SQUARE TUBING MECHANICAL AND STRUCTURAL

ERW — Electric Resistance Welded, A-513 Str — Structural, A-500 Grade B

SQUARE TUBING MECHANICAL AND STRUCTURAL 3/8 x 3/8 - 3/4 x 3/4

Outside
Diameter
(OD) and Ga.
Inches
Wall
Dec-In.
Inside
Diameter
(ID)
Weight
Lbs/Ft
A513
ERW
A500
Str
   3/8 x 3/8
20
0.035
0.305
0.1618
X
—
18
0.049
0.277
0.2172
X
—
   1/2 x 1/2
20
0.035
0.430
0.2213
X
—
18
0.049
0.402
0.3005
X
—
16
0.065
0.370
0.3845
X
—
   5/8 x 5/8
20
0.035
0.555
0.2808
X
—
18
0.049
0.527
0.3838
X
—
16
0.065
0.495
0.4950
X
—
   3/4 x 3/4
20
0.035
0.680
0.3403
X
—
18
0.049
0.652
0.4671
X
—
16
0.065
0.620
0.6055
X
—
15
0.072
0.606
0.6638
—
—
14
0.083
0.584
0.7528
X
—
11
0.120
0.510
1.0280
X
—

NOTE: A-500 Grade B square and rectangular tubing is stocked in 20′, 24′, 40′, 48′ lengths.

SQUARE TUBING MECHANICAL AND STRUCTURAL 1 x 1 - 1-1/2 x 1-1/2

Outside
Diameter
(OD) and Ga.
Inches
Wall
Dec-In.
Inside
Diameter
(ID)
Weight
Lbs/Ft
A513
ERW
A500
Str
   1 x 1
18
0.049
0.902
0.633
X
—
16
0.065
0.870
0.826
X
—
15
0.072
0.856
0.908
X
—
14
0.083
0.834
1.035
X
—
13
0.095
0.810
1.169
X
—
12
0.109
0.782
1.321
X
—
11
0.120
0.750
1.436
X
X
   1-1/4 x 1-1/4
16
0.065
1.120
1.048
X
—
15
0.072
1.106
1.153
—
—
14
0.083
1.084
1.317
X
—
13
0.095
1.060
1.492
X
—
12
0.109
1.032
1.328
X
—
11
0.120
1.010
1.844
X
—
10
0.135
0.980
1.890
X
—
3/16
0.188
0.875
2.400
—
—
   1-1/2 x 1-1/2
18
0.049
1.402
0.967
X
—

SQUARE TUBING MECHANICAL AND STRUCTURAL 2 x 2 - 3 x 3

Outside
Diameter
(OD) and Ga.
Inches
Wall
Dec-In.
Inside
Diameter
(ID)
Weight
Lbs/Ft
A513
ERW
A500
Str
   2 x 2
18
0.049
1.902
1.300
X
—
16
0.065
1.870
1.711
X
—
14
0.083
1.834
2.164
X
—
13
0.095
1.810
2.461
X
—
11
0.120
1.750
3.050
—
X
3/16
0.188
1.625
4.320
—
X
1/4
0.250
1.500
5.410
—
X
   2-1/2 x 2-1/2
14
0.083
2.334
2.728
X
—
1/8
0.125
2.250
3.900
—
X
3/16
0.188
2.124
5.590
—
X
1/4
0.250
2.000
7.110
—
X
5/16
0.313
1.874
8.940
—
X
   3 x 3
14
0.083
2.834
3.293
X
—
1/8
0.125
2.760
4.750
—
X

SQUARE TUBING STRUCTURAL 4 x 4 - 9 x 9

Outside
Diameter
(OD) and Ga.
Inches
Wall
Dec-In.
Inside
Diameter
(ID)
Weight
Lbs/Ft
A500
Str
   4 x 4
1/8
0.125
3.760
6.460
X
3/16
0.188
3.625
9.420
X
1/4
0.250
3.500
12.210
X
5/16
0.313
3.374
14.830
X
3/8
0.375
3.250
17.270
X
1/2
0.500
3.000
21.630
X
   4-1/2 x 4-1/2
3/16
0.188
4.125
10.700
X
1/4
0.250
4.000
13.910
X
   5 x 5
11 ga
0.120
4.760
7.800
X
3/16
0.188
4.625
11.970
X
1/4
0.250
4.500
15.620
X
5/16
0.313
4.374
19.080
X
3/8
0.375
4.250
22.370
X
1/2
0.500
4.000
28.430
X
   6 x 6
3/16
0.188
5.625
14.530
X
1/4
0.250
5.500
19.020
X
5/16
0.313
5.375
23.340
X
3/8
0.375
5.250
27.480
X
1/2
0.500
5.000
35.240
X
3/4
0.750
4.500
53.550
X
   7 x 7
3/16
0.188
6.625
17.080
X
1/4
0.250
6.500
22.420
X
5/16
0.313
6.374
27.590
X
3/8
0.375
6.250
32.580
X
1/2
0.500
6.000
42.050
X
   8 x 8
3/16
0.188
7.625
19.630
X
1/4
0.250
7.500
25.820
X
5/16
0.313
7.384
31.840
X
3/8
0.375
7.250
37.690
X
1/2
0.500
7.000
48.850
X
5/8
0.625
6.750
59.320
X
   9 x 9
1/4
0.250
8.500
29.230
X
3/8
0.375
8.250
42.790
X

SQUARE TUBING STRUCTURAL 10 x 10 - 16 x 16

Outside
Diameter
(OD) and Ga.
Inches
Wall
Dec-In.
Inside
Diameter
(ID)
Weight
Lbs/Ft
A500
Str
   10 x 10
3/16
0.188
9.624
24.730
X
1/4
0.250
9.500
32.630
X
3/8
0.375
9.250
47.900
X
1/2
0.500
9.000
62.460
X
5/8
0.625
8.750
76.330
X
   12 x 12
1/4
0.250
11.500
39.440
X
5/16
0.313
11.384
48.950
X
3/8
0.375
11.250
58.100
X
1/2
0.500
11.000
76.070
X
5/8
0.625
10.750
93.340
X
   14 x 14
5/16
0.313
13.374
57.360
X
3/8
0.375
13.250
68.670
X
1/2
0.500
13.000
89.680
X
   16 x 16
5/16
0.313
15.374
65.87
X
3/8
0.375
15.250
78.520
X
1/2
0.500
15.000
103.300
X