Cold-Rolled Steel Tube Supplier

Q: What is the difference between cold rolled and hot rolled steel tubing?

Cold rolled steel tubing is formed at room temperature, which produces tighter tolerances, higher yield strength, and a smooth surface finish suitable for paint, plating, or visible applications. Hot rolled tubing is formed at high temperatures and has a scaled surface and looser dimensional tolerances, but is more economical for structural and load-bearing use.

Q: What grades of steel does T&B Tube use for cold rolled tubing?

T&B Tube produces cold rolled steel tube primarily in grades 1008, 1010, and 1018. Grades 1008 and 1010 are low-carbon steels with excellent formability and weldability. Grade 1018 offers higher strength and improved machinability for parts that will be drilled, threaded, or machined after fabrication.

Q: Is cold rolled steel pipe the same as cold rolled steel tubing?

The terms cold rolled steel pipe and cold rolled steel tube are sometimes used interchangeably, but they describe different products. Pipe is specified by nominal pipe size (NPS) and schedule, with wall thickness varying by schedule. Tube is specified by exact OD and wall thickness. T&B Tube manufactures cold rolled mechanical tubing to ASTM A513.

Q: What industries does T&B Tube supply cold rolled tube to?

T&B Tube supplies cold rolled tubing to OEMs, steel fabricators, steel service centers, store fixture and display manufacturers, office furniture producers, transportation seating manufacturers, RV producers, material handling equipment makers, and more.

Specifying cold-rolled steel tubing for tight-tolerance work usually means dealing with extended lead times, inconsistent surface quality, or suppliers who push minimums that don't match your run sizes. T&B Tube manufactures cold-rolled steel tubing in round, square, and rectangular profiles, produced to ASTM A513 standards with the dimensional accuracy and smooth surface finish that fabricators, OEMs, and service centers depend on. Cold-rolled steel tube ships from our Gary, Indiana, facility with in-house processing built in, so material arrives ready for the next operation rather than the next prep step.

What Is Cold-Rolled Steel Tubing?

Cold-rolled steel tubing is formed by passing a flat steel strip through forming rolls at room temperature, then welding the seam and sizing the tube to final dimensions without reheating. Because the steel is worked below its recrystallization point, the cold rolling process refines the grain structure, increases yield strength through work hardening, and produces a smoother, more uniform surface than hot-rolled tube. The result is a clean, dimensionally accurate cold-rolled steel tube ready for visible applications, precision welding, and high-volume assembly.

T&B Tube produces cold-rolled steel tubing primarily from low-carbon grades 1008, 1010, and 1018. Grades 1008 and 1010 deliver excellent formability and weldability for general fabrication, while 1018 offers higher strength and better machinability for parts that will be drilled, threaded, or turned. All cold rolled tube is manufactured to ASTM A513, the standard governing electric-resistance-welded carbon and alloy mechanical tubing. ASTM A513 sets the chemistry, tolerances, and testing requirements buyers rely on when specifying material for OEM and structural use.

One common point of confusion: cold-rolled is not the same as cold-drawn. Cold-rolled tube is sized through forming rolls. Cold-drawn tube is pulled through a die, which produces even tighter tolerances and a harder surface, but at higher cost. For the vast majority of mechanical, structural, and architectural applications, cold-rolled steel tubing delivers the dimensional accuracy and finish required without the price premium of cold-drawn.

Cold-Rolled vs. Hot-Rolled Steel Tubing: What's the Difference?

The choice between cold-rolled and hot-rolled steel comes down to surface finish, tolerance requirements, and cost. Both have a place, and the right answer depends on what happens to the tube after it leaves the supplier.

