Steel Square Tubing

Structural steel tubes can be used for a wide variety of mechanical applications. Its dense structure makes it popular for structural supports, frames, racks, bridges, highways and a wide range of uses in industrial, construction, automotive, and agricultural industries.

Outside Dimension (Inches)Wall Thickness (Gauge or Inches)Available FinishesLbs per FootNormally in StockQuantity & Quote Request
3/8 x 3/8 Steel Square Tubing18gCR.13
1/2 x 1/2 Steel Square Tubing18gCR.30Yes
1/2 x 1/2 Steel Square Tubing16gCR.39Yes
1/2 x 1/2 Steel Square Tubing14gCR.39Yes
5/8 x 5/8 Steel Square Tubing18gCR, Galvalume, P&O.38Yes
5/8 x 5/8 Steel Square Tubing16gCR, P&O1/2Yes
3/4 x 3/4 Steel Square Tubing18gCR.47Yes
3/4 x 3/4 Steel Square Tubing16g GalvalumeHR.61Yes
3/4 x 3/4 Steel Square Tubing14gHR.8Yes
3/4 x 3/4 Steel Square Tubing11gP&O.9Yes
13/16 x 13/16 Steel Square Tubing16gCR.66
.825 x .825 Steel Square Tubing18gCR.55
.825 x .825 Steel Square Tubing16gCR, P&O.72Yes
.825 x .825 Steel Square Tubing14gP&O.84No
1 x 1 Steel Square Tubing18gCR.63Yes
1 x 1 Steel Square Tubing16g GalvalumeCR, HR, P&O.83Yes
1 x 1 Steel Square Tubing14gHR, P&O1.04Yes
1 x 1 Steel Square Tubing0.11.14Yes
1 x 1 Steel Square Tubing0.1091.22
1 x 1 Steel Square Tubing1/8.135Yes
1 1/4 x 1 1/4 Steel Square Tubing18gCR.80No
1 1/4 x 1 1/4 Steel Square Tubing16gCR, HR, P&O1.05Yes
1 1/4 x 1 1/4 Steel Square Tubing14gHR, P&O1.32Yes
1 1/4 x 1 1/4 Steel Square Tubing.100P&O1.48Yes
1 1/4 x 1 1/4 Steel Square Tubing1/81.78Yes
1 1/2 x 1 1/2 Steel Square Tubing18gCR.97No
1 1/2 x 1 1/2 Steel Square Tubing16g GalvalumeCR, HR, P&O1.27Yes
1 1/2 x 1 1/2 Steel Square Tubing14gHR, P&O1.6Yes
1 1/2 x 1 1/2 Steel Square Tubing0.11.82Yes
1 1/2 x 1 1/2 Steel Square Tubing1/82.21Yes
1 1/2 x 1 1/2 Steel Square Tubing3/163.35Yes
1 3/4 x 1 3/4 Steel Square Tubing16gCR, P&O1.49Yes
1 3/4 x 1 3/4 Steel Square Tubing14gP&O1.88Yes
1 3/4 x 1 3/4 Steel Square Tubing0.12.24Yes
1 3/4 x 1 3/4 Steel Square Tubing1/82.76Yes
2 x 2 Steel Square Tubing18gCR1.28
2 x 2 Steel Square Tubing16g GalvalumeCR, HR, P&O1.71Yes
2 x 2 Steel Square Tubing14gHR, P&O2.16Yes
2 x 2 Steel Square Tubing0.12.58Yes
2 x 2 Steel Square Tubing0.122.94Yes
2 x 2 Steel Square Tubing1/83.06Yes
2 x 2 Steel Square Tubing3/164.33Yes
2 1/4 x 2 1/4 Steel Square Tubing1/83.48
2 1/2 x 2 1/2 Steel Square Tubing16gHR2.15
2 1/2 x 2 1/2 Steel Square Tubing14gP&O2.59
2 1/2 x 2 1/2 Steel Square Tubing0.13.18Yes
2 1/2 x 2 1/2 Steel Square Tubing1/83.91Yes
2 1/2 x 2 1/2 Steel Square Tubing3/165.61Yes
2 1/2 x 2 1/2 Steel Square Tubing1/47.11Yes
3 x 3 Steel Square Tubing16gP&O2.59
3 x 3 Steel Square Tubing.1003.95Yes
3 x 3 Steel Square Tubing.1104.22
3 x 3 Steel Square Tubing1/84.76Yes
3 x 3 Steel Square Tubing3/166.89Yes
3 x 3 Steel Square Tubing1/48.81Yes
3 x 3 Steel Square Tubing5/1610.59
3 x 3 Steel Square Tubing3/812.17Yes
3 1/2 x 3 1/2 Steel Square Tubing1/85.61Yes
3 1/2 x 3 1/2 Steel Square Tubing3/168.17Yes
3 1/2 x 3 1/2 Steel Square Tubing1/410.51Yes
3 1/2 x 3 1/2 Steel Square Tubing3/814.71
4 x 4 Steel Square Tubing14gP&O4.36
4 x 4 Steel Square Tubing1/86.46Yes
4 x 4 Steel Square Tubing3/169.45Yes
4 x 4 Steel Square Tubing1/412.21Yes
4 x 4 Steel Square Tubing5/1614.84
4 x 4 Steel Square Tubing3/817.27Yes
4 x 4 Steel Square Tubing1/221.63Yes
4 1/2 x 4 1/2 Steel Square Tubing3/1610.7
5 x 5 Steel Square Tubing1/88.15Yes
5 x 5 Steel Square Tubing3/1612Yes
5 x 5 Steel Square Tubing1/415.62Yes
5 x 5 Steel Square Tubing5/1619.08
5 x 5 Steel Square Tubing3/822.37Yes
5 x 5 Steel Square Tubing1/228.43
6 x 6 Steel Square Tubing1/89.85Yes
6 x 6 Steel Square Tubing3/1614.56Yes
6 x 6 Steel Square Tubing1/419.02Yes
6 x 6 Steel Square Tubing5/1623.35
6 x 6 Steel Square Tubing3/827.48Yes
6 x 6 Steel Square Tubing1/235.24
7 x 7 Steel Square Tubing3/1617.13
7 x 7 Steel Square Tubing1/422.42
7 x 7 Steel Square Tubing5/1627.60
7 x 7 Steel Square Tubing3/832.58
8 x 8 Steel Square Tubing3/1619.67
8 x 8 Steel Square Tubing1/425.82
8 x 8 Steel Square Tubing5/1631.86
8 x 8 Steel Square Tubing3/837.69
8 x 8 Steel Square Tubing1/21/2
10 x 10 Steel Square Tubing1/432.63
10 x 10 Steel Square Tubing3/847.90
10 x 10 Steel Square Tubing1/262.46
12 x 12 Steel Square Tubing1/439.43
12 x 12 Steel Square Tubing5/1648.86
12 x 12 Steel Square Tubing3/8"58.10