Steel Provided by Steel Mart in Dubuque, IA

We stock but are not limited to the following items in Structural Steel:
  • Square & Rectangular Tube
    • 1/2"x1/2"
    • 12"x12" 16ga - 1/2"
  • Angle Iron
    • 1/2"x1/2"
    • 8"x8" 1/8"
    • 1/2"
  • Channel Iron
    • 1" - 15" Std and Heavy Sizes in Most
  • Hot & Cold Rolled Round & Square Bar
    • 1/8" - 6"
  • Sheet & Plate
    • 22ga - 4"
    • 4'x8'
    • 4'x10'
    • 5'x10'
    • 6'x10'
    • 8'x20'
  • I Beam & Wide Flange Beams
    • Most commons available, tons of surplus
  • Pipe
    • 1/4"
    • 20" Sch 40 & Sch 80
  • Round Tube
    • 3/4" - 12" - 16ga - 10ga
  • DOM Tube
    • 3/8" - 12" DOM, HFSMLS, CDSMLS
  • Bargrating
    • 3' x 20' Panels 1"
    • 1-1/4"
    • 1-1/2"
    • 2"
    • All Black, Galv, Alum
  • Galvanized Sheet
    • 4'x10'
    • 5'x10' 24ga-10ga 
  • Tread Plate
    • 4'x8'
    • 4'x10'
    • 5'x10' 14ga - 1/2"
  • Expanded Metal

    4x10

    • 1/2"
    • 3/4"
    • 1-1/2"
    • 1-1/2"#6
    • 3#
    • 3.14#
    • 5x10x3/4
  • Hardox 450
    • 3/16" - 1" 8' x 24'
    • Can Cut to Size
    • Scraps Available For Targets
  • Rebar
    • 3/8" - 1-1/4" Qty Discounts Available
    • Hot & Cold Rolled Flats
      • 1/8" x 1/2" - 1" x 12"
    Our Carbon Steel is perfect for jobs where you need to Steel to fit a specific part or piece of equipment. Whether you need a specific size or shape, or you need us to cut to size for you, call ahead and we will have it all ready for you!