Tubing (Square & Rect)

Tubing (Square & Rect)

Square or Rectangular 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, transportation equipment, trailers, ornamental iron railings and posts. Steel tube is easy to cut, weld and fabricate. Steel tube is measured on the outside dimension and the wall thickness.

Grades ASTM A513, ASTM A500 Grade B
Stock lengths 20', 24' and 40'

Type:

O.D. Size Nominal Wall Thickness Lbs. per Ft.
1/2" Sq. 18 ga. 0.3005
16 ga. 0.3845
3/4" Sq. 18 ga. 0.467
16 ga. 0.606
14 ga. 0.7529
11 ga. 1.028
1" Sq. 18 ga. 0.6337
16 ga. 0.827
15 ga. 0.909
14 ga. 1.035
13 ga. 1.169
12 ga. 1.321
11 ga. 1.436
1-1/4" Sq. 18 ga. 0.8003
16 ga. 1.048
15 ga. 1.154
14 ga. 1.317
13 ga. 1.492
12 ga. 1.691
11 ga. 1.844
10 ga. 2.047
3/16" 2.4
1-1/2" Sq. 18 ga. 0.9669
16 ga. 1.269
15 ga. 1.398
14 ga. 1.6
13 ga. 1.815
12 ga. 2.062
11 ga. 2.252
10 ga. 2.489
9 ga. 2.49
3/16" 3.04
1/4" 3.7
1-3/4" Sq. 18 ga. 1.134
16 ga. 1.49
15 ga. 1.643
14 ga. 1.882
13 ga. 2.138
12 ga. 2.433
11 ga. 2.66
3/16" 3.22
2" Sq. 18 ga. 1.3
16 ga. 1.71
15 ga. 1.89
14 ga. 2.16
13 ga. 2.46
12 ga. 2.8
11 ga. 3.07
10 ga. 3.24
9 ga. 3.54
8 ga. 3.88
3/16" 4.32
6 ga. 4.6
5 ga. 4.9
1/4" 5.4
2-1/8" Sq. 16 ga. 1.78
15 ga. 1.96
14 ga. 2.24
13 ga. 2.54
12 ga. 2.88
11 ga. 3.26
10 ga. 3.47
9 ga. 3.79
8 ga. 4.16
3/16" 4.64
6 ga. 4.94
5 ga. 5.28
1/4" 5.83
2.17" Sq. 16 ga. 1.82
15 ga. 2.01
14 ga. 2.3
13 ga. 2.6
12 ga. 2.95
11 ga. 3.34
10 ga. 3.55
9 ga. 3.88
8 ga. 4.26
3/16" 4.76
6 ga. 5.07
5 ga. 5.41
1/4" 5.98
2-1/2" Sq. 16 ga. 2.12
15 ga. 2.33
14 ga. 2.67
13 ga. 3.03
12 ga. 3.44
11 ga. 3.9
10 ga. 4.15
9 ga. 4.54
8 ga. 5
3/16" 5.6
6 ga. 5.98
5 ga. 6.4
1/4" 7.1
3" Sq. 14 ga. 3.23
13 ga. 3.67
12 ga. 4.18
11 ga. 4.75
10 ga. 5.07
9 ga. 5.55
8 ga. 6.12
3/16" 6.88
6 ga. 7.36
5 ga. 7.89
1/4" 8.8
5/16" 10.58
3/8" 12.15
3-1/2" Sq. 14 ga. 3.8
13 ga. 4.32
12 ga. 4.92
11 ga. 5.6
10 ga. 5.98
9 ga. 6.55
8 ga. 7.24