Attribute	Cold-Rolled Steel Tubing	Hot-Rolled Steel Tubing
Surface Finish	Smooth, uniform, ready for paint or plating	Scaled surface; may require cleaning or pickling
Dimensional Tolerances	Tight; consistent OD, wall, and concentricity	Looser; some variation inherent to the process
Strength	Higher yield strength from work hardening	Lower yield strength, higher ductility
Cost	Higher per pound	More economical for structural use
Best For	Visible parts, precision welding, machined components	Structural framing, high-volume fabrication, load-bearing assemblies

Choose cold-rolled steel tubing when surface appearance, fit, and finish drive the application. Choose hot rolled when cost and strength matter more than aesthetics or tight tolerance.

Cold-Rolled Steel Tubing Specifications

T&B Tube manufactures cold-rolled steel tubing to ASTM A513 requirements unless otherwise specified. Available shapes, sizes, and grades include:

Specification	Range
Shapes	Round, Square, Rectangular
Round OD	0.750" to 2.500"
Square Size	0.625" to 2.500"
Rectangular Size	Multiple combinations available; weld seam locatable on wide or narrow side
Wall Thickness	0.035" to 0.180"
Lengths	Standard mill lengths and custom cut-to-length
Standard	ASTM A513
Grades	1008, 1010, 1018

Wall thickness, length, and grade availability vary by profile. Review our full steel tube stocklist for current inventory or contact our team for sizes outside the standard range.

Cold-Rolled Steel Tubing Shapes & Configuration

Each profile carries its own design considerations. T&B Tube manufactures cold-rolled tube in three primary shapes, with secondary processing available on every order.

Cold-Rolled Round Steel Tubing

Cold-rolled round steel tubing is the most versatile profile, used wherever a clean cylindrical form is required. Tight concentricity and uniform wall thickness make it the standard choice for structural columns, handles, exercise equipment, and rolled or formed components. T&B Tube manufactures round cold rolled in OD ranges from 0.750" to 2.500" with multiple wall thickness options. See round steel tube for complete dimensional data.

Cold-Rolled Square Steel Tubing

Cold-rolled square steel tubing is specified for framing, racking, and any application where flat mating surfaces simplify welding, fastening, or assembly. The smooth finish and consistent corner radii reduce prep work and produce cleaner welds. Common uses include store fixtures, office furniture frames, machine guards, and material handling equipment. See square steel tube for available sizes.

Cold-Rolled Rectangular Steel Tubing

Cold-rolled rectangular steel tubing offers the same surface and tolerance benefits as square tube, with the design flexibility of varying width and height dimensions. Rectangular profiles are common in transportation seating frames, display fixtures, and architectural components where a specific aspect ratio is required for structural or visual reasons. See rectangular steel tube for full size options.

Applications for Cold Rolled Steel Tubing

The combination of dimensional accuracy and smooth surface finish makes CRS tubing the preferred material across a wide range of industries:

Store Fixtures, Displays, and Racks: The smooth surface eliminates the need for additional grinding or coating prep, reducing production steps before paint or powder coat.
Office and Institutional Furniture: Uniform wall thickness and concentricity support clean welds and consistent structural performance across high-volume runs.
Transportation Seating: Tight dimensional tolerances ensure consistent fit during high-volume assembly of bus, train, and specialty vehicle seating.
OEMs: Mill-certified material with predictable mechanical properties for production lines that can't tolerate variability.
Steel Fabricators: Ready-to-weld surface and accurate dimensions reduce rework on custom assemblies.
Steel Service Centers: Stocking programs sized to distribution forecasts and downstream demand.
Lawn and Garden Equipment: Frames, handles, and structural components where finish quality matters to end-users.
Material Handling: Carts, racks, shelving, and storage systems built for repeated use.
Recreational Vehicles: Interior structural components and visible frame elements requiring a paint-ready surface.
Data Centers: Server racking and support systems where dimensional consistency drives installation speed.

Processing and Value-Added Services

Receiving a cold-rolled tube that still requires cutting, deburring, or prep work before it hits your line adds time, labor, and cost. T&B Tube handles that processing in-house, so material arrives ready to use. Custom packaging and load configurations can also be built into any order through our steel and custom tube packaging program to protect surface finish in transit and streamline receiving.

