Steel Square Tube

Square Steel Tube, is a welded structural steel tube with a internal weld seam present. Available in A513 or A500 Grade B depending on its size and wall thickness, Square Steel Tube is widely used in industrial maintenance, agricultural implements, transportation equipment, ornamental, etc.
  • Specifications: ASTM A513, ASTM A500 Grade B
  • Applications: frames, roll cages, truck racks, trailers, railings, etc.
  • Workability: Easy to Weld, Cut, Form and Machine
  • Mechanical Properties: Brinell = 63, Tensile = 58,000 +/-,
    Yield = 46,000 +/-
  • How is it Measured? Height (A) X Width (B) X Wall Thickness (C)
  • Available Stock Sizes: 1ft, 2ft, 4ft, 6ft, 8ft, 12ft, 24ft or Cut to Size
Stock lengths may vary +/- 1/4",
Please call if you need specific lengths.

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Steel Square Tube
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Stock
Number
Product Type Item Size & Description
A x B x C (Inches)
Click! Arrow to
Select Size
Qty Select / Price
T11216 A513 Steel Structural Square Tube 1/2 X 1/2 X 16 GA (.065 wall)
T15816 A513 Steel Structural Square Tube 5/8 x 5/8 x 16GA (.065 wall)
T13416 A513 Steel Structural Square Tube 3/4 X 3/4 X 16 GA (.065 wall)
T13414 A513 Steel Structural Square Tube 3/4 X 3/4 X 14 GA (.083 wall)
T13411 A513 Steel Structural Square Tube 3/4 X 3/4 X 11 GA (.120 wall)
T11116 A513 Steel Structural Square Tube 1 X 1 X 16GA (.065 wall)
T11114 A513 Steel Structural Square Tube 1 X 1 X 14 GA (.083 wall)
T11111 A513 Steel Structural Square Tube 1 X 1 X 11 GA (.120 wall)
T111416 A513 Steel Structural Square Tube 1-1/4 X 1-1/4 X16GA (.065 wall)
T111414 A513 Steel Structural Square Tube 1-1/4 x 1-1/4 x 14 GA (.083 wall)
T111411 A513 Steel Structural Square Tube 1-1/4 X 1-1/4 X 11 GA (.120 wall)
T1114316 A500 Steel Structural Square Tube 1-1/4 X 1-1/4 X 3/16 wall
T111216 A513 Steel Structural Square Tube 1-1/2 X 1-1/2 X 16GA (.065 wall)
T111214 A513 Steel Structural Square Tube 1-1/2 X 1-1/2 X 14 GA (.083 wall)
T111211 A513 Steel Structural Square Tube 1-1/2 X 1-1/2 X 11 GA (.120 wall)
T1112316 A500 Steel Structural Square Tube 1-1/2 X 1-1/2 X 3/16 wall
T1112250 A500 Steel Structural Square Tube 1-1/2 X 1-1/2 X 1/4 wall
T113414 A513 Steel Structural Square Tube 1-3/4 X 1-3/4 X 14 GA (.083 wall)
T113411 A513 Steel Structural Square Tube 1-3/4 X 1-3/4 X 11 GA (.120 wall)
T12216 A513 Steel Structural Square Tube 2 X 2 X 16GA (.065 wall)
T12214 A513 Steel Structural Square Tube 2 X 2 X 14 GA (.083 wall)
T12211 A500 Steel Structural Square Tube 2 X 2 X 11 GA (.120 wall)
T122316 A500 Steel Structural Square Tube 2 X 2 X 3/16 wall
T122250 A500 Steel Structural Square Tube 2 X 2 X 1/4 wall
T121211 A500 Steel Structural Square Tube 2-1/2 X 2-1/2 X 11 GA (.120 wall)
T1212316 A500 Steel Structural Square Tube 2-1/2 X 2-1/2 X 3/16 wall
T1212250 A500 Steel Structural Square Tube 2-1/2 X 2-1/2 X 1/4 wall
T13318 A500 Steel Structural Square Tube 3 X 3 X 11GA (.120 wall)
T133316 A500 Steel Structural Square Tube 3 X 3 X 3/16 wall
T13314 A500 Steel Structural Square Tube 3 X 3 X 1/4 wall
T13338 A500 Steel Structural Square Tube 3 X 3 X 3/8 wall
T131211 A500 Steel Structural Square Tube 3-1/2 X 3-1/2 X 11GA (.120 wall)
T1312316 A500 Steel Structural Square Tube 3-1/2 X 3-1/2 X 3/16 wall
T131214 A500 Steel Structural Square Tube 3-1/2 X 3-1/2 X 1/4 wall
T131238 A500 Steel Structural Square Tube 3-1/2 X 3-1/2 X 3/8 wall
T14418 A500 Steel Structural Square Tube 4 X 4 X 11GA (.120 wall)
T144316 A500 Steel Structural Square Tube 4 X 4 X 3/16 wall
T14414 A500 Steel Structural Square Tube 4 X 4 X 1/4 wall
T14438 A500 Steel Structural Square Tube 4 X 4 X 3/8 wall
T14412 A500 Steel Structural Square Tube 4 X 4 X 1/2 wall
T1412316 A500 Steel Structural Square Tube 4-1/2 X 4-1/2 X 3/16 wall
T141214 A500 Steel Structural Square Tube 4-1/2 X 4-1/2 X 1/4 wall
T155316 A500 Steel Structural Square Tube 5 X 5 X 3/16 wall
T15514 A500 Steel Structural Square Tube 5 X 5 X 1/4 wall
T15538 A500 Steel Structural Square Tube 5 X 5 X 3/8 wall
T166316 A500 Steel Structural Square Tube 6 X 6 X 3/16 wall
T16614 A500 Steel Structural Square Tube 6 X 6 X 1/4 wall
T16638 A500 Steel Structural Square Tube 6 X 6 X 3/8 wall
T17714 A500 Steel Structural Square Tube 7 x 7 x 1/4 wall
T18814 A500 Steel Structural Square Tube 8 x 8 x 1/4 wall
T18838 A500 Steel Structural Square Tube 8 x 8 x 3/8 wall
T18812 A500 Steel Structural Square Tube 8 x 8 x 1/2 wall
T11014 A500 Steel Structural Square Tube 10 x 10 x 1/4 wall
T11214 A500 Steel Structural Square Tube 12 x 12 x 1/4 wall
Quantity Length in Feet, Inches and Fraction of Inch
PCS FT and IN  
Custom cut tolerances = plus / minus 1/16"
Call Us for Mitering and Large Quantities.
Quantity Width in Inches Length in Inches
PCS and X and  
Custom cut tolerances = plus / minus 1/16"
Call Us for Mitering and Large Quantities.