3/16" 8.16
6 ga. 8.74
5 ga. 9.39
1/4" 10.5
5/16" 12.7
3/8" 15.94
4" Sq. 14 ga. 4.36
13 ga. 4.97
12 ga. 5.66
11 ga. 6.45
10 ga. 6.89
9 ga. 7.56
8 ga. 8.37
3/16" 9.44
6 ga. 10.12
5 ga. 10.88
1/4" 12.2
5/16" 14.84
3/8" 17.25
1/2" 21.61
4-1/2" Sq. 3/16" 10.71
6 ga. 11.5
5 ga. 12.38
1/4" 13.9
5/16" 16.96
3/8" 19.8
1/2" 25.01
5" Sq. 3/16" 11.99
6 ga. 12.88
5 ga. 13.88
1/4" 15.6
5/16" 19.09
3/8" 22.35
1/2" 28.41
5-1/2" Sq. 3/16" 13.27
6 ga. 14.26
5 ga. 15.37
1/4" 17.3
5/16" 21.22
3/8" 24.9
1/2" 31.81
6" Sq. 3/16" 14.55
6 ga. 15.64
5 ga. 16.87
1/4" 19
5/16" 23.35
3/8" 27.45
1/2" 35.21
7" Sq. 3/16" 17.11
6 ga. 18.4
5 ga. 19.86
1/4" 22.4
5/16" 27.6
3/8" 32.55
1/2" 42.01
8" Sq. 3/16" 19.66
6 ga. 21.16
5 ga. 22.85
1/4" 25.8
5/16" 31.86
3/8" 37.65
1/2" 48.81
9" Sq. 3/16" 22.22
6 ga. 23.92
5 ga. 25.84
1/4" 29.2
5/16" 36.12
3/8" 42.75
1/2" 55.6
10" Sq. 3/16" 24.77
6 ga. 26.68
5 ga. 28.83
1/4" 32.6
5/16" 40.37
3/8" 47.85
1/2" 62.4
12" Sq. 3/16" 29.84
1/4" 39.43
5/16" 48.6
3/8" 58.1
1/2" 76.07
14" Sq. 5/16" 57.36
3/8" 68.31
1/2" 89.68
16" Sq. 1/2" 103.3
O.D. Size Nominal Wall Thickness Lbs. per Ft.
1/2" x 1-1/2" 18 ga. 0.6337
16 ga. 0.827
15 ga. 0.909
14 ga. 1.035
13 ga. 1.169
12 ga. 1.321
11 ga. 1.436
1" x 1-1/2" 18 ga. 0.8003
16 ga. 1.048
15 ga. 1.154
14 ga. 1.317
13 ga. 1.492
12 ga. 1.691
11 ga. 1.844
10 ga. 2.047
3/16" 2.4
1" x 2" 18 ga. 0.9669
16 ga. 1.269
15 ga. 1.398
14 ga. 1.6
13 ga. 1.815
12 ga. 2.062
11 ga. 2.252
10 ga. 2.489
9 ga. 2.49
3/16" 3.04
1/4" 3.7
1" x 3" 18 ga. 1.3
16 ga. 1.71
15 ga. 1.89
14 ga. 2.16
13 ga. 2.46
12 ga. 2.8
11 ga. 3.07
10 ga. 3.24
9 ga. 3.54
8 ga. 3.88
3/16" 4.32
6 ga. 4.6
5 ga. 4.9
1/4" 5.4
1-1/4" x 1-3/4" 18 ga. 0.9669
16 ga. 1.269
15 ga. 1.398
14 ga. 1.6
13 ga. 1.815
12 ga. 2.062
11 ga. 2.252
10 ga. 2.489
9 ga. 2.49
3/16" 3.04
1/4" 3.7
1-1/4" x 3" 16 ga. 1.78
15 ga. 1.96
14 ga. 2.24
13 ga. 2.54
12 ga. 2.88
11 ga. 3.26
10 ga. 3.47
9 ga. 3.79
8 ga. 4.16
