STEEL SQUARE TUBE

Square Steel Tube is a hot rolled steel that has been formed into a square tube. It is commonly referred to as HSS, meaning Hollow Structural Section). Typically it has an inside seam due to it being welded. It is measured by taking the outside dimensions (which are the same size) and then the wall thickness.

Applications include trailers, barriers, bike racks, home construction and many more. Used in general fabrication where strength is a requirement. It's box-shape configuration allows for much greater strength and rigidity compared to angles or channels. This steel shape is easy to weld, cut, form and machine with the proper equipment and knowledge.



Picture Stock Number Item Size & Description Weight (lbs. / ft.) Qty Unit Availability Select Item
0006I SQUARE TUBING 1-1/2", 16 GA, 20'
STEEL SQUARE TUBE
1.26 LB PZA In Stock
0006O SQUARE TUBING 2", 14 GA, 20'
STEEL SQUARE TUBE
2.14 LB PZA In Stock
0006P SQUARE TUBING 2", 16 GA, 24'
STEEL SQUARE TUBE
1.71 LB PZA In Stock
00090 SQUARE TUBING 1-1/4", 14 GA, 24'
STEEL SQUARE TUBE
1.32 LB PZA In Stock
0009I SQUARE TUBING 4" HBC 3/16" WALL, 20'
STEEL SQUARE TUBE
9.42 LB PZA In Stock
000E7 SQUARE TUBING 1/2", 20 GA, 19.7'
STEEL SQUARE TUBE
0.22 LB PZA In Stock
000EA SQUARE TUBING 3/4", 18 GA, 19.7'
STEEL SQUARE TUBE
0.47 LB PZA In Stock
000EE SQUARE TUBING 3/4", 20 GA, 19.7'
STEEL SQUARE TUBE
0.52 LB PZA In Stock
000EH SQUARE TUBING 1", 18 GA, 19.7'
STEEL SQUARE TUBE
0.63 LB PZA In Stock
000EL SQUARE TUBING 1", 20 GA, 19.7'
STEEL SQUARE TUBE
0.47 LB PZA In Stock
000FC SQUARE TUBING 1-1/4", 18 GA, 19.7'
STEEL SQUARE TUBE
0.79 LB PZA In Stock
000FF SQUARE TUBING 1-1/4", 20 GA, 19.7'
STEEL SQUARE TUBE
0.59 LB PZA In Stock
000WZ SQUARE TUBING 1", 14 GA, 24'
STEEL SQUARE TUBE
1.04 LB PZA In Stock
000X0 SQUARE TUBING 1-1/2", 14 GA, 24'
STEEL SQUARE TUBE
1.67 LB PZA In Stock
000X2 SQUARE TUBING 2", 14 GA, 24'
STEEL SQUARE TUBE
1.95 LB PZA In Stock
000Y6 SQUARE TUBING 6", 1/4", 20'
STEEL SQUARE TUBE
19.02 LB PZA In Stock
000YG SQUARE TUBING 8", 1/4", 20'
STEEL SQUARE TUBE
28.81 LB PZA In Stock
000YH SQUARE TUBING 3/4", 14 GA, 20'
STEEL SQUARE TUBE
0.64 LB PZA In Stock
000Z1 SQUARE TUBING 1-1/4", 14 GA, 20'
STEEL SQUARE TUBE
1.32 LB PZA In Stock
00103 SQUARE TUBING 1", 14 GA, 20'
STEEL SQUARE TUBE
1.04 LB PZA In Stock
00104 SQUARE TUBING 1-1/4", 16 GA, 20'
STEEL SQUARE TUBE
1 LB PZA In Stock
0011M SQUARE TUBING 3/4", 16 GA, 24'
STEEL SQUARE TUBE
0.57 LB PZA In Stock
00122 SQUARE TUBING 6", 1/4", 40'
STEEL SQUARE TUBE
19.02 LB PZA In Stock
00127 SQUARE TUBING 1/2", 18 GA, 20' INV
STEEL SQUARE TUBE
0.3 LB PZA In Stock
0012D SQUARE TUBING 8" HBC 3/16" WALL, 20' INV
STEEL SQUARE TUBE
19.63 LB PZA In Stock
