Table 2.3.1 Dimensions and Primary Properties -- Steel Sections 1887-1952
Designation CB244 G24a G24a 24WF, 24b 24WF, CB243 G24a G24a 24WF, B24b 24WF, CB243 CB244 G24a CB244N G24a G24a G24a G24a
Area
Depth
A
d
tw
bf
tf
T
k
in.2 44.10 43.57 43.68 42.62 42.62 41.02 41.21 41.16 41.16 41.16 41.16 41.15 41.13 41.03 38.71 38.82
in. 24.53 24.12 24.12 24.49 24.49 24.00 24.41 24.41 24.41 24.39 24.00 24.41 24.00 24.00 23.88 23.88
in. 0.629 0.650 0.640 0.608 0.608 0.610 0.600 0.594 0.594 0.588 0.600 0.601 0.600 0.560 0.580 0.570
in. 14.082 13.290 13.280 14.043 14.043 13.250 14.030 14.029 14.029 14.041 13.000 14.031 13.240 13.000 13.220 13.210
in. 1.050 1.104 1.104 1.020 1.020 1.044 0.976 0.980 0.980 0.981 1.079 0.970 1.044 1.109 0.984 0.984
in. 20.701 20.091 20.091 21.155 20.925 20.091 20.603 21.155 20.925 20.701 19.989 20.741 20.091 19.709 20.091 20.091
in. 1.913 2.015 2.015 1.668 1.783 1.955 1.904 1.628 1.743 1.844 2.006 1.833 1.955 2.146 1.895 1.895
6.71 6.02 6.02 6.88 6.88 6.35 7.19 7.16 7.16 7.16 6.02 7.23 6.34 5.86 6.72 6.72
32.9 30.9 31.4 34.8 34.4 32.9 34.3 35.6 35.2 35.2 33.3 34.5 33.5 35.2 34.6 35.2
ksi 59 53 54 59 55 51 52 52 58 54 57 52 54 52
130.0 130.0 130.0 130.0 130.0 129.0 128.0 121.0 120.0 120.0 120.0 120.0 120.0 120.0 120.0 120.0 114.0 113.0 110.0 110.0 110.0 110.0 110.0 108.0 107.0 104.5 104.5 100.0 100.0 100.0 100.0 100.0
38.23 38.23 38.21 38.21 38.21 37.74 37.79 35.30 35.38 35.36 35.36 35.31 35.29 35.29 35.29 35.28 33.12 33.18 32.36 32.36 32.35 32.34 32.34 31.84 31.60 30.88 30.63 29.45 29.43 29.43 29.41 29.39
24.25 24.25 24.25 24.25 24.25 24.12 24.12 24.00 24.00 24.00 24.31 24.00 24.31 24.31 24.31 24.31 23.88 23.88 24.16 24.16 24.16 24.16 24.16 23.78 23.78 24.09 24.09 24.00 24.00 24.00 24.00 24.00
0.547 0.570 0.565 0.565 0.570 0.580 0.570 0.540 0.530 0.530 0.560 0.510 0.539 0.556 0.556 0.559 0.510 0.500 0.510 0.510 0.513 0.494 0.510 0.495 0.485 0.550 0.550 0.470 0.468 0.468 0.450 0.470
14.000 14.000 14.000 14.000 14.000 12.290 12.280 12.250 12.000 12.240 12.090 12.000 12.089 12.088 12.088 12.089 12.220 12.210 12.042 12.042 12.043 12.044 12.040 12.205 12.195 9.775 9.775 12.000 12.000 12.000 12.000 12.000
0.912 0.896 0.900 0.900 0.892 1.014 1.014 0.954 0.988 0.954 0.930 1.004 0.942 0.930 0.930 0.922 0.894 0.894 0.855 0.855 0.847 0.865 0.855 0.844 0.844 0.942 0.942 0.775 0.775 0.775 0.787 0.767
20.701 20.603 21.155 20.925 20.741 20.392 20.392 20.392 20.213 20.392 20.758 19.979 20.701 20.925 21.238 20.741 20.392 20.392 21.238 20.925 20.741 20.701 20.758 20.392 20.392 20.694 20.694 20.758 21.238 20.925 20.701 20.741
1.775 1.824 1.548 1.663 1.755 1.864 1.864 1.804 1.894 1.804 1.776 2.011 1.805 1.693 1.536 1.785 1.744 1.744 1.461 1.618 1.710 1.728 1.701 1.694 1.694 1.698 1.698 1.621 1.381 1.538 1.650 1.630
7.68 7.81 7.78 7.78 7.85 6.06 6.06 6.42 6.07 6.42 6.50 5.98 6.42 6.50 6.50 6.56 6.83 6.83 7.04 7.04 7.11 6.96 7.04 7.23 7.22 5.19 5.19 7.74 7.74 7.74 7.62 7.82
