Hollow sections

Circular hollow sections

Designation
D x t mm		 m
kg/m		 A
103 mm2		 Ix
106 mm4		 Zx
103 mm3		 rx
mm		 J
103 mm4		 Zplx
103 mm3
32.0x2.0 1.48 0.188 0.021 1.33 10.6 0.043 1.80
32.0x2.5 1.82 0.232 0.025 1.59 10.5 0.051 2.18
34.1x2.0 1.58 0.202 0.026 1.53 11.4 0.052 2.07
34.1x2.5 1.95 0.248 0.031 1.83 11.2 0.063 2.51
34.1x3.0 2.64 0.337 0.040 2.34 10.9 0.080 3.30
34.1x4.0 2.97 0.379 0.044 2.56 10.7 0.087 3.65
38.0x2.0 1.78 0.227 0.037 1.95 12.8 0.074 2.61
38.0x2.5 2.19 0.280 0.045 2.34 12.6 0.089 3.17
38.0x3.0 2.60 0.331 0.051 2.69 12.5 0.103 3.71
38.0x4.0 3.36 0.429 0.063 3.31 12.1 0.126 4.67
42.8x2.0 2.01 0.256 0.053 2.50 14.4 0.107 3.33
42.8x2.5 2.48 0.317 0.065 3.01 14.3 0.129 4.07
42.8x3.0 2.94 0.375 0.075 3.49 14.1 0.149 4.76
42.8x4.0 3.83 0.488 0.093 4.33 13.8 0.185 6.04
48.4x2.0 2.29 0.292 0.079 3.25 16.4 0.157 4.31
48.4x2.5 2.83 0.360 0.095 3.93 16.3 0.190 5.27
48.4x3.0 3.36 0.428 0.111 4.58 16.1 0.221 6.19
48.4x3.5 3.88 0.494 0.125 5.17 15.9 0.250 7.07
48.4x4.0 4.38 0.558 0.139 5.73 15.8 0.277 7.91
60.3x2.0 2.88 0.366 0.156 5.17 20.6 0.312 6.81
60.3x2.5 3.56 0.454 0.190 6.30 20.5 0.380 8.36
60.3x3.0 4.24 0.540 0.223 7.38 20.3 0.445 9.87
60.3x3.5 4.91 0.625 0.253 8.39 20.1 0.506 11.32
60.3x4.0 5.56 0.708 0.282 9.35 20.0 0.564 12.71
60.3x4.5 6.20 0.789 0.310 10.26 19.8 0.619 14.06
63.5x2.0 3.03 0.386 0.183 5.76 21.8 0.366 7.57
63.5x2.5 3.76 0.479 0.223 7.03 21.6 0.446 9.31
63.5x3.0 4.48 0.570 0.262 8.24 21.4 0.523 10.99
63.5x3.5 5.18 0.660 0.298 9.38 21.2 0.596 12.61
63.5x4.0 5.87 0.748 0.332 10.47 21.1 0.665 14.18
63.5x4.5 6.55 0.834 0.365 11.50 20.9 0.730 15.69
76.2x2.5 4.54 0.579 0.393 10.33 26.1 0.787 13.58
76.2x3.0 5.42 0.690 0.463 12.15 25.9 0.926 16.08
76.2x3.5 6.28 0.799 0.529 13.89 25.7 1.059 18.51
76.2x4.0 7.12 0.907 0.593 15.56 25.6 1.186 20.87
76.2x4.5 7.96 1.014 0.654 17.16 25.4 1.308 23.16
76.2x5.0 8.78 1.118 0.712 18.69 25.2 1.424 25.39
76.2x6.0 10.39 1.323 0.821 21.55 24.9 1.642 29.64
88.9x2.5 5.33 0.679 0.634 14.26 30.6 1.267 18.67
88.9x3.0 6.36 0.810 0.748 16.82 30.4 1.495 22.15
88.9x3.5 7.37 0.939 0.857 19.29 30.2 1.715 25.54
88.9x4.0 8.38 1.067 0.963 21.67 30.0 1.927 28.85
88.9x4.5 9.37 1.193 1.065 23.97 29.9 2.131 32.09
88.9x5.0 10.35 1.318 1.164 26.18 29.7 2.327 35.24
88.9x6.0 12.27 1.563 1.349 30.36 29.4 2.699 41.31
101.6x2.5 6.11 0.778 0.956 18.82 35.0 1.912 24.56
101.6x3.0 7.29 0.929 1.130 22.25 34.9 2.261 29.17
101.6x3.5 8.47 1.079 1.299 25.58 34.7 2.598 33.70
101.6x4.0 9.63 1.226 1.463 28.80 34.5 2.926 38.12
101.6x4.5 10.78 1.373 1.621 31.92 34.4 3.243 42.46
101.6x5.0 11.91 1.517 1.775 34.93 34.2 3.549 46.70
101.6x6.0 14.15 1.802 2.067 40.68 33.9 4.134 54.91
114.3x2.5 6.89 0.878 1.373 24.02 39.5 2.745 31.25
114.3x3.0 8.23 1.049 1.625 28.44 39.4 3.251 37.17
114.3x3.5 9.56 1.218 1.871 32.75 39.2 3.743 42.98
114.3x4.0 10.88 1.386 2.111 36.93 39.0 4.221 48.69
114.3x4.5 12.19 1.552 2.343 41.00 38.9 4.686 54.28
114.3x5.0 13.48 1.717 2.569 44.96 38.7 5.138 59.77
114.3x6.0 16.03 2.041 3.002 52.53 38.3 6.004 70.45
127.0x2.5 7.68 0.978 1.895 29.85 44.0 3.791 38.76
127.0x3.0 9.17 1.169 2.248 35.39 43.9 4.495 46.14
127.0x3.5 10.66 1.358 2.591 40.80 43.7 5.182 53.40
127.0x4.0 12.13 1.546 2.926 46.08 43.5 5.852 60.54
127.0x4.5 13.59 1.732 3.253 51.23 43.3 6.506 67.56
127.0x5.0 15.04 1.916 3.571 56.24 43.2 7.143 74.46
127.0x6.0 17.90 2.281 4.184 65.90 42.8 8.369 87.92
Designation
D x t mm		 m
kg/m		 A
103 mm2		 Ix
106 mm4		 Zx
103 mm3		 rx
mm		 J
103 mm4		 Zplx
103 mm3