0012S SQUARE TUBING 1", 16 GA, 20'
STEEL SQUARE TUBE
0.79 LB PZA In Stock
00141 SQUARE TUBING 5", 3/16", 24'
STEEL SQUARE TUBE
11.97 LB PZA In Stock
00144 SQUARE TUBING 3", 11 GA, 24'
STEEL SQUARE TUBE
4.58 LB PZA In Stock
00145 SQUARE TUBING 3/4", 14 GA, 24'
STEEL SQUARE TUBE
0.64 LB PZA In Stock
00147 SQUARE TUBING 3", 14 GA, 24'
STEEL SQUARE TUBE
2.94 LB PZA In Stock
00149 SQUARE TUBING 4", 14 GA, 24'
STEEL SQUARE TUBE
3.96 LB PZA In Stock
00154 SQUARE TUBING 4", 11 GA, 24'
STEEL SQUARE TUBE
6.22 LB PZA In Stock
0015B SQUARE TUBING 4", 3/16", 24'
STEEL SQUARE TUBE
9.42 LB PZA In Stock
0017T SQUARE TUBING 2", 11 GA, 24'
STEEL SQUARE TUBE
2.94 LB PZA In Stock
0017U SQUARE TUBING 1-1/2", 14 GA, 20'
STEEL SQUARE TUBE
1.67 LB PZA In Stock
0017V SQUARE TUBING 2", 3/16", 24'
STEEL SQUARE TUBE
4.32 LB PZA In Stock
001AA SQUARE TUBING 1", 11 GA, 24'
STEEL SQUARE TUBE
1.44 LB PZA In Stock
001CM SQUARE TUBING 3", 7 GA, 24'
STEEL SQUARE TUBE
6.87 LB PZA In Stock
001CN SQUARE TUBING 4", 7 GA, 24'
STEEL SQUARE TUBE
9.42 LB PZA In Stock
001CT SQUARE TUBING 2-1/2", 14 GA, 24'
STEEL SQUARE TUBE
2.43 LB PZA In Stock
001CU SQUARE TUBING 2-1/2", 11 GA, 24'
STEEL SQUARE TUBE
4.65 LB PZA In Stock
001DI SQUARE TUBING 2-1/2", 3/16", 24'
STEEL SQUARE TUBE
5.59 LB PZA In Stock
001NI SQUARE TUBING 1-1/4", 11 GA, 24'
STEEL SQUARE TUBE
1.8 LB PZA In Stock
001NU SQUARE TUBING 4", 1/4", 24'
STEEL SQUARE TUBE
12.79 LB PZA In Stock
001NZ SQUARE TUBING 1/2", 16 GA, 24'
STEEL SQUARE TUBE
0.39 LB PZA In Stock
001O6 SQUARE TUBING 6", 3/16", 24'
STEEL SQUARE TUBE
14.53 LB PZA In Stock
001WX SQUARE TUBING 1-1/2", 16 GA, 24'
STEEL SQUARE TUBE
1.26 LB PZA In Stock
0023O SQUARE TUBING 3", 3/16", 20'
STEEL SQUARE TUBE
6.87 LB PZA In Stock
00267 SQUARE TUBING 4", 1/4", 20'
STEEL SQUARE TUBE
12.21 LB PZA In Stock
00268 SQUARE TUBING 1-1/2", 11 GA, 24'
STEEL SQUARE TUBE
2.25 LB PZA In Stock
0028A SQUARE TUBING 1-1/2", 11 GA, 20'
STEEL SQUARE TUBE
2.21 LB PZA In Stock
0028E SQUARE TUBING 6", 1/4", 24'
STEEL SQUARE TUBE
19.02 LB PZA In Stock
002BI SQUARE TUBING 3", 3/16", 24'
STEEL SQUARE TUBE
6.86 LB PZA In Stock
002D2 SQUARE TUBING 3", 1/4", 24'
STEEL SQUARE TUBE
8.81 LB PZA In Stock
002GQ SQUARE TUBING 1-1/2", 3/16", 24'
STEEL SQUARE TUBE
3.04 LB PZA In Stock
002GZ SQUARE TUBING 1", 16 GA, 24'
STEEL SQUARE TUBE
0.79 LB PZA In Stock
002H0 SQUARE TUBING 4", 14 GA, 20'
STEEL SQUARE TUBE
4.42 LB PZA In Stock
002IY SQUARE TUBING 4", 1/4", 40'
STEEL SQUARE TUBE
12.21 LB PZA In Stock
002J2 SQUARE TUBING 2", 3/16", 20'
STEEL SQUARE TUBE
4.32 LB PZA In Stock
002N4 SQUARE TUBING 2-1/2", 14 GA, 20'
STEEL SQUARE TUBE
2.43 LB PZA In Stock
002QD SQUARE TUBING 6", 3/16", 48'
STEEL SQUARE TUBE
14.53 LB PZA In Stock
