平鋼

  • 平鋼

    平鋼（フラットバー）

  • 平鋼

    平鋼（フラットバー）

  • 平鋼

    平鋼（フラットバー）

寸法表

断面寸法 断面積A
(cm²)		 単位質量W
(kg/m)		 断面二次モーメント 断面二次半径 断面係数
厚さH
(mm)		 幅B
(mm)		 Ix
(cm4)		 Iy
(cm4)		 ix
(cm)		 iy
(cm)		 Zx
(cm3)		 Zy
(cm3)
4.5 25 1.125 0.88 0.019 0.586 0.130 0.722 0.084 0.469
4.5 32 1.440 1.13 0.024 1.229 0.130 0.924 0.108 0.768
4.5 38 1.710 1.34 0.029 2.058 0.130 1.097 0.128 1.083
4.5 44 1.980 1.55 0.033 3.194 0.130 1.270 0.149 1.452
4.5 50 2.250 1.77 0.038 4.688 0.130 1.443 0.169 1.875
4.5 65 2.925 2.30 0.049 10.30 0.130 1.876 0.219 3.169
4.5 75 3.375 2.65 0.057 15.82 0.130 2.165 0.253 4.219
4.5 90 4.050 3.18 0.068 27.34 0.130 2.598 0.304 6.075
4.5 100 4.500 3.53 0.076 37.50 0.130 2.887 0.338 7.500
4.5 125 5.625 4.42 0.095 73.24 0.130 3.608 0.422 11.72
4.5 150 6.750 5.30 0.114 126.6 0.130 4.330 0.506 16.88
6 25 1.500 1.18 0.045 0.781 0.173 0.722 0.150 0.625
6 32 1.920 1.51 0.058 1.638 0.173 0.924 0.192 1.024
6 38 2.280 1.79 0.068 2.744 0.173 1.097 0.228 1.444
6 44 2.640 2.07 0.079 4.259 0.173 1.270 0.264 1.936
6 50 3.000 2.36 0.090 6.250 0.173 1.443 0.300 2.500
6 65 3.900 3.06 0.117 13.73 0.173 1.876 0.390 4.225
6 75 4.500 3.53 0.135 21.09 0.173 2.165 0.450 5.625
6 90 5.400 4.24 0.162 36.45 0.173 2.598 0.540 8.100
6 100 6.000 4.71 0.180 50.00 0.173 2.887 0.600 10.00
6 125 7.500 5.89 0.225 97.66 0.173 3.608 0.750 15.63
6 150 9.000 6.36 0.270 168.8 0.173 4.330 0.900 22.50
6 180 10.80 8.48 0.324 291.6 0.173 5.196 1.080 32.40
6 200 12.00 9.42 0.360 400.0 0.173 5.773 1.200 40.00
6 230 13.80 10.8 0.414 608.4 0.173 6.639 1.380 52.90
6 250 15.00 11.8 0.450 781.3 0.173 7.217 1.500 62.50
6 280 16.80 13.2 0.504 1.098 0.173 8.083 1.680 78.40
6 300 18.00 14.1 0.540 1.350 0.173 8.660 1.800 90.00
8 25 2.000 1.57 0.107 1.042 0.231 0.722 0.267 0.833
8 32 2.560 2.01 0.137 2.185 0.231 0.924 0.341 1.365
8 38 3.040 2.39 0.162 3.658 0.231 1.097 0.405 1.925
8 44 3.520 2.76 0.188 5.679 0.231 1.270 0.469 2.581
8 50 4.000 3.14 0.213 8.333 0.231 1.443 0.533 3.333
8 65 5.200 4.08 0.277 18.31 0.231 1.876 0.693 5.633
8 75 6.000 4.71 0.320 28.13 0.231 2.165 0.800 7.500
8 90 7.200 5.65 0.384 48.60 0.231 2.598 0.960 10.80
8 100 8.000 6.28 0.427 66.67 0.231 2.887 1.067 13.33
8 125 10.00 7.85 0.533 130.2 0.231 3.608 1.333 20.83
8 150 12.00 9.42 0.640 225.0 0.231 4.330 1.600 30.00
8 180 14.40 11.3 0.768 388.8 0.231 5.196 1.920 43.20
8 200 16.00 12.6 0.853 533.3 0.231 5.773 2.133 53.33
