# Dimensions, mass and static parameters for steel channels with taper flange

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Section designation $U$ $h$ $b$ $s$ $t$ $r_1$ $r_2$ Section area $F$ , in $\mathrm{cm^2}$ Mass $G$ , in $\mathrm{kg/m}$ Surface area $U$ , in $\mathrm{m^2/m}$ Second moment of area $I_x$ , in $\mathrm{cm^4}$ Section modulus $W_x$ , in $\mathrm{cm^3}$ Radius of gyration $i_x$ , in $\mathrm{cm}$ Second moment of area $I_y$ , in $\mathrm{cm^4}$ Section modulus $W_y$ , in $\mathrm{cm^3}$ Radius of gyration $i_y$ , in $\mathrm{cm}$ Moment of first order of half the cross section $S_x$ , in $\mathrm{cm^3}$ Distance between centre of pressure and centre of tension $s_x$ , in $\mathrm{cm}$ Dimension $e_y$ , in $\mathrm{cm}$ Distance of shear centre (M) from $y-y$ axis $x_M$ , in $\mathrm{cm}$
30x15 30 15 4 4.5 4.5 2 2.21 1.74 0.103 2.53 1.69 1.07 0.38 0.39 0.42 - - 0.52 0.74
30 30 33 5 7 7 3.5 5.44 4.27 0.174 6.39 4.26 1.08 5.33 2.68 0.99 - - 1.31 2.22
40x20 40 20 5 5.5 5 2.5 3.66 2.87 0.142 7.58 3.79 1.44 1.14 0.86 0.56 - - 0.67 1.01
40 40 35 5 7 7 3.5 6.21 4.87 0.199 14.1 7.05 1.5 6.68 3.08 1.04 - - 1.33 2.32
50x25 50 25 5 6 6 3 4.92 3.86 0.188 16.8 6.73 1.85 2.49 1.48 0.71 - - 0.81 1.34
50 50 38 5 7 7 3.5 7.12 5.59 0.232 26.4 10.6 1.92 9.12 3.75 1.13 - - 1.37 2.47
60 60 30 6 6 6 3 6.46 5.07 0.215 31.6 10.5 2.21 4.51 2.16 0.84 - - 0.91 1.5
65 65 42 5.5 7.5 7.5 4 9.03 7.09 0.273 57.5 17.7 2.52 14.1 5.07 1.25 - - 1.42 2.6
80 80 45 6 8 8 4 11 8.64 0.312 106 26.5 3.1 19.4 6.36 1.33 15.9 6.65 1.45 2.67
100 100 50 6 8.5 8.5 4.5 13.5 10.6 0.372 206 41.2 3.91 29.3 8.49 1.47 24.5 8.42 1.55 2.93
120 120 55 7 9 9 4.5 17 13.4 0.434 364 60.7 4.62 43.2 11.1 1.59 36.3 10 1.6 3.03
140 140 60 7 10 10 5 20.4 16 0.489 605 86.4 5.45 62.7 14.8 1.75 51.4 11.8 1.75 3.37
160 160 65 7.5 10.5 10.5 5.5 24 18.8 0.546 925 116 6.21 85.3 18.3 1.89 68.8 13.3 1.84 3.56
180 180 70 8 11 11 5.5 28 22 0.611 1350 150 6.95 114 22.4 2.02 89.6 15.1 1.92 3.75
200 200 75 8.5 11.5 11.5 6 32.2 25.3 0.661 1910 191 7.7 148 27 2.14 114 16.8 2.01 3.94
220 220 80 9 12.5 12.5 6.5 37.4 29.4 0.718 2690 245 8.48 197 33.6 2.3 146 18.5 2.14 4.2
240 240 85 9.5 13 13 6.5 42.3 33.2 0.775 3600 300 9.22 248 39.6 2.42 179 20.1 2.23 4.39
260 260 90 10 14 14 7 48.3 37.9 0.834 4820 371 9.99 317 47.7 2.56 221 21.8 2.36 4.66
280 280 95 10 15 15 7.5 53.5 41.8 0.89 6280 448 10.9 399 57.2 2.74 266 23.6 2.53 5.02
300 300 100 10 16 16 8 58.8 46.2 0.95 8030 535 11.7 495 67.8 2.9 316 25.4 2.7 5.41
320 320 100 14 17.5 17.5 8.75 75.8 59.5 0.982 10870 679 12.1 597 80.6 2.81 413 26.3 2.6 4.82
350 350 100 14 16 16 8 77.3 60.6 1.05 12840 734 12.9 570 75 2.72 459 28.6 2.4 4.45
380 380 102 13.5 16 16 8 80.4 63.1 1.11 15760 829 14 615 78.7 2.77 507 31.1 2.38 4.58
400 400 110 14 18 18 9 91.5 71.8 1.18 20350 1020 14.9 846 102 3.04 618 32.9 2.65 5.11