002WU SQUARE TUBING 2-1/2" , 1/4", 20'
STEEL SQUARE TUBE
7.5 LB PZA In Stock
0032S SQUARE TUBING 3", 14 GA, 20'
STEEL SQUARE TUBE
2.94 LB PZA In Stock
0036U SQUARE TUBING 6", 3/16", 20'
STEEL SQUARE TUBE
14.53 LB PZA In Stock
0036X SQUARE TUBING 5" X 1/4", 24'
STEEL SQUARE TUBE
15.62 LB PZA In Stock
0037L SQUARE TUBING 3/4", 16 GA, 20'
STEEL SQUARE TUBE
0.57 LB PZA In Stock
0037N SQUARE TUBING 3", 1/4", 20'
STEEL SQUARE TUBE
8.81 LB PZA In Stock
003EO SQUARE TUBING 1-1/4", 16 GA, 24'
STEEL SQUARE TUBE
1 LB PZA In Stock
003H0 SQUARE TUBING 2", 1/4", 24'
STEEL SQUARE TUBE
5.41 LB PZA In Stock
003ZT SQUARE TUBING 4", 11 GA, 20'
STEEL SQUARE TUBE
6.22 LB PZA In Stock
0041I SQUARE TUBING 4", 11 GA, 40'
STEEL SQUARE TUBE
6.22 LB PZA In Stock
0045Z SQUARE TUBING 3", 11 GA, 20'
STEEL SQUARE TUBE
- PZA In Stock
004DX SQUARE TUBING 7" X 7", 5/8", 24'
STEEL SQUARE TUBE
50.81 LB PZA In Stock
004KX SQUARE TUBING 2-1/2", 1/4", 24'
STEEL SQUARE TUBE
7.11 LB PZA In Stock
004PV SQUARE TUBING 2", 11 GA, 20'
STEEL SQUARE TUBE
2.95 LB PZA In Stock
00513 SQUARE TUBING 4", 3/16", 40'
STEEL SQUARE TUBE
9.42 LB PZA In Stock
00518 SQUARE TUBING 5" X 1/4", 20'
STEEL SQUARE TUBE
15.62 LB PZA In Stock
0053O SQUARE TUBING A500 GR B 10", 1/4", 20'
STEEL SQUARE TUBE
16.31 LB PZA In Stock
0055R SQUARE TUBING 6" X 6" 1/2", 40'
STEEL SQUARE TUBE
35.24 LB PZA In Stock
005IT SQUARE TUBING 3-1/2", 1/4", 20'
STEEL SQUARE TUBE
10.51 LB PZA In Stock
005PX SQUARE TUBING 3/4", 11 GA, 24'
STEEL SQUARE TUBE
0.75 LB PZA In Stock
005UE SQUARE TUBING 8", 1/4", 24'
STEEL SQUARE TUBE
26 LB PZA In Stock
005YV SQUARE TUBING RED PRIMED 3/4", 16 GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
0062S SQUARE TUBING 8", 1/4", 40'
STEEL SQUARE TUBE
- PZA In Stock
0067H SQUARE TUBING RED PRIMED 2", 14 GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
006AR SQUARE TUBING 2-1/2", 11 GA, 20'
STEEL SQUARE TUBE
75.2 LB PZA In Stock
006EH SQUARE TUBING A500 GR B 10", 5/16", 48'
STEEL SQUARE TUBE
40.35 LB PZA In Stock
006EI SQUARE TUBING A500 GR B 10", 5/16", 44'
STEEL SQUARE TUBE
40.35 LB PZA In Stock
006EJ SQUARE TUBING A500 GR B 10", 5/16", 40'
STEEL SQUARE TUBE
40.35 LB PZA In Stock
006EK SQUARE TUBING A500 GR B 10", 1/2", 48'
STEEL SQUARE TUBE
62.46 LB PZA In Stock
006EL SQUARE TUBING A500 GR B 10", 1/2", 44'
STEEL SQUARE TUBE
62.46 LB PZA In Stock
006EM SQUARE TUBING A500 GR B 10", 1/2", 40'
STEEL SQUARE TUBE
62.46 LB PZA In Stock
006ER SQUARE TUBING A500 GR B, 8", 1/4", 48'
STEEL SQUARE TUBE
25.82 LB PZA In Stock
006QL SQUARE TUBING A500 GR B, 6" X 6", 1/2", 20´
STEEL SQUARE TUBE
35.24 LB PZA In Stock
006UI SQUARE TUBING 2" X 2", 1/4", 20'
STEEL SQUARE TUBE
- PZA In Stock
006VM SQUARE TUBING 2 ½?, ¼?, 20?