3/16" 4.64
6 ga. 4.94
5 ga. 5.28
1/4" 5.83
1-1/2" x 2" 18 ga. 1.134
16 ga. 1.49
15 ga. 1.643
14 ga. 1.882
13 ga. 2.138
12 ga. 2.433
11 ga. 2.66
3/16" 3.22
1-1/2" x 2-1/2" 18 ga. 1.3
16 ga. 1.71
15 ga. 1.89
14 ga. 2.16
13 ga. 2.46
12 ga. 2.8
11 ga. 3.07
10 ga. 3.24
9 ga. 3.54
8 ga. 3.88
3/16" 4.32
6 ga. 4.6
5 ga. 4.9
1/4" 5.4
1-1/2" x 3-1/2" 16 ga. 2.12
15 ga. 2.33
14 ga. 2.67
13 ga. 3.03
12 ga. 3.44
11 ga. 3.9
10 ga. 4.15
9 ga. 4.54
8 ga. 5
3/16" 5.6
6 ga. 5.98
5 ga. 6.4
1/4" 7.1
2" x 3" 16 ga. 2.12
15 ga. 2.33
14 ga. 2.67
13 ga. 3.03
12 ga. 3.44
11 ga. 3.9
10 ga. 4.15
9 ga. 4.54
8 ga. 5
3/16" 5.6
6 ga. 5.98
5 ga. 6.4
1/4" 7.1
2" x 4" 14 ga. 3.23
13 ga. 3.67
12 ga. 4.18
11 ga. 4.75
10 ga. 5.07
9 ga. 5.55
8 ga. 6.12
3/16" 6.88
6 ga. 7.36
5 ga. 7.89
1/4" 8.8
5/16" 10.58
3/8" 12.15
2" x 4-1/2" 14 ga. 3.51
13 ga. 4
12 ga. 4.55
11 ga. 5.18
10 ga. 5.52
9 ga. 6.05
8 ga. 6.68
3/16" 7.52
6 ga. 8.05
5 ga. 8.65
1/4" 9.65
2" x 5" 14 ga. 3.8
13 ga. 4.32
12 ga. 4.92
11 ga. 5.6
10 ga. 5.98
9 ga. 6.55
8 ga. 7.24
3/16" 8.16
6 ga. 8.74
5 ga. 9.39
1/4" 10.5
5/16" 12.7
3/8" 15.94
2" x 6" 14 ga. 4.36
13 ga. 4.97
12 ga. 5.66
11 ga. 6.45
10 ga. 6.89
9 ga. 7.56
8 ga. 8.37
3/16" 9.44
6 ga. 10.12
5 ga. 10.88
1/4" 12.2
5/16" 14.84
3/8" 17.25
1/2" 21.61
2" x 8" 3/16" 11.99
6 ga. 12.88
5 ga. 13.88
1/4" 15.6
5/16" 19.09
3/8" 22.35
1/2" 28.41
2" x 10" 3/16" 14.55
6 ga. 15.64
5 ga. 16.87
1/4" 19
5/16" 23.35
3/8" 27.45
1/2" 35.21
2" x 12" 3/16" 17.11
6 ga. 18.4
5 ga. 19.86
1/4" 22.4
5/16" 27.6
3/8" 32.55
1/2" 42.01
2-1/16" x 2-1/8" 16 ga. 1.76
15 ga. 1.93
14 ga. 2.21
13 ga. 2.5
12 ga. 2.84
11 ga. 3.21
10 ga. 3.41
9 ga. 3.72
8 ga. 4.09
3/16" 4.56
6 ga. 4.86
5 ga. 5.18
1/4" 5.72
2-1/2" x 3" 14 ga. 2.95
13 ga. 3.35
12 ga. 3.81
11 ga. 4.33
10 ga. 4.61
9 ga. 5.04
8 ga. 5.56
3/16" 6.24
6 ga. 6.67
5 ga. 7.15
1/4" 7.95
2-1/2" x 3-1/2" 14 ga. 3.23
13 ga. 3.67
12 ga. 4.18
11 ga. 4.75
10 ga. 5.07
9 ga. 5.55