8 230 18.40 14.4 0.981 811.1 0.231 6.639 2.453 70.53
8 250 20.00 15.7 1.067 1042 0.231 7.217 2.667 83.33
8 280 22.40 17.6 1.195 1463 0.231 8.083 2.987 104.5
8 300 24.00 18.8 1.280 1800 0.231 8.660 3.200 120.0
8 350 28.00 22.0 1.493 2858 0.231 10.10 3.733 163.3
8 400 32.00 25.1 1.707 4267 0.231 11.55 4.267 213.3
9 25 2.250 1.77 0.152 1.172 0.260 0.722 0.338 0.938
9 32 2.880 2.26 0.194 2.458 0.260 0.924 0.432 1.536
9 38 3.420 2.68 0.231 4.115 0.260 1.097 0.513 2.166
9 44 3.960 3.11 0.267 6.389 0.260 1.270 0.594 2.904
9 50 4.500 3.53 0.304 9.375 0.260 1.443 0.675 3.750
9 65 5.850 4.59 0.395 20.60 0.260 1.876 0.878 6.338
9 75 6.750 5.30 0.456 31.64 0.260 2.165 1.013 8.438
9 90 8.100 6.36 0.547 54.68 0.260 2.598 1.215 12.15
9 100 9.000 7.06 0.608 75.00 0.260 2.887 1.350 15.00
9 125 11.25 8.83 0.759 146.5 0.260 3.608 1.688 23.44
9 150 13.50 10.6 0.911 253.1 0.260 4.330 2.025 33.75
9 180 16.20 12.7 1.094 437.4 0.260 5.196 2.430 48.60
9 200 18.00 14.1 1.215 600.0 0.260 5.773 2.700 60.00
9 230 20.70 16.2 1.397 912.5 0.260 6.639 3.105 79.35
9 250 22.50 11.7 1.519 1172 0.260 7.217 3.375 93.75
9 280 25.20 19.8 1.701 1646 0.260 8.083 3.780 117.6
9 300 27.00 21.2 1.823 2025 0.260 8.660 4.050 135.0
9 350 31.50 24.7 2.126 3216 0.260 10.10 4.725 183.8
9 400 36.00 28.3 2.430 4800 0.260 11.55 5.400 240.0
12 38 4.560 3.38 0.547 5.487 0.346 1.097 0.912 2.888
12 44 5.280 4.14 0.634 8.518 0.346 1.270 1.056 3.872
12 50 6.000 4.71 0.720 12.50 0.346 1.443 1.200 5.000
12 65 7.800 6.12 0.936 27.46 0.346 1.876 1.560 8.450
12 75 9.000 7.06 1.080 42.19 0.346 2.165 1.800 11.25
12 90 10.80 8.48 1.296 72.90 0.346 2.598 2.160 16.20
12 100 12.00 9.42 1.440 100.0 0.346 2.887 2.400 20.00
12 125 15.00 11.8 1.800 195.3 0.346 3.608 3.000 31.25
12 150 18.00 14.1 2.160 337.5 0.346 4.330 3.600 45.00
12 180 21.60 17.0 2.592 583.2 0.346 5.196 4.320 64.80
12 200 24.00 18.8 2.880 800.0 0.346 5.773 4.800 80.00
12 230 27.60 21.7 3.312 1217 0.346 6.639 5.520 105.8
12 250 30.00 23.6 3.600 1563 0.346 7.217 6.000 125.0
12 280 33.60 26.4 4.032 2195 0.346 8.083 6.720 156.8
12 300 36.00 28.3 4.320 2700 0.346 8.660 7.200 180.0
12 350 42.00 33.0 5.040 4288 0.346 10.10 8.400 245.0
12 400 48.00 37.7 5.760 6400 0.346 11.55 9.600 320.0
16 32 5.120 4.02 1.092 4.369 0.462 0.924 1.365 2.731
16 38 6.080 4.77 1.297 7.316 0.462 1.097 1.621 3.851
16 44 7.040 5.53 1.502 11.36 0.462 1.270 1.877 5.163
