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                         Rectangular Hollow Section

 ASTM A 500 Grades A and B / Manufacturer's Standard
Nominal Size
Dimensions
Area
Moment of Inertia
Section Modulus
Radius of Gyration
Plastic Modulus
Wall Thinkness
Calculated Weight
Ix
Iy
zx
zy
ix
iy
Sx
Sy
mm
in
mm
in
Kg/m
Kg/6m
Kg/ft
in²
in4
in4
in³
in³
in
in
in³
in³
38 x 19
1 1/2
x
3/4
1.0
0.039
0.857
5.142
0.261
0.167
0.0499
0.0168
0.0668
0.0448
0.5412
0.3136
0.0824
0.0506
1.2
0.047
1.020
6.120
0.311
0.197
0.0588
0.0196
0.0786
0.0524
0.5380
0.3105
0.0976
0.0596
1.5
0.059
1.260
7.560
0.384
0.242
0.0714
0.0235
0.0954
0.0628
0.5332
0.3058
0.1195
0.0726
50 x 25
2x1
1.0
0.039
1.140
6.840
0.347
0.222
0.1164
0.0395
0.1183
0.0802
0.7172
0.4177
0.1451
0.0894
1.2
0.047
1.360
8.160
0.415
0.264
0.1377
0.0464
0.1399
0.0943
0.7139
0.4145
0.1723
0.1058
1..5
0.059
1.690
10.140
0.515
0.326
0.1684
0.0562
0.1710
0.1142
0.7091
0.4098
0.2121
0.1297
2.3
0.091
2.500
15.000
0.762
0.481
0.2435
0.0792
0.2474
0.1610
0.6964
0.3973
0.3120
0.1885
3.0
0.120
3.190
19.140
0.972
0.606
0.3016
0.0960
0.3064
0.1951
0.6856
0.3868
0.3923
0.2344
65 x 38
2 1/2
x
1 1/2
1.5
0.059
2.330
13.980
0.710
0.456
0.4193
0.1819
0.3277
0.2431
0.9496
0.6254
0.3968
0.2732
1.9
0.075
2.900
17.400
0.884
0.570
0.5198
0.2239
0.4063
0.2994
0.9432
0.6191
0.4951
0.3399
2.3
0.091
3.480
20.880
1.601
0.680
0.6159
0.2635
0.4813
0.3523
0.9369
0.6129
0.5904
0.4040
3.0
0.120
4.390
26.340
1.338
0.866
0.7735
0.3270
0.6045
0.4372
0.9260
0.6021
0.7500
0.5102
75 x 38
3
x
1 1/2
1.5
0.059
2.570
15.420
0.783
0.503
0.5941
0.2059
0.4024
0.2752
1.0778
0.6345
0.4929
0.3066
1.9
0.075
3.180
19.080
0.969
0.629
0.7382
0.2537
0.5000
0.3392
1.0713
0.6281
0.6160
0.3817
2.3
0.091
3.810
22.860
1.161
0.752
0.8764
0.2988
0.5936
0.3994
1.0649
0.6217
0.7356
0.4541
3.0
0.120
4.860
29.160
1.481
0.959
1.1049
0.3713
0.7484
0.4963
1.0537
0.6108
0.9367
0.5743
75 x 50
3x2
1.9
0.075
3.540
21.240
1.079
0.699
0.8846
0.4713
0.5991
0.4788
1.1131
0.8125
0.7177
0.5420
2.3
0.091
4.240
25.440
1.292
0.837
1.0517
0.5580
0.7124
0.5670
1.1069
0.8062
0.8580
0.6468
3.0
0.120
5.420
32.520
1.652
1.071
1.3293
0.7002
0.9004
0.7114
1.0959
0.7954
1.0949
0.8225
4.0
0.156
7.020
42.120
2.140
1.387
1.6941
0.8831
1.1475
0.8973
1.0806
0.7802
1.4144
1.0574
4.5
0.177
7.790
46.740
2.374
1.537
1.8632
0.9663
1.2620
0.9817
1.0370
0.7727
1.5661
1.1679
5.0
0.197
8.520
51.120
2.600
1.683
2.0239
1.0441
1.3708
1.0608
1.0656
0.7653
1.7125
1.2739
6.0
0.236
9.920
59.520
3.023
1.958
2.3208
1.1849
1.5720
1.2038
1.0508
0.7508
1.9898
1.4726
100x50
4x2
1.9
0.075
4.290
25.740
1.308
0.847
1.7757
0.6034
0.9021