8 ga. 6.12
3/16" 6.88
6 ga. 7.36
5 ga. 7.89
1/4" 8.8
5/16" 10.58
3/8" 12.15
3" x 4" 14 ga. 3.8
13 ga. 4.32
12 ga. 4.92
11 ga. 5.6
10 ga. 5.98
9 ga. 6.55
8 ga. 7.24
3/16" 8.16
6 ga. 8.74
5 ga. 9.39
1/4" 10.5
5/16" 12.7
3/8" 15.94
3" x 5" 14 ga. 4.36
13 ga. 4.97
12 ga. 5.66
11 ga. 6.45
10 ga. 6.89
9 ga. 7.56
8 ga. 8.37
3/16" 9.44
6 ga. 10.12
5 ga. 10.88
1/4" 12.2
5/16" 14.84
3/8" 17.25
1/2" 21.61
3" x 6" 3/16" 10.71
6 ga. 11.5
5 ga. 12.38
1/4" 13.9
5/16" 16.96
3/8" 19.8
1/2" 25.01
3" x 7" 3/16" 11.99
6 ga. 12.88
5 ga. 13.88
1/4" 15.6
5/16" 19.09
3/8" 22.35
1/2" 28.41
3" x 8" 3/16" 13.27
6 ga. 14.26
5 ga. 15.37
1/4" 17.3
5/16" 21.22
3/8" 24.9
1/2" 31.81
4" x 6" 3/16" 11.99
6 ga. 12.88
5 ga. 13.88
1/4" 15.6
5/16" 19.09
3/8" 22.35
1/2" 28.41
4" x 7" 3/16" 13.27
6 ga. 14.26
5 ga. 15.37
1/4" 17.3
5/16" 21.22
3/8" 24.9
1/2" 31.81
4" x 8" 3/16" 14.55
6 ga. 15.64
5 ga. 16.87
1/4" 19
5/16" 23.35
3/8" 27.45
1/2" 35.21
4" x 10" 3/16" 17.11
6 ga. 18.4
5 ga. 19.86
1/4" 22.4
5/16" 27.6
3/8" 32.55
1/2" 42.01
4" x 12" 3/16" 19.66
6 ga. 21.16
5 ga. 22.85
1/4" 25.8
5/16" 31.86
3/8" 37.65
1/2" 48.81
4" x 16" 3/16" 24.77
6 ga. 26.68
5 ga. 28.83
1/4" 32.6
5/16" 40.37
3/8" 47.85
1/2" 62.4
5" x 7" 3/16" 14.55
6 ga. 15.64
5 ga. 16.87
1/4" 19
5/16" 23.35
3/8" 27.45
1/2" 35.21
6" x 8" 3/16" 17.11
6 ga. 18.4
5 ga. 19.86
1/4" 22.4
5/16" 27.6
3/8" 32.55
1/2" 42.01
6" x 10" 3/16" 19.66
6 ga. 21.16
5 ga. 22.85
1/4" 25.8
5/16" 31.86
3/8" 37.65
1/2" 48.81
6" x 12" 3/16" 22.22
6 ga. 23.92
5 ga. 25.84
1/4" 29.2
5/16" 36.12
3/8" 42.75
1/2" 55.6
8" x 10" 3/16" 22.22
6 ga. 23.92
5 ga. 25.84
1/4" 29.2
5/16" 36.12
3/8" 42.75
1/2" 55.6
8" x 12" 3/16" 24.77
6 ga. 26.68
5 ga. 28.83
1/4" 32.6
5/16" 40.37
3/8" 47.85
1/2" 62.4
8" x 16" 3/16" 29.84
1/4" 39.43
5/16" 48.6
3/8" 58.1
1/2" 76.07
8" x 20" 5/16" 57.36
3/8" 68.31
1/2" 89.68
10" x 14" 3/16" 29.84
1/4" 39.43
5/16" 48.6
3/8" 58.1
1/2" 76.07
12" x 20" 1/2" 103.3