Table 2.3.1 Dimensions and Primary Properties -- Steel Sections 1887-1952
Designation CB125N
Area
Depth
A
d
tw
bf
tf
T
k
in.2 39.10
in. 13.38
in. 0.760
in. 12.365
in. 1.236
in. 9.583
in. 1.899
5.00
12.6
ksi -
132.5 130.0 126.5 126.5 126.0 126.0 125.5 120.0 120.0 120.0 119.5 119.5 118.6 118.5 113.0 113.0 113.0 113.0 112.1 112.0 110.0 106.0 106.0 106.0 106.0 105.2 105.0 102.0 100.0 99.5 99.5 99.0 99.0
38.97 38.24 37.21 36.94 37.04 37.04 36.91 35.31 35.28 35.26 35.16 34.87 34.87 34.87 33.25 33.24 33.21 32.96 32.96 32.96 32.34 31.23 31.19 31.15 30.94 30.94 30.94 29.99 29.41 29.21 28.92 29.09 29.09
13.00 12.00 12.88 12.88 13.25 13.25 12.88 13.12 12.00 13.12 12.75 12.75 12.75 12.75 12.63 13.00 13.00 12.63 16.63 12.63 12.00 12.50 12.88 12.88 12.50 12.50 12.50 12.00 12.00 12.38 12.38 12.75 12.75
0.780 1.131 0.740 0.740 0.726 0.720 0.740 0.710 0.885 0.713 0.700 0.700 0.700 0.700 0.670 0.665 0.669 0.670 0.670 0.670 0.640 0.630 0.620 0.623 0.630 0.630 0.630 0.943 1.121 0.590 0.590 0.586 0.580
12.310 12.491 12.270 12.270 12.331 12.330 12.270 12.320 12.245 12.318 12.230 12.230 12.230 12.230 12.200 12.275 12.274 12.200 12.200 12.200 12.000 12.160 12.230 12.228 12.160 12.160 12.160 12.490 10.613 12.120 12.120 12.191 12.190
1.250 1.075 1.188 1.188 1.171 1.171 1.188 1.106 1.075 1.106 1.125 1.125 1.125 1.125 1.063 1.046 1.046 1.063 1.063 1.063 1.075 1.000 0.986 0.986 1.000 1.000 1.000 0.800 0.830 0.938 0.938 0.921 0.921
9.256 8.525 9.257 9.257 9.583 9.583 9.257 9.583 8.525 9.583 9.256 9.256 9.256 9.256 9.257 9.583 9.583 9.257 13.257 9.257 8.525 9.256 9.583 9.583 9.256 9.256 9.256 9.175 9.115 9.257 9.257 9.583 9.583
1.872 1.738 1.809 1.809 1.834 1.834 1.809 1.769 1.738 1.769 1.747 1.747 1.747 1.747 1.684 1.709 1.709 1.684 1.684 1.684 1.738 1.622 1.649 1.649 1.622 1.622 1.622 1.413 1.443 1.559 1.559 1.584 1.584
4.92 5.81 5.17 5.17 5.27 5.26 5.17 5.57 5.70 5.57 5.44 5.44 5.44 5.44 5.74 5.87 5.87 5.74 5.74 5.74 5.58 6.08 6.20 6.20 6.08 6.08 6.08 7.81 6.39 6.46 6.46 6.62 6.62
11.9 7.5 12.5 12.5 13.2 13.3 12.5 13.5 9.6 13.4 13.2 13.2 13.2 13.2 13.8 14.4 14.3 13.8 19.8 13.8 13.3 14.7 15.5 15.4 14.7 14.7 14.7 9.7 8.1 15.7 15.7 16.4 16.5
-
98.5 98.3 95.0 92.5 92.5 92.0 92.0 91.5 91.0 88.0 85.5 85.5 85.0 85.0 84.7 84.5 83.0 82.0 79.0 79.0 79.0 79.0 78.0 76.0 75.0 73.4 72.5 72.5 72.0 72.0 71.5
28.92 28.92 27.93 27.21 26.92 27.06 27.04 26.92 26.76 25.88 25.21 24.92 24.98 24.98 24.92 24.92 24.41 24.11 23.23 23.22 23.22 22.94 22.94 22.35 22.05 21.60 21.25 20.96 21.15 21.16 20.96
12.38 12.38 12.00 12.25 12.25 12.62 12.62 12.25 12.00 12.00 12.13 12.13 12.50 12.50 12.13 12.13 12.00 12.00 12.00 12.38 12.38 12.00 12.00 12.00 12.00 12.00 11.88 11.88 12.25 12.25 11.88