STEEL SQUARE TUBE
- PZA In Stock
006X0 SQUARE TUBING RED PRIMED 2- 1/2?, 14GA 24?
STEEL SQUARE TUBE
- PZA In Stock
00700 SQUARE TUBING RED PRIMED 3",14GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
00712 SQUARE TUBING RED PRIMERED 1/2 X 1/2 X 16 GA X 24'
STEEL SQUARE TUBE
- PZA In Stock
0075G SQUARE TUBING 4" X 4", 1/2", 40 FT ASTM - A500 GR C
STEEL SQUARE TUBE
21.63 LB PZA In Stock
0076O SQUARE TUBING 2", 14 GA, 30'
STEEL SQUARE TUBE
- PZA In Stock
00774 SQUARE TUBING RED PRIMED 3/4"X 3/4", 14GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
00775 SQUARE TUBING RED PRIMED 1"X 1", 14GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
00776 SQUARE TUBING RED PRIMED 1 1/4"X 1 1/4 ", 14GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
00777 SQUARE TUBING RED PRIMED 1 1/2"X 1 1/2 ", 14GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
00778 SQUARE TUBING RED PRIMED 4"X4", 14GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
00779 SQUARE TUBING RED PRIMED 2" X 2", 11GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
0077A SQUARE TUBING RED PRIMED 3" X 3", 11GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
0077B SQUARE TUBING RED PRIMED 4" X 4", 11GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
00780 SQUARE TUBING 8" X 8", 3/16" , 24'
STEEL SQUARE TUBE
- PZA In Stock
00789 SQUARE TUBING 8" X 8" X 5/8" (.625) 40´
STEEL SQUARE TUBE
- PZA In Stock
0078E SQUARE TUBING 4"X4", 1/4" 24' PAINTED
STEEL SQUARE TUBE
- PZA In Stock
0079Q SQUARE TUBING 3-1/2" X 3-1/2" , 3/8", 24'
STEEL SQUARE TUBE
- PZA In Stock
0079R SQUARE TUBING HOLLOW 8" X 8" X 3/8", 40 FT
- PZA In Stock
0079U SQUARE TUBING 1-1/2" X 1-1/2" X 3/16 (0.188) X 20'
STEEL SQUARE TUBE
- PZA In Stock
007BG SQUARE TUBING RED PRIMED 4" X 4" , 14GA, 20'
STEEL SQUARE TUBE
- PZA In Stock
007BH SQUARE TUBING RED PRIMED 2-1/2" X 2-1/2" , 11GA, 24'
STEEL SQUARE TUBE
- PZA In Stock
007DN SQUARE TUBING RED PRIMED 4"X 4 ", 11 GA, 20'
- PZA In Stock
007EM SQUARE TUBING 5" X 1/4", 30'
STEEL SQUARE TUBE
- PZA In Stock
007GD SQUARE TUBING RED PRIMED 3" X 3", 11GA, 20'
STEEL SQUARE TUBE
- PZA In Stock
007GR SQUARE TUBING 1/2",16GA, 20´
STEEL SQUARE TUBE
- PZA In Stock
007HN SQUARE TUBING 5", 3/16", 48'
STEEL SQUARE TUBE
- PZA In Stock
007J4 SQUARE TUBING 3" X 3" X 3/16" (0.187") 40'
STEEL SQUARE TUBE
- PZA In Stock
007JN SQUARE TUBING 4" X 4", 3/8", 48'
STEEL SQUARE TUBE
- PZA In Stock
007JO SQUARE TUBING 6" X 6", 3/8", 48'
STEEL SQUARE TUBE
- PZA In Stock