Cut to Length: Precision saw-cutting to customer-specified lengths. Eliminates scrap, reduces labor, and shortens lead times.
Deburring: Inline and offline deburring removes rough edges from inside and outside diameters, so material arrives safe to handle and ready to process.
Tube Laser Cutting: Holes, notches, miters, and complex profiles cut with precision laser equipment.
Steel Tube Managed Inventory: T&B manages production schedules and coil purchasing to keep your required tubing in stock without requiring you to carry it.
Steel Tube Consignment Warehousing: Tubing staged at your facility on a scheduled delivery cycle. You pay for what you pull, which improves cash flow and eliminates emergency orders.

Why T&B Tube?

As one of the most established cold-rolled steel suppliers in North America, T&B Tube combines four decades of tube manufacturing experience with a fully integrated operation in Gary, Indiana. Production, processing, and inventory management all happen under one roof, which removes the intermediary steps that stretch most supply chains.

ISO 9001:2015 Certified

Quality management processes are built into every stage of production, from coil intake through final packaging. Consistency is documented, measurable, and protected across every order.

ASTM A513 Compliance

Every cold-rolled steel tube ships mill-certified with documentation available through our Quality Assurance Certifications program. Buyers get the paperwork they need without follow-up requests.

Flexible Order Programs

Single-project orders and long-term supply agreements are both supported. We work with buyers ordering one truckload as readily as we work with OEMs running annual contracts.

Dedicated Account Support

Direct access to a team that understands your production requirements and can respond quickly when specs or schedules shift. No call centers, no escalation queues.

North American Supply, In-House Processing

Domestic production combined with on-site cut-to-length, deburring, and laser cutting means tighter lead times and fewer touchpoints between order and delivery.

Explore our full range of steel tubing types to compare material options, or review the tube rolling dates chart in our resource library.

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Your Cold Rolled Steel Source

As a steel tube production, processing, and supply chain management leader, T&B Tube is the perfect partner to keep pace in competitive manufacturing marketplaces. A dedicated workforce, state-of-the-art equipment, and expansive warehousing capabilities make us the premier cold rolled steel tube supplier in North America.

Contact us for more information about cold rolled steel tubing.

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Cold Rolled Steel Tubing FAQs

What is the difference between cold-rolled and hot-rolled steel tubing?

Cold-rolled steel tubing is formed at room temperature, which produces tighter tolerances, higher yield strength, and a smooth surface finish suitable for paint, plating, or visible applications. Hot-rolled tubing is formed at high temperatures and has a scaled surface and looser dimensional tolerances, but is more economical for structural and load-bearing applications.

What grades of steel does T&B Tube use for cold-rolled tubing?

T&B Tube produces cold-rolled steel tube primarily in grades 1008, 1010, and 1018. Grades 1008 and 1010 are low-carbon steels with excellent formability and weldability. Grade 1018 offers higher strength and improved machinability for parts that will be drilled, threaded, or machined after fabrication.

Is cold-rolled steel pipe the same as cold-rolled steel tubing?

The terms cold-rolled steel pipe and cold-rolled steel tube are sometimes used interchangeably, but they describe different products. Pipe is specified by nominal pipe size (NPS) and schedule, with wall thickness varying by schedule. Tube is specified by exact OD and wall thickness. T&B Tube manufactures cold-rolled mechanical tubing to ASTM A513

Can T&B Tube cut cold-rolled tube to a specific length?

Yes. T&B Tube offers precision cut-to-length service using saw-cutting process lines, which eliminates scrap and reduces in-house labor. Tube laser cutting is also available for holes, notches, miters, and custom profiles.

What industries does T&B Tube supply cold rolled tube to?

T&B Tube supplies cold-rolled tubing to OEMs, steel fabricators, steel service centers, store fixture and display manufacturers, office furniture producers, transportation seating manufacturers, RV producers, material handling equipment makers, and more.