0.590 0.590 0.771 0.550 0.550 0.545 0.549 0.550 0.900 0.600 0.510 0.510 0.501 0.495 0.510 0.510 0.704 0.453 0.470 0.476 0.470 0.470 0.470 0.670 0.508 0.470 0.430 0.430 0.436 0.430 0.430
12.120 12.120 12.318 12.080 12.080 12.155 12.154 12.080 10.392 12.147 12.040 12.040 12.106 12.105 12.040 12.040 10.196 12.000 12.000 12.081 12.080 12.000 12.000 12.270 10.000 11.040 11.960 11.960 12.041 12.040 11.960
0.938 0.938 0.800 0.875 0.875 0.856 0.856 0.875 0.830 0.800 0.813 0.813 0.796 0.796 0.813 0.813 0.830 0.800 0.750 0.736 0.736 0.750 0.750 0.608 0.830 0.755 0.688 0.688 0.671 0.671 0.688
9.257 9.257 9.175 9.256 9.256 9.583 9.583 9.256 9.115 9.275 9.257 9.257 9.583 9.583 9.257 9.257 9.115 9.175 9.256 9.583 9.583 9.256 9.256 9.559 9.115 9.256 9.257 9.257 9.583 9.583 9.257
1.559 1.559 1.413 1.497 1.497 1.519 1.519 1.497 1.443 1.363 1.434 1.434 1.459 1.459 1.434 1.434 1.443 1.413 1.372 1.399 1.399 1.372 1.372 1.221 1.443 1.372 1.309 1.309 1.334 1.334 1.309
6.46 6.46 7.70 6.90 6.90 7.10 7.10 6.90 6.26 7.59 7.41 7.41 7.60 7.60 7.41 7.41 6.14 7.50 8.00 8.21 8.21 8.00 8.00 10.09 6.02 7.31 8.70 8.70 8.97 8.97 8.70
15.7 15.7 11.9 16.8 16.8 17.6 17.5 16.8 10.1 15.5 18.2 18.2 19.1 19.4 18.2 18.2 12.9 20.3 19.7 20.1 20.4 19.7 19.7 14.3 17.9 19.7 21.5 21.5 22.0 22.3 21.5
-
70.0 70.0 70.0 67.1 66.0 65.5 65.5 65.0 65.0 65.0
20.59 20.58 20.30 19.74 19.41 19.29 19.00 19.11 19.11 19.09
12.00 12.00 12.00 11.88 12.26 11.75 11.75 12.00 12.12 12.12
0.470 0.523 0.470 0.430 0.448 0.390 0.390 0.400 0.390 0.395
10.120 12.123 10.120 11.000 9.073 11.920 11.920 12.000 12.000 12.000
0.760 0.608 0.760 0.692 0.795 0.625 0.625 0.608 0.606 0.606
9.256 9.559 9.256 9.257 9.445 9.256 9.256 9.559 9.583 9.583
1.372 1.221 1.372 1.309 1.408 1.247 1.247 1.221 1.269 1.269
6.66 9.97 6.66 7.95 5.71 9.54 9.54 9.87 9.90 9.90
19.7 18.3 19.7 21.5 21.1 23.7 23.7 23.9 24.6 24.3
-
Source Reference Wt. per ft Number lb 11 133.0
H12 CB125 H12 H12 CB125N H12 H12 12WF CB125 CB125N H12 H12 H12 H12 H12 H12 CB125N H12 H12 H12 CB125 H12 12WF CB125N H12 H12 H12 CB124C CB124 H12 H12 CB125N 12WF
12
H12 H12 CB124C H12 H12 12WF CB125N H12 CB124 CB124C H12 H12 CB125N 12WF H12 H12 CB124 CB124C H12 CB125N 12WF H12 H12 CB124B CB124 H12s H12 H12 CB125N 12WF H12
2
H12/10 CB124B H12/10 H12s CB123B H12 H12 CB124B 12WF CB125N
5
9 5 4 11 6 12 6 7 8 12 13 9 11 5 4 1 2 5 6 11 4 1 2 9 5 6 7 8 12 13 11 4 1 2 10 9 5 4 11 6 7 8 12 13
1 10 5 4 6 7 8 12 13 11 12 9 10 5 4 11 6 7 8 12 13 1 2 9 10 5 11 6 7 8 12 13 4 12 10 9 1 5 4 11 6 7 8 12 13 2
10 3 1 10 5 4 10 6 7 8 12 13 11
Flange Width
Average Flange Thickness Distance
Web Thickness
Distance
Compact Section Criteria bf/2tf h/tw Fy'''
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