37.8 36.1 37.4 37.0 36.4 35.2 35.8 37.8 38.1 38.5 37.1 39.2 38.4 37.6 38.2 37.1 40.0 40.8 41.6 41.0 40.4 41.9 40.7 41.2 42.0 37.6 37.6 44.2 45.4 44.7 46.0 44.1
45 49 46 47 49 52 50 45 44 43 47 42 44 45 44 47 40 39 37 38 39 37 39 38 36 45 45 33 31 32 30 33
99.5 99.5 95.5 95.5 94.0 94.0 94.0 93.0 93.0 90.5 87.0 87.0 85.0 85.0 85.0 84.5 84.5 84.5 84.0 84.0 84.0 84.0 83.0 82.0 81.0 81.0 80.0 80.0
29.40 29.15 28.05 27.79 27.64 27.63 27.63 27.36 27.34 26.47 25.58 25.58 24.99 24.99 24.99 24.97 24.80 24.75 24.80 24.79 24.71 24.71 24.59 24.33 23.86 23.84 23.54 23.54
24.00 24.00 23.91 23.91 24.31 24.29 24.29 24.26 24.26 24.12 24.16 24.16 24.12 24.15 24.10 24.00 24.00 24.00 24.00 24.00 24.09 24.09 24.00 24.00 24.12 24.12 24.00 24.00
0.525 0.525 0.505 0.505 0.499 0.516 0.516 0.485 0.481 0.475 0.480 0.480 0.445 0.452 0.450 0.460 0.460 0.460 0.460 0.450 0.470 0.470 0.520 0.500 0.455 0.453 0.455 0.455
9.750 9.750 9.730 9.730 9.844 9.061 9.061 10.040 10.031 9.515 9.025 9.025 10.000 9.797 10.000 9.500 9.250 9.500 9.250 8.850 9.015 9.015 9.130 8.830 9.040 9.041 9.000 9.000
0.897 0.897 0.852 0.852 0.817 0.872 0.872 0.805 0.810 0.819 0.807 0.807 0.735 0.740 0.730 0.759 0.783 0.759 0.783 0.833 0.772 0.772 0.704 0.741 0.740 0.740 0.727 0.727
20.694 20.694 20.694 20.694 21.349 21.341 21.585 21.207 21.415 21.061 21.585 21.341 21.207 21.349 21.415 21.061 20.995 21.061 20.995 20.765 21.585 21.341 21.245 21.087 21.321 21.415 21.341 21.585
1.653 1.653 1.608 1.608 1.480 1.475 1.353 1.526 1.423 1.529 1.288 1.410 1.456 1.403 1.343 1.469 1.502 1.469 1.502 1.617 1.253 1.375 1.378 1.456 1.400 1.353 1.330 1.208
5.43 5.43 5.71 5.71 6.02 5.20 5.20 6.24 6.19 5.81 5.59 5.59 6.80 6.62 6.85 6.26 5.91 6.26 5.91 5.32 5.84 5.84 6.49 5.96 6.11 6.11 6.19 6.19
39.4 39.4 41.0 41.0 42.8 41.4 41.8 43.7 44.5 44.3 45.0 44.5 47.7 47.2 47.6 45.8 45.6 45.8 45.6 46.1 45.9 45.4 40.9 42.2 46.9 47.3 46.9 47.4
41 41 38 38 35 38 37 34 32 33 32 33 28 29 28 31 31 31 31 30 31 31 39 36 29 29 29 29
Source Reference Wt. per ft Number lb 19 150.0 5 149.0 10 148.0 15 145.0 23 145.0 5 141.0 11 140.0 12 140.0 21 140.0 19 140.0 2 140.0 20 140.0 10 140.0 1 140.0 5 133.0 10 132.0
CB244 G24a 24WF, B24B 24WF, CB243 CB244N G24 G24 G24 G24 G24 G24 G24 CB243 24WF, CB242 24WF, B24a CB243N G24 G24 24WF, B24a 24WF, CB242 CB243N CB243 G24 G24 G24 B24b G24b G24 24WF, B24a 24WF, CB242 CB243 CB243N
19
B24b B24b B24b B24b CB242 24WF, CB241 24WF, B24 B24a CB242N B24a 24WF, B24 24WF, CB241 B24a CB242 CB242N B24a B24a B24a B24a B24a 24WF, B24 24WF, CB241 B24 B24 B24 CB241N 24WF, CB241 24WF, B24
10
11 13 22 20 5 10 5 2 10 11 1 19 22 14 20 5 10 14 22 20 19 11 9 10 10 4 11 14 22 19 20
4 10 4 19 22 13 11 20 10 12 21 11 19 20 10 6 8 2 1 15 23 3 1 11 20 21 12
Flange Width
Average Flange Thickness Distance
Web Thickness
Distance
Compact Section Criteria bf/2tf h/tw Fy'''
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