load-bearing applications
• Easier to bend and fabricate – allowing for more versatile designs
• Better dimensional accuracy – critical for structural integrity

When your project requires structural support rather than fluid transport, tubing is typically the superior choice.

Want to dive deeper into the technical differences? Read our comprehensive guide: The Key Differences Between Tube and Pipe

Absolutely! Steel tubing is an excellent choice for outdoor construction projects, offering several key advantages:

Exceptional Strength-to-Weight Ratio – Steel tubing delivers maximum structural support without adding unnecessary weight to your project.

Built for Durability – Unlike wood, steel won't rot, warp, or deteriorate over time, even when exposed to the elements.

Corrosion Protection – Steel tubing can be coated with protective finishes to resist rust and corrosion, ensuring long-term performance in any climate.

Low Maintenance – Once properly coated, steel tubing requires minimal upkeep while maintaining its structural integrity for decades.

Easy to Fabricate – Steel tubing's versatility makes it simple to cut, weld, and shape to meet your specific project requirements.

Whether you're building outdoor structures, frameworks, or support systems, steel tubing provides the reliability and longevity your project demands.

Selecting the right steel tubing involves several key considerations. 

Here's a step-by-step approach:

1. Define Your Purpose and Functionality – What will the tubing support or connect? Understanding the application helps determine the strength requirements.
2. Select Your Material – At Alliance Tubular Products, we offer hot-rolled (HR) and hot-rolled pickled and oiled (HRPO) options, each with distinct surface finishes and properties.
3. Choose Your Shape – We manufacture both square and rectangular structural and mechanical tubing to suit different design needs.
4. Determine Your Specifications – Know your requirements:

• Wall thickness
• Outside diameter (OD)
• Length

5. Verify ASTM Standards – Ensure your tubing meets the appropriate industry standards for your application.
6. Select the Right Grade – Alliance Tubular Products manufactures:

• ASTM A500 B,
• ASTM A500 C,
• ASTM A500 D,
  for structural applications.

Not sure where to start? Our team can help you identify the ideal specifications for your project.

Yes! Steel tubing is highly versatile and can be easily welded and fabricated directly on-site, making it ideal for construction projects with custom requirements.

Welding Methods – Steel tubing works well with common welding techniques, including:

• MIG (Metal Inert Gas) welding
• TIG (Tungsten Inert Gas) welding

Fabrication Capabilities – Construction teams can perform a full range of fabrication work on-site:

• Cutting to precise lengths
• Notching for connections
• Bending for angles and curves
• Welding for secure joints

This on-site flexibility allows contractors to adapt quickly to project changes, create custom configurations, and ensure precise fits without delays from off-site fabrication.

Absolutely! Steel tubing, also known as Hollow Structural Sections (HSS), is engineered to deliver maximum strength while minimizing weight—making it a smart choice for modern construction.

How Steel Tubing Achieves Superior Strength-to-Weight Performance:

Smart Material Placement – Steel tubing positions material away from the center and toward the outer edges, where it provides the greatest resistance to bending and twisting forces. This hollow design uses less steel while delivering performance comparable to or better than that of solid sections.

Exceptional Load-Bearing Capacity – Hollow tubes excel at supporting vertical loads and resisting buckling, making them particularly effective for columns, beams, and structural frameworks.

Proven Efficiency – In practice, switching from solid steel to hollow tubing can reduce structural weight by 15–20% while maintaining full load-bearing capacity.

Shape-Specific Benefits:

• Round tubing offers optimal torsion resistance and typically weighs 20% less than square tubing with equivalent wall thickness
• Square and rectangular tubing provide excellent bending resistance for frames and beams handling directional loads

Additional Construction Advantages:

Cost Savings – Lighter components mean reduced transportation expenses and lower shipping costs to your job site.

Faster Installation – Less weight requires smaller lifting equipment, reducing equipment costs and speeding up project timelines.

Engineering Consistency – Steel tubing maintains uniform strength and dimensions throughout, simplifying design calculations and project planning.

Important Considerations:

While steel tubing offers significant advantages, proper engineering is essential. Tubes with very thin walls relative to their diameter may be susceptible to buckling under extreme stress, so working with appropriate diameter-to-thickness ratios is critical. Additionally, while initial material costs may be slightly higher than solid sections, these expenses are typically offset by savings in labor, transportation, and installation.

Steel tubing represents a proven solution for reducing structural weight in construction without compromising the strength and reliability your project demands.

Yes, ASTM A500 is compliant with commercial and industrial building codes. 

Short answer, yes! Steel tubing is an excellent choice for sustainable construction projects, offering environmental benefits that align with modern green building goals.

Infinitely Recyclable – Steel is 100% recyclable and can be reprocessed endlessly without any loss of strength or quality. This infinite lifecycle means today's steel tubing can become tomorrow's building materials.

Extended Building Lifespan – Steel's resistance to rotting, cracking, and pest damage ensures structures last longer, reducing the need for replacement materials and minimizing waste over time.

Recognized by Green Building Standards – Steel tubing is approved and valued by major sustainability certification programs, including:

• LEED (Leadership in Energy and Environmental Design)
• BREEAM (Building Research Establishment Environmental Assessment Method)

Reduced Carbon Footprint – Choosing North American-produced steel can further enhance your project's sustainability profile by minimizing transportation emissions compared to imported materials.

When you select steel tubing for your construction project, you're choosing a material that supports both structural performance and environmental responsibility.

Structural tubing streamlines construction projects in multiple ways, helping contractors save time and reduce costs without compromising quality.

Lightweight Yet Strong – The exceptional strength-to-weight ratio means crews can handle and position materials more easily, reducing physical strain and safety risks on the job site.

Faster Assembly – Structural tubing is designed for quick fabrication and installation. Its uniform dimensions and clean edges allow for precise cutting, welding, and joining with minimal preparation.

Superior Connections – The consistent geometry of tubing creates reliable connection points for welding, bolting, or other joining methods, ensuring strong, stable structures.

Reduced Material Handling – Lighter components require less heavy equipment for transportation and installation, lowering equipment rental costs and speeding up project timelines.

Cost Savings Throughout the Project – From reduced shipping expenses to faster installation times, structural tubing helps control costs at every stage of construction.

Consistent Performance – Enhanced material properties and manufacturing standards ensure predictable behavior, reducing the need for on-site adjustments and rework.

By choosing structural tubing, you're investing in a material that works as efficiently as your team does.