0.6130
1.4360
0.8371
1.1052
0.6814
2.3
0.091
5.140
30.840
1.567
1.016
2.1185
0.7153
1.0762
0.7267
1.4295
0.8206
1.3243
0.8141
3.0
0.120
6.600
39.600
2.012
1.303
2.6937
0.8995
1.3684
0.9139
1.4182
0.8195
1.6967
1.0376
4.0
0.156
8.590
51.540
2.618
1.697
3.4626
1.1380
1.7590
1.1562
1.4023
0.8039
2.2047
1.3381
125x50
5x2
2.3
0.091
6.046
36.276
1.843
1.194
3.6874
0.8726
1.4986
0.8865
1.7421
0.8475
1.8784
0.9815
3.0
0.120
7.780
46.680
2.371
1.536
4.7068
1.0988
1.9128
1.1163
1.7305
0.8361
2.4130
1.2528
4.0
0.156
10.200
61.200
3.109
2.007
6.0841
1.3928
2.4726
1.4151
1.7141
0.8201
3.1475
1.6188
4.5
0.177
11.300
67.800
3.444
2.235
6.7389
1.5276
2.7387
1.5521
1.7059
0.8122
3.5021
1.7926
5.0
0.197
12.400
74.400
3.799
2.458
7.3720
1.6547
2.9960
1.6812
1.6978
0.8044
3.8483
1.9604
6.0
0.236
14.600
87.600
4.450
2.888
8.5742
1.8869
3.4846
1.9171
1.6817
0.7889
4.5162
2.2781
150x50
6x2
3.0
0.120
8.960
52.760
2.731
1.768
7.4812
1.2981
2.5336
1.3188
2.0363
0.8482
3.2437
1.4679
4.0
0.156
11.700
70.200
3.566
2.317
9.7085
1.6476
3.2880
1.6740
2.0794
0.8319
4.2429
1.8995
4.5
0.177
13.100
78.600
3.993
2.584
10.7748
1.8083
3.6491
1.8372
2.0109
0.8238
4.7275
2.1050
5.0
0.197
14.400
86.400
4.389
2.845
11.8103
1.9600
3.9998
1.9914
2.0026
0.8158
5.2023
2.3036
6.0
0.236
17.000
102.00
5.181
3.353
13.7911
2.2379
4.6706
2.2737
1.9859
0.8000
6.1226
2.6809
100x75
4x3
3.0
0.120
7.780
46.680
2.371
1.536
3.5416
2.2689
1.7992
1.5334
1.5011
1.2002
2.1407
1.7539
4.0
0.156
10.200
61.200
3.109
2.007
4.5704
2.9065
2.3217
1.9687
1.4856
1.1847
2.7905
2.2809
4.5
0.177
11.300
67.800
3.444
2.235
5.0581
3.2084
2.5695
2.1732
1.4779
1.1771
3.1039
2.5341
5.0
0.197
12.400
74.400
3.779
2.458
5.5288
3.4979
2.8086
2.3692
1.4703
1.1695
3.4097
2.7804
6.0
0.236
14.600
87.600
4.450
2.888
6.4202
4.0409
3.2614
2.7370
1.4552
1.1546
3.9990
3.2530
125x75
5x3
3.0
0.120
8.960
53.760
2.731
1.768
6.0480
2.7312
2.4579
1.8499
1.8309
1.2304
2.9713
2.0834
4.0
0.156
11.700
70.200
3.566
2.317
7.8435
3.5127
3.1876
2.3793
1.8151
1.2147
3.8859
2.7142
4.5
0.177
13.100
78.600
3.993
2.584
8.7021
3.8810
3.5356
2.6287
1.8072
1.2069
4.3293
3.0181
5.0
0.197
14.400
86.400
4.389
2.845
9.5355
4.2349
3.8752
2.8685
1.7994
1.1992
4.7637
3.3144
6.0
0.236
17.000
102.000
5.181
3.353
11.1280
4.9009
4.5224
3.3196
1.7839
1.1839
5.6055
3.8846
150x75
6x3
3.0
0.120
10.100
60.600
3.078
2.001
9.4283
3.1985
3.1930
2.1665
2.1516
1.2532
3.9164
2.4130
4.0
0.156
13.300
79.800
4.054
2.627
12.2698
4.1189
4.1554
2.7899
2.1354
1.2372
2.1338
3.1475
4.5
0.177
14.900
89.400
4.541
2.932
13.6367
4.5536
4.6183
3.0843
2.1274
1.2293
5.7264
3.5021
5.0
0.197
16.400
98.400
4.998
3.233
14.9686
