Our rectangular tubing are made of steel, stainless steel and aluminum. We have a variety of sizes to choose from. Please consult the sizing chart below to determine the dimensions of steel rectangular tubing you need for your project.

Rectangular-structural conforms to A-500
Standard length – 20, 24, 40, and 48 ft.

Size in inches
Wall thickness
Weight per ft
Gauge
Decimal

1-1/2 x 1

 

2 x 1

 

2 x 1-1/2

 

2-1/2 x 1

2-1/2 x 1-1/2

 

 

3 x 1

3 x 1-1/2

 

3 x 2

 

 

4 x 2

 

 

4 x 2-1/2

4 x 3

 

5 x 2

 

5 x 2-1/2

 

5 x 3

 

 

8 x 2

8 x 3

 

8 x 4

 

 

8 x 6

 

 

10 x 2

10 x 3

10 x 4

 

10 x 5

10 x 6

 

 

10 x 8

 

12 x 2

12 x 4

 

12 x 6

14
11

16
14
11

14
11

14
11

14
7
5
1/4

14

14
11
7

14
11
3/16
1/4

14
11
3/16
1/4

11

11
5/32
3/16
1/4

3/16
1/4

11
7

3/16
1/4
5/16
3/8
1/2

1/4

3/16
1/4

3/16
1/4
5/16
3/8
1/2

3/16
1/4
5/16
3/8
1/2

3/16

1/4

3/16
1/4

1/4

1/4
5/16
3/8
1/2

1/4
3/8
1/2

3/16

1/4
3/8

1/4
3/8
1/2

.083
.120

.065
.083
.120

.083
.120

.083
.120

.083
.180
.220
.250

.083

.083
.120
.180

.083
.120
.188
.250

.083
.120
.188
.250

.120

.120
.156
.188
.250

.188
.250

.120
.180

.188
.250
.313
.375
.500

.250

.188
.250

.188
.250
.313
.375
.500

.188
.250
.313
.375
.500

.188

.250

.188
.250

.250

.250
.313
.375
.500

.250
.375
.500

.188

.250
.375

.250
.375
.500

1.28
1.76

1.25
1.57
2.25

1.88
2.66

1.88
2.66

2.16
4.32
5.33
5.41

2.14

2.45
3.48
4.96

2.70
3.80
5.60
7.11

3.26
4.58
6.87
8.81

5.03

5.52
6.88
8.15
10.51

8.15
10.51

5.924
8.439

9.420
12.210
14.83
17.27
21.63

15.50

13.25
17.32

14.53
19.02
23.34
27.48
35.24

17.08
22.42
27.59
32.58
42.05

14.53

20.72

17.08
22.42

24.12

25.82
31.84
37.69
48.85

29.23
42.79
55.66

17.08

25.82
37.69

29.23
42.79
55.66