Square hollow sections

Designation
hxbxt mm		 r1
mm		 m
kg/m		 A
103 mm2		 Ix
106 mm4		 Zx
103 mm3		 rx
mm		 J
103 mm4		 Zplx
103 mm3
25x25x2.0 1.48 0.170 0.014 1.14 9.2 0.025 1.42
25x25x2.5 1.82 0.204 0.016 1.28 8.9 0.029 1.64
25x25x3.0 2.15 0.233 0.017 1.38 8.6 0.032 1.82
32x32x2.5 2.31 0.274 0.038 2.36 11.8 0.066 2.93
32x32x3.0 2.74 0.317 0.042 2.61 11.5 0.075 3.31
38x38x2.0 2.29 0.274 0.058 3.03 14.5 0.096 3.63
38x38x3.0 3.36 0.397 0.079 4.13 14.1 0.133 5.10
38x38x3.5 3.88 0.451 0.086 4.54 13.8 0.150 5.69
50x50x2.5 3.76 0.459 0.169 6.78 19.2 0.275 8.07
50x50x3.0 4.48 0.541 0.195 7.79 19.0 0.321 9.39
50x50x3.5 5.18 0.619 0.217 8.69 18.7 0.364 10.61
50x50x4.0 5.87 0.695 0.237 9.49 18.5 0.404 11.73
50x50x4.5 6.55 0.767 0.255 10.20 18.2 0.441 12.76
60x60x2.5 4.54 0.559 0.303 10.11 23.3 0.487 11.93
60x60x3.0 5.42 0.661 0.351 11.71 23.1 0.571 13.95
60x60x3.5 6.28 0.759 0.395 13.18 22.8 0.651 15.86
60x60x4.0 7.12 0.855 0.436 14.52 22.6 0.726 17.64
60x60x4.5 7.96 0.947 0.472 15.73 22.3 0.798 19.32
75x75x2.5 5.70 0.709 0.614 16.37 29.4 0.971 19.12
75x75x3.0 6.81 0.841 0.716 19.10 29.2 1.145 22.49
75x75x3.5 7.90 0.969 0.812 21.66 28.9 1.313 25.70
75x75x4.0 8.98 1.095 0.902 24.05 28.7 1.473 28.76
75x75x4.5 10.04 1.217 0.986 26.28 28.5 1.627 31.68
75x75x5.0 11.10 1.336 1.063 28.35 28.2 1.774 34.46
75x75x6.0 13.17 1.563 1.202 32.04 27.7 2.046 39.58
80x80x3.0 7.29 0.901 0.878 21.96 31.2 1.399 25.78
80x80x3.5 8.47 1.039 0.998 24.95 31.0 1.606 29.50
80x80x4.0 9.63 1.175 1.110 27.76 30.7 1.804 33.07
80x80x4.5 10.78 1.307 1.216 30.40 30.5 1.995 36.48
80x80x5.0 11.91 1.436 1.314 32.86 30.3 2.178 39.74
80x80x6.0 14.15 1.683 1.492 37.29 29.8 2.521 45.79
100x100x2.5* 7.68 0.959 1.506 30.13 39.6 2.352 34.86
100x100x3.0 9.17 1.141 1.770 35.41 39.4 2.787 41.21
100x100x3.5 10.66 1.319 2.023 40.46 39.2 3.209 47.35
100x100x4.0 12.13 1.495 2.264 45.27 38.9 3.620 53.30
100x100x4.5 13.59 1.667 2.493 49.86 38.7 4.019 59.04
100x100x5.0 15.04 1.836 2.711 54.22 38.4 4.405 64.59
100x100x6.0 17.90 2.163 3.115 62.29 37.9 5.142 75.10
285x285x8.0 68.58 8.644 109.050 765.27 112.3 173.541 889.90
285x285x10.0 85.23 10.657 131.983 926.20 111.3 213.080 1086.36
Designation
hxbxt mm		 r1
mm		 m
kg/m		 A
103 mm2		 Ix
106 mm4		 Zx
103 mm3		 rx
mm		 J
103 mm4		 Zplx
103 mm3