16 50 8.000 6.28 1.707 16.67 0.462 1.443 2.133 6.667
16 65 10.40 8.16 2.219 36.62 0.462 1.876 2.773 11.27
16 75 12.00 9.42 2.560 56.25 0.462 2.165 3.200 15.00
16 90 14.40 11.3 3.072 97.20 0.462 2.598 3.840 21.60
16 100 16.00 12.6 3.413 133.3 0.462 2.887 4.267 26.67
16 125 20.00 15.7 4.267 260.4 0.462 3.608 5.333 41.67
16 150 24.00 18.8 5.120 450.0 0.462 4.330 6.400 60.00
16 180 28.80 22.6 6.144 777.6 0.462 5.196 7.680 86.40
16 200 32.00 25.1 6.827 1067 0.462 5.773 8.533 106.7
16 230 36.80 28.9 7.851 1622 0.462 6.639 9.813 141.1
16 250 40.00 31.4 8.533 2083 0.462 7.217 10.67 166.7
16 280 44.80 35.2 9.557 2927 0.462 8.083 11.95 209.1
16 300 48.00 37.7 10.24 3600 0.462 8.660 12.80 240.0
16 350 56.00 44.0 11.95 5717 0.462 10.10 14.93 326.7
16 400 64.00 50.2 13.65 8533 0.462 11.55 17.07 426.7
16 450 72.00 56.5 15.36 12150 0.462 12.99 19.20 540.0
16 500 80.00 62.8 17.07 16667 0.462 14.43 21.33 666.7
19 38 7.220 5.67 2.172 8.688 0.548 1.097 2.286 4.573
19 44 8.360 6.56 2.515 13.49 0.548 1.270 2.647 6.131
19 50 9.500 7.46 2.858 19.79 0.548 1.443 3.008 7.917
19 65 12.35 9.69 3.715 43.48 0.548 1.876 3.911 13.38
19 75 14.25 11.2 4.287 66.80 0.548 2.165 4.513 17.81
19 90 17.10 13.4 5.144 115.4 0.548 2.598 5.415 25.65
19 100 19.00 14.9 5.716 158.3 0.548 2.887 6.017 31.67
19 125 23.75 18.6 7.145 309.2 0.548 3.608 7.521 49.48
19 150 28.50 22.4 8.574 534.4 0.548 4.330 9.025 71.25
19 180 34.20 26.8 10.29 923.4 0.548 5.196 10.83 102.6
19 200 38.00 29.8 11.43 1267 0.548 5.773 12.03 126.7
19 230 43.70 34.3 13.15 1926 0.548 6.639 13.84 167.5
19 250 47.50 37.3 14.29 2474 0.548 7.217 15.04 197.9
19 280 53.20 41.8 16.00 3476 0.548 8.083 16.85 248.3
19 300 57.00 44.7 17.15 4275 0.548 8.660 18.05 285.0
19 350 66.50 52.2 20.01 6789 0.548 10.10 21.06 387.9
19 400 76.00 59.7 22.86 10133 0.548 11.55 24.07 506.7
19 450 85.50 67.1 25.72 14428 0.548 12.99 27.08 641.3
19 500 95.00 74.6 28.58 19792 0.548 14.43 30.08 791.7
22 50 11.00 8.64 4.437 22.92 0.635 1.443 4.033 9.167
22 65 14.30 11.2 5.768 50.35 0.635 1.876 5.243 15.49
22 75 16.50 13.0 6.655 77.34 0.635 2.165 6.050 20.63
22 90 19.80 15.5 7.986 133.7 0.635 2.598 7.260 29.70
22 100 22.00 17.3 8.873 183.3 0.635 2.887 8.067 36.67
22 125 27.50 21.6 11.09 358.1 0.635 3.608 10.08 57.29
22 150 33.00 25.9 13.31 618.8 0.635 4.330 12.10 82.50
22 180 39.60 31.1 15.97 1069 0.635 5.196 14.52 118.8
22 200 44.00 34.5 17.75 1467 0.635 5.773 16.13 146.7
