Steel Tubing for Modular Construction
Steel modular construction demands tubing manufactured with consistent dimensions, tighter corner radii, and structural integrity to perform in high-volume builds.
Alliance Tubular Products supplies precision HSS and ERW steel tubing direct from our mill, engineered for modular manufacturers building multi-family housing, student living, hospitality, and assisted living facilities. When project timelines are non-negotiable, our direct-from-mill supply chain delivers.
Steel Tubing Products for Modular Construction
Modular construction is transforming how buildings go up, assembled off-site in controlled environments using the same building codes and standards as traditional construction.
The result?
Faster project timelines, reduced costs, quality control, and a smaller environmental footprint. At Alliance Tubular Products, we supply dependable hot rolled and hot rolled pickled and oiled (HRPO) steel tubing that delivers the strength, consistency, and dimensional precision steel frame modular construction demands.
Our steel solutions help modular manufacturers build smarter, with the speed, durability, and dimensional accuracy needed to keep projects moving forward.
HSS & ERW Steel Tubing Specifications
For modular construction applications, Alliance Tubular Products manufactures Hollow Structural Section (HSS) and Electric Resistance Welded (ERW) steel tubing in the following sizes:
- Square: 1.5" sq to 5.0" sq 16ga; to ¼ ga
- Rectangle: 1.5" x 2.0" to 4.0" x 6.0"; 16 ga to ¼ ga
- Grades B | C | D
Custom lengths up to 50' available, sized to reduce on-site cutting and assembly time for modular manufacturers.
Modular Construction Applications We Serve
Multi-Family Housing
Load-bearing frames and module-to-module connections
Student Housing
Consistent dimensions with fast, schedule-driven delivery
Hospitality & Hotels
Repeatable module specs across multi-story builds
Assisted Living Facilities
Code-compliant HSS tubing for structural systems
Residential Buildings
Scalable supply for single-family and townhome modular builds
Data Centers
Structural tubing for modular enclosures and infrastructure
Why Modular Manufacturers Choose Steel Frame Construction
Modular builders work with steel, CLT (cross-laminated timber), and concrete structural systems, but steel tubing remains the dominant choice for speed, scalability, and design repeatability.
Steel frame modular construction offers:
- Dimensional precision — consistent wall thickness and cross-section tolerances across every length
- High strength-to-weight ratio — lighter floor and ceiling loads enable multi-story stacking
- Weldability — simplifies module connections and field assembly
- Recyclability — supports sustainability requirements increasingly embedded in building codes
Alliance Tubular Products supplies the HSS and ERW tubing that goes into those frames — direct from our mill, cut to length, bundled to your specs.
Frequently Asked Questions
Modular construction primarily uses Hollow Structural Section (HSS) tubing and Electric Resistance Welded (ERW) tubing. HSS is used in load-bearing frames and structural connections; ERW is used in non-structural components requiring tight tolerances. Alliance Tubular Products manufactures both in square and rectangular profiles.
We supply square tubing from 1.5" to 5.0" and rectangular tubing from 1.5" x 2.0" to 4.0" x 6.0", in wall thicknesses from 16 ga to ¼". Custom lengths up to 50' are available.
Yes. Multi-family modular construction is one of our core applications. We support both structural framing and interior module components for residential, student housing, and assisted living builds. Contact us to discuss your project specs and volume requirements.
We supply Grade B | C | D structural tubing. Ask our team about specific grade requirements for your project.
Yes. Our pre-cut length service reduces on-site cutting, supports just-in-time delivery schedules, and improves consistency across module production runs.
The Alliance Advantage
Across Alliance Family, we proudly offer an extensive range of services. Our expertise encompasses flat-rolled products, steel tubing, and precisely crafted fabricated/welded assemblies. These value-added services result from comprehensive engineering, production, and shipping processes, all seamlessly integrated within our unified campus.
Learn MoreWhat Can We Do For You?
Do you have any questions regarding quotes, materials, services, quality, supply chain solutions, and logistics? Creating custom supply chain solutions tailored to your specific needs and business is at the core of Alliance Tubular Products. Contact us today, and let's get started together.
