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Steel Supply


Wagner Steel Supply

If you are looking for a steel supplier in Longmont, Boulder, Fort Collins, Loveland or the Denver Metro area, call or come and check us out. We have a large selection of steel shapes including rectangular tube, round tube, flat stock, angle iron, channel, bar and round stock, expanded metal, sheet and plate at great prices.

Rectangular Tube Steel
4x4x11ga 4x2x11ga 4x2x3/16 4x2x1/4 3x3x11ga 3x2x11ga
2.5x2.5x11ga 2x2x1/4 2x2x11ga 2x2x16ga wall,
24' length
1x2x11ga 1x2 16ga 1x3x11ga
1.5x1.5x11ga 1.75x1.75x11ga 1x1x16ga 1x1x11ga 3/4x3/4 16ga 3/4x3/4 11ga 1/2x1/2 16ga  
Round Tube Steel
1.75x11ga 1.25x11ga 1-1/2 11ga 1 dia .065 wall 2x11ga
Angle Iron Steel
4x4x1/4 3x3x3/16 2x2x3/16 2x2x1/8 2x2x1/4 1.5x1.5x1/8 1x1x1/8 3/4x3/4x1/8
Solid Steel (bar, plate)
3/8x1 3/8x3/4 1/2x3/4 1/2x1 1/2x1-1/4 1/4x8 1/4x6
1/4x4 1/4x3 1/4x2 1/4x1 1/4x1-1/2 1/8x6 1/8x5
1/8x4 1/8x3 1/8x1.5 1/8x1 1/8x2
Round Solid
1dia 3/4dia 5/8dia 1/2dia 3/8dia 5/16dia
Square Solid
1/4x1/4 1/2x1/2 5/8x5/8 3/8x3/8 3/4x3/4
Square Tube Steel
1/4 4x4 1/4 4x8 1/8 4x4 1/8 4x8 12ga diamond plate 4x8 expanded 4x8
16ga 4x4 16ga 4x8 18ga 4x4 18ga 4x8 20ga 4x8
Channel Steel
3x1.5x1/4 2x1x1/8

Here are some example fabrication projects:

  • Hand rails
  • Window Well Covers
  • Roll Bars
  • Subframe Connectors
  • Wrought Iron
  • Stairs
  • Athletic Equipment
  • Frames
  • Auto Body Rust Repair
  • Trailers
  • Sign Posts
  • 4X4 Construction/Modification
  • Racks
  • Repair of Steel Containers and Dumpsters

Our steel comes in 5, 10, and 20 foot lengths in stock and we can provide other lengths for a cut fee. Come and see us for the steel raw materials needed for your project!







About Us

For 80+ years, Wagner has delivered quality products and high-purity gases to our Colorado customers. Reliable service and a quality you can trust.

Get In Touch

Wagner Welding Supply
Metro Medical Oxygen
10 Gay Street
Longmont, Colorado 80501

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Monday-Friday: 8am-5pm
Saturday: 9am-1pm