22 230 50.60 39.7 20.41 2231 0.635 6.639 18.55 194.0
22 250 55.00 43.2 22.18 2865 0.635 7.217 20.17 229.2
22 280 61.60 48.4 24.85 4025 0.635 8.083 22.59 287.5
22 300 66.00 51.8 26.62 4950 0.635 8.660 24.20 330.0
22 350 77.00 60.4 31.06 7860 0.635 10.10 28.23 449.2
22 400 88.00 69.1 35.49 11733 0.635 11.55 32.27 586.7
22 450 99.00 77.7 39.93 16706 0.635 12.99 36.30 742.5
22 500 110.0 86.4 44.37 22917 0.635 14.43 40.33 916.7
25 75 18.75 14.7 9.766 87.89 0.722 2.165 7.813 23.44
25 90 22.50 17.7 11.72 151.9 0.722 2.598 9.375 33.75
25 100 25.00 19.6 13.02 208.3 0.722 2.887 10.42 41.67
25 125 31.25 24.5 16.28 406.9 0.722 3.608 13.02 65.10
25 150 37.50 29.4 19.53 703.1 0.722 4.330 15.63 93.75
25 180 45.00 35.3 23.44 1215 0.722 5.196 18.75 135.0
25 200 50.00 39.2 26.04 1667 0.722 5.773 20.83 166.7
25 230 57.50 45.1 29.95 2535 0.722 6.639 23.96 220.4
25 250 62.50 49.1 32.55 3255 0.722 7.217 26.04 260.4
25 280 70.00 55.0 36.46 4573 0.722 8.083 29.17 326.7
25 300 75.00 58.9 39.06 5625 0.722 8.660 31.25 375.0
25 350 87.50 68.7 45.57 8932 0.722 10.10 36.46 510.4
25 400 100.0 78.5 52.08 13333 0.722 11.55 41.67 666.7
25 450 112.5 88.3 58.59 18984 0.722 12.99 46.88 843.8
25 500 125.0 98.1 65.10 26042 0.722 14.43 52.08 1042
28 75 21.00 16.5 13.72 98.44 0.808 2.165 9.800 26.25
28 90 25.20 19.8 16.46 170.1 0.808 2.598 11.76 37.80
28 100 28.00 22.0 18.29 233.3 0.808 2.887 13.07 46.67
28 125 35.00 27.5 22.87 455.7 0.808 3.608 16.33 72.92
28 150 42.00 33.0 27.44 787.5 0.808 4.330 19.60 105.0
28 180 50.40 39.6 32.93 1361 0.808 5.196 23.52 151.2
28 200 56.00 44.0 36.59 1867 0.808 5.773 26.13 186.7
28 230 64.40 50.6 42.07 2839 0.808 6.639 30.05 246.9
28 250 70.00 55.0 45.73 3646 0.808 7.217 32.67 291.7
28 280 78.40 61.5 51.22 5122 0.808 8.083 36.59 365.9
28 300 84.00 65.9 54.88 6300 0.808 8.660 39.20 420.0
28 350 98.00 76.9 64.03 10004 0.808 10.10 45.73 571.7
28 400 112.0 87.9 73.17 14933 0.808 11.55 52.27 746.7
28 450 126.0 98.9 82.32 21263 0.808 12.99 58.80 945.0
28 500 140.0 110 91.47 29167 0.808 14.43 65.33 1167
32 100 32.00 25.1 27.31 266.7 0.924 2.887 17.07 53.33
32 125 40.00 31.4 34.13 520.8 0.924 3.608 21.33 83.33
32 150 48.00 37.7 40.96 900.0 0.924 4.330 25.60 120.0
32 230 73.60 57.8 62.81 3245 0.924 6.639 39.25 282.1
32 250 80.00 62.8 68.27 4167 0.924 7.217 42.67 333.3
32 280 89.60 70.3 76.46 5854 0.924 8.083 47.79 418.1
32 300 96.00 75.4 81.92 7200 0.924 8.660 51.20 480.0
