Specifications for
Mechanical and Structural Tubing-Square

SQUARE TUBE TABLES

Dimension
Inches

Wall
Thickness
(t) 

 Area
(A)
in. 2 

 

*
Weight
Lb./Ft. 

Mom. of
Inertia
(l) in. 4 

Section
Modulus
(Z) in. 3 

 Radius
of
Gyration
(r) in.

Outside Inside  B.W.G. &
inch 
 1.500
(1-1/2)
 1.370
1.334
1.310
1.282
1.260
1.232
16 (.065)
14 (.083)
13 (.095)
12 (.109)
1 1(.120)
10 (.134) 
.3731
.4704
.5339
.6065
.6624
.7322
1.2685
1.5995
1.8153
2.0620
2.2522
2.4894
 .1283
.1580
.1765
.1968
.2118
.2299
 .1711
.2106
.2353
2624
.2824
.3065
 .5864
.5796
.5750
.5696
.5655
.5603
 1.750
(1-3/4)
1.620
1.584
1.560
1.532
1.510
1.482
16 (.065)
14 (.083)
13 (.095)
12 (.109)
11 (.120)
10 (.134) 
.4381
.5534
.6289
.7155
.7824
.8662
1.4895
1.8817
2.1383
2.4326
2.6602
2.9450
.2076
.2569
.2880
.3225
.3483
.3796 
 .2373
.2937
.3292
3686
.3981
.4338
.6884
.6813
.6767
.6714
.6672
.6620 
2.000
(2)
 1.870
1.834
1.810
1.782
1.760
1.732
1.640
1.524
16 (.0651
14 (.083)
13 (.095)
12 (.109)
11 (.120)
10 (.134)
7 (.180)
4 (.238) 
 .5031
.6364
.7239
.8245
.9024
1.0002 1.3104 1.6774
 1.7105
2.1639
2.4613
2.8032
3.0682
3.4006
4.4554
5.7032
.3143
.3905
.4389
.4930
.5337
.5834
.7305
.8838
.3143
.3905
.4389
.4930
.5337
.5834
.7305
.8838
.7904
.7833
.7787
.7733
.7690
.7637
.7466
.7259 
2.125
(2-l/8) 
1.959
1.935
1.907
1.885
1.857
1.765
1.649
14 (.083)
13 (.095)
12 (.109)
11 (.120)
10 (.134)
7 (.180)
4 (.238) 
 .6779
.7714
.8790
.9624
1.0672
1.4004
1.7964
2.3050
2.6228
2.9885
3.2722
3.6284
4.7614
6.1078
.4719
.5310
.5971
.6471
.7083
.8905
1.0830
 .4441
.4997
.5620
.6091
.6666
.8381
1.0193
 .8543
.8297
.8242
.8200
.8147
.7974
.7765

2.250
2-1/4

2.084
2.060
2.032
2.010
1.982

14 (.083)
13 (.095)
12 (.109)
11 (.120)
10 (.134)

0.7194
0.8189
0.9334
1.0224
1.1341

2.4461
2.7843
3.1738
3.4762
3.8562

0.5639
0.6351
0.7150
0.7755
0.8498

0.5012
0.5645
0.6356
0.6894
0.7553

0.8853
0.8806
0.8751
0.8709
0.8655

2.500
(2-1/2) 
2.334
2.310
2.282
2.260
2.232
2.140
2.024
 14 (.083)
13 (.095)
12 (.109)
11 (.120)
10 (.134)
7 (.180)
4 (.238)
.8024
.9139
1.0425
1.1424
1.2682
1.6704
2.1534
2 7283
3.1073
3.5444
3.8842
4.3118
5.6794
7.3216
  .7822
.8824
.9954
1.0812
1.1870
1.5075
1.8567
 .6257
.7059
.7963
.8650
.9496
1.2060
1.4854
 .9873
.9826
.9772
.9729
.9675
.9500
.9286
3.000
(3) 
2.834
2.810
2.782
2.760
2.732
2.640
2.524
14 (.083)
13 (.095)
12 (.109)
11 (.120)
10 (.134)
7 (.180)
4 (.238) 
.9684
1.1039
1.2605
1.3824
1.5362
2.0304
2.6294
3.2927
3.7533
4.2856
4.7002
5.2230
6.9034
8.9400
 1.3745
1.5543
1 .7583
1.9143
2.1076
2.7021
3.3680
 .9163
1.0362
1.1722
1.2762
1.4051
1.8014
2.2453
1.1914
1.1866
1.1811
1.1768
1.1713
1.1536
1.1318 
3.500
(3-1/2) 
3.334
3.310
3.282
3.260
3.232
3.140
3.024
14 (.083)
13 (.095)
12 (.109)
11 (.120)
10 (.134)
7 (.180)
4 (.238) 
 1.1344
1.2939
1.4785
1.6224
1.8042
2.3904
3.1054
3.8571
4.3993
5.0268
5.5162
6.1342
8.1274
10.5584 
 2.2088
2.5022
2.8364
3.0931
3.4123
4.4042
5.5366
1.2622
1.4298
1.6208
1.7675
1.9499
2.5167
3.1638 
 1.3954
1.3906
1.3851
1.3808
1.3753
1.3574
1.3353
4.000
(4)

3.834
3.810
3.782
3.760
3.732
3.640
3.524

14 (.083)
13 (.095)
12 (.109)
11 (.120)
10 (.134)
7 (.180)
4 (.238)

1.3004
1.4839
1.6965
1.8624
2.0722
2.7504
3.5814

4.4215
5.0453
5.7680
6.3322
7.0454
9.3514
12.1768

3.3268
3.7736
4.2842
4.6774
5.1680
6.7040
8.4815

1.6634
1.8868
2.1421
2.3387
2.5840
3.3520
4.2408

1.5995
1.5947
1.5891
1.5848
1.5792
1.5612
1.5389

* Note: Actual weight will vary from chart theoretical weight.

Rectangular Tubing