Rectangular hollow sections

Designation
hxbxt mm		 r1
mm		 m
kg/m		 A
103 mm2		 Ix
106 mm4		 Zx
103 mm3		 rx
mm		 Ix
106 mm4		 Zy
103 mm3		 ry
mm		 J
103 mm4		 Zplx
103 mm3
50x25x2.0* 2.29 0.270 0.082 3.27 17.4 0.028 2.20 10.1 0.071 4.18
50x25x2.5 2.83 0.334 0.099 3.95 17.2 0.033 2.62 9.9 0.084 5.11
50x25x3.0 3.36 0.391 0.112 4.47 16.9 0.037 2.93 9.7 0.096 5.86
50x25x3.5 3.88 0.444 0.122 4.90 16.6 0.040 3.19 9.5 0.107 6.54
50x38x2.0 2.72 0.322 0.112 4.47 18.6 0.073 3.85 15.1 0.146 5.42
50x38x2.5 3.37 0.394 0.132 5.29 18.3 0.086 4.55 14.8 0.177 6.51
50x38x3.0 4.00 0.461 0.150 6.00 18.0 0.098 5.15 14.6 0.205 7.50
50x38x3.5 4.63 0.531 0.172 6.79 18.0 0.110 5.77 14.4 0.237 8.61
60x40x2.5 3.76 0.459 0.221 7.36 21.9 0.117 5.87 16.0 0.251 9.06
60x40x3.0 4.48 0.541 0.254 8.46 21.7 0.134 6.72 15.8 0.293 10.53
60x40x3.5 5.18 0.619 0.283 9.45 21.4 0.150 7.48 15.5 0.331 11.90
60x40x4.0 5.87 0.695 0.310 10.33 21.1 0.163 8.14 15.3 0.367 13.16
60x40x4.5 6.55 0.767 0.333 11.10 20.8 0.174 8.72 15.1 0.399 14.32
76x38x2.5 4.35 0.529 0.383 10.08 26.9 0.129 6.81 15.6 0.320 12.68
76x38x3.0 5.18 0.625 0.443 11.66 26.6 0.149 7.82 15.4 0.373 14.80
76x38x3.5 6.00 0.717 0.497 13.09 26.3 0.166 8.72 15.2 0.422 16.80
76x38x4.0 6.81 0.807 0.547 14.39 26.0 0.181 9.52 15.0 0.468 18.66
76x38x4.5 7.60 0.893 0.591 15.56 25.7 0.194 10.22 14.8 0.510 20.39
80x40x2.5 4.54 0.559 0.451 11.28 28.4 0.153 7.63 16.5 0.376 14.15
80x40x3.0 5.42 0.661 0.523 13.06 28.1 0.176 8.78 16.3 0.439 16.54
80x40x3.5 6.28 0.759 0.588 14.70 27.8 0.196 9.81 16.1 0.498 18.79
80x40x4.0 7.12 0.855 0.648 16.20 27.5 0.215 10.74 15.9 0.552 20.91
80x40x4.5 7.96 0.947 0.702 17.56 27.2 0.231 11.57 15.6 0.603 22.89
100x50x2.5* 5.70 0.709 0.912 18.24 35.9 0.311 12.42 20.9 0.754 22.67
100x50x3.0 6.81 0.841 1.065 21.29 35.6 0.361 14.42 20.7 0.886 26.66
100x50x3.5 7.90 0.969 1.208 24.15 35.3 0.407 16.27 20.5 1.011 30.47
100x50x4.0 8.98 1.095 1.341 26.83 35.0 0.449 17.98 20.3 1.130 34.10
100x50x4.5 10.04 1.217 1.466 29.32 34.7 0.489 19.55 20.0 1.243 37.56
100x50x5.0 11.10 1.336 1.582 31.64 34.4 0.525 20.98 19.8 1.349 40.84
100x50x6.0 13.17 1.563 1.788 35.75 33.8 0.587 23.47 19.4 1.542 46.90
Designation
hxbxt mm		 r1
mm		 m
kg/m		 A
103 mm2		 Ix
106 mm4		 Zx
103 mm3		 rx
mm		 Ix
106 mm4		 Zy
103 mm3		 ry
mm		 J
103 mm4		 Zplx
103 mm3

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