4.9719
5.0694
3.3677
2.1194
1.2215
6.3038
3.8483
6.0
0.236
19.300
115.800
5.882
3.818
17.5296
5.7610
5.9367
3.9021
2.1035
1.2095
7.4407
4.5162
9.0
0.354
27.600
165.600
8.412
5.452
24.4309
7.7753
8.2739
5.2665
2.0268
1.1603
10.5927
6.3294
150x100
6x4
3.0
0.120
11.311
67.866
3.447
2.233
11.3754
6.0855
3.8525
3.0915
2.2390
1.6376
4.5892
3.4725
4.0
0.156
14.900
89.400
4.541
2.937
14.8310
7.8935
5.0228
4.0099
2.2231
1.6219
6.0248
4.5480
4.5
0.177
16.600
99.600
5.059
3.281
16.4986
8.7584
5.5875
4.4493
2.2153
1.6141
6.7253
5.0708
5.0
0.197
18.300
109.800
5.578
3.620
18.1269
9.5980
6.1390
4.8758
2.2074
1.6063
7.4144
5.5837
6.0
0.236
21.700
130.200
6.614
4.283
21.2681
11.203
17.2028
5.6912
2.1919
1.5908
8.7589
6.5803
9.0
0.354
31.100
186.600
9.479
6.150
29.8117
15.4600
10.0932
7.8537
2.1461
1.5455
12.5287
9.3432
200x100
8x4
4.0
0.156
18.000
108.000
5.486
3.557
29.7980
10.1089
7.5687
5.1353
2.8687
1.6709
9.2834
5.1960
4.5
0.177
20.200
121.200
6.157
3.979
33.2194
11.2253
8.4377
5.7025
2.8606
1.6629
10.3775
6.3820
5.0
0.197
22.300
133.800
6.797
4.395
36.5762
12.3109
9.2904
6.2539
2.8526
1.6549
11.4572
7.0330
6.0
0.236
26.400
158.400
8.046
5.213
43.0988
14.3917
10.9471
7.3110
2.8365
1.6391
13.5736
8.3012
9.0
0.354
38.400
229.200
11.643
7.545
61.1954
19.9510
15.5436
10.1351
2.7889
1.5924
19.5861
11.8421
12.0
0.472
49.100
294.600
14.965
9.693
77.2137
24.5737
19.6123
12.4834
2.7423
1.5471
25.1086
15.0031
200x150
8x6
4.5
0.177
23.7000
142.200
7.223
4.676
43.5515
27.9461
11.0621
9.4944
3.0258
2.4238
13.0618
10.7208
5.0
0.197
26.200
157.200
7.985
5.170
47.9981
30.7601
12.1915
10.4174
3.0179
2.4160
14.4321
11.8386
6.0
0.236
31.100
186.600
9.479
6.143
56.6662
36.2223
14.3932
12.2673
3.0023
2.4003
17.1252
14.0313
9.0
0.354
45.300
271.800
13.807
8.940
80.9303
51.3348
20.5563
17.3854
2.9559
2.3542
24.8310
20.2726
12.0
0.472
58.500
351.000
17.830
11.553
102.7225
64.6543
26.0915
21.8963
2.9104
2.3090
31.9921
26.0239
250x150
10x6
6.0
0.236
35.800
214.800
10.911
7.073
96.7680
43.6994
19.6633
14.7995
3.6618
2.4607
23.7707
16.6675
9.0
0.354
52.300
313.800
15.940
10.335
139.2342
62.0963
28.2924
21.0300
3.6144
2.4138
34.6345
24.1445
12.0
0.472
67.900
407.400
20.695
13.413
178.0479
78.4149
36.1794
26.5565
3.5678
2.3677
44.8437
31.0767
300x200
12x8
6.0
0.236
45.200
271.200
13.776
8.933
182.0061
97.3686
30.8197
24.7316
4.4779
3.2752
36.7138
27.7800
9.0
0.354
66.500
399.000
20.268
13.125
263.9778
140.1351
44.7002
35.3943
4.4305
3.2281
53.8021
40.5660
12.0
0.472
86.800
520.800
26.455
17.133
340.2904
179.2492
57.6225
45.5293
1.3838
3.1817
70.0709
52.6425

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