32 350 112.0 87.9 95.57 11433 0.924 10.10 59.73 653.3
32 400 128.0 100 109.2 17067 0.924 11.55 68.27 853.3
32 450 144.0 113 122.9 24300 0.924 12.99 76.80 1080
32 500 160.0 126 136.5 33333 0.924 14.43 85.33 1333
36 75 27.00 21.2 29.16 126.6 1.039 2.165 16.20 33.75
36 90 32.40 25.4 34.99 218.7 1.039 2.598 19.44 48.60
36 100 36.00 28.3 38.88 300.0 1.039 2.887 21.60 60.00
36 125 45.00 35.3 48.60 585.9 1.039 3.608 27.00 93.75
36 150 54.00 42.4 58.32 1013 1.039 4.330 32.40 135.0
36 180 64.80 50.9 69.98 1750 1.039 5.196 38.88 194.4
36 200 72.00 56.5 77.76 2400 1.039 5.773 43.20 240.0
36 230 82.80 65.0 89.42 3650 1.039 6.639 49.68 317.4
36 250 90.00 70.6 97.20 4688 1.039 7.217 54.00 375.0
36 280 100.8 79.1 108.9 6586 1.039 8.083 60.48 470.4
36 300 108.0 84.8 116.6 8100 1.039 8.660 64.80 540.0
36 350 126.0 98.9 136.1 12863 1.039 10.10 75.60 735.0
36 400 144.0 113 155.5 19200 1.039 11.55 86.40 960.0
36 450 162.0 127 175.0 27338 1.039 12.99 97.20 1215
36 500 180.0 141 194.4 37500 1.039 14.43 108.0 1500
40 100 40.00 31.4 53.33 333.3 1.155 2.887 26.67 66.67
40 125 50.00 39.2 66.67 651.0 1.155 3.608 33.33 104.2
40 150 60.00 47.1 80.00 1125 1.155 4.330 40.00 150.0
40 180 72.00 56.5 96.00 1944 1.155 5.196 48.00 216.0
40 200 80.00 62.8 106.7 2667 1.155 5.773 53.33 266.7
40 230 92.00 72.2 122.7 4056 1.155 6.639 61.33 352.7
40 250 100.0 78.5 133.3 5208 1.155 7.217 66.67 416.7
40 280 112.0 87.9 149.3 7317 1.155 8.083 74.67 522.7
40 300 120.0 94.2 160.0 9000 1.155 8.660 80.00 600.0
40 350 140.0 110 186.7 14292 1.155 10.10 93.33 816.7
40 400 160.0 126 213.3 21333 1.155 11.55 106.7 1067
40 450 180.0 141 240.0 30375 1.155 12.99 120.0 1350
40 500 200.0 157 266.7 41667 1.155 14.43 133.3 1667
45 75 33.75 26.5 56.95 158.2 1.299 2.165 25.31 42.19
45 90 40.50 31.8 68.34 273.4 1.299 2.598 30.38 60.75
45 100 45.00 35.3 75.94 375.0 1.299 2.887 33.75 75.00
45 125 56.25 44.2 94.92 732.4 1.299 3.608 42.19 117.2
45 150 67.50 53.0 113.9 1266 1.299 4.330 50.63 168.8
45 180 81.00 63.6 136.7 2187 1.299 5.196 60.75 243.0
45 250 112.5 88.3 189.8 5859 1.299 7.217 84.38 468.8
45 280 126.0 98.9 212.6 8232 1.299 8.083 94.50 588.0
45 300 135.0 106 227.8 10125 1.299 8.660 101.3 675.0
45 350 157.5 124 265.8 16078 1.299 10.10 118.1 918.8
45 400 180.0 141 303.8 24000 1.299 11.55 135.0 1200
45 450 202.5 159 341.7 34172 1.299 12.99 151.9 1519
45 500 225.0 177 379.7 46875 1.299 14.43 168.8 1875