Hot Rolled Round Steel Tubing

Diagram to show how to measure round tubing
D = Diameter
T = Thickness
L = Length

Round steel tubing exhibits excellent strength and durability, is easy to cut, bend, and form, and is versatile and affordable enough for a broad spectrum of applications. Multiple styles and alloys are available, including seamless 4130 steel tubing, chrome plated round hot rolled tubing, and more. 

Read more about the applications and advantages of hot rolled round steel tubing below!


From construction and architecture to aerospace manufacturing to motorsports vehicles, round steel tubing can be found in almost every market.  View our inventory above to find the round steel tubing you need, or use the filters at left to narrow your search.

Your #1 Source for Round Steel Tubing in California

Industrial Metal Supply stocks a huge inventory of carbon steel and alloy round tubing, with a variety of standard sizes, wall thicknesses, and lengths available to meet your needs. We can also provide custom cut-to-length round steel tubing to match your exact specifications. Our round steel tubing inventory includes:

  • HR (hot rolled) round steel tubing

We also offer square steel tubing, rectangular steel tubing, telescoping square steel tubing, and steel hammered tube.

Round Steel Tubing Options


  • Hot rolled


  • 3/8”
  • 1/2”
  • 5/8”
  • 3/4”
  • 7/8”
  • 1”
  • 1-1/8”
  • 1-1/4”
  • 1-3/8”
  • 1-1/2”
  • 1-5/8”
  • 1-3/4”
  • 1-7/8”
  • 2”
  • 2-1/2”
  • 3”
  • 4”

Wall Thickness

  • 0.040”
  • 0.050”
  • 0.058”
  • 0.065”
  • 0.095”
  • 0.120”
  • 0.156”
  • 0.187”
  • 0.188”
  • 0.250”
  • 11 GA
  • 13 GA
  • 14 GA
  • 16 GA
  • 18 GA


Hot Rolled Round Steel Tube

Hot rolled round steel tubes are measured by their outside diameter and their wall thickness. Their round structure allows them to have numerous types of architectural and structural applications. Hot rolled round steel tube is easy to cut, weld, form and machine.

Hot Rolled Round Steel Tube Applications

Hot rolled round steel tube is used in numerous types of industrial applications, including:
  • Motorcycle frames
  • Rollers
  • Shafts
  • Engine mounts
  • Bushings
  • And more

Metal Supply Made Easy

Get the high-quality metal products you need and keep your project on time and within budget. We make metal buying easy by providing multiple purchasing options.
  • Will Call pick up
  • Custom cut to size
  • Next day local delivery
  • Rapid turnaround
  • Volume discount pricing
  • Open to the public

Contact Industrial Metal Supply for Round Steel Tube Today

Industrial Metal Supply stocks a wide range of sizes of steel tube for your specific project needs. Contact us today.
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