Steel Pipe Cross-Sectional Properties
Type/Model Outer Diameter Wall Thickness Cross-Sectional Area Weight Weight I W r
mm mm mm cm^2 kg/m m^2/m cm^4 cm^3 cm
30×2 30 2 1.759 1.381 0.094 1.730 1.15 0.99
30×2.5 30 2.5 2.160 1.695 0.094 2.060 1.37 0.98
34×2 34 2 2.011 1.578 0.107 2.580 1.52 1.13
34×2.5 34 2.5 2.474 1.942 0.107 3.090 1.82 1.12
38×2 38 2 2.262 1.776 0.119 3.680 1.94 1.28
38×2.5 38 2.5 2.788 2.189 0.119 4.410 2.32 1.26
38×3 38 3 3.299 2.589 0.119 5.090 2.68 1.24
38×3.5 38 3.5 3.793 2.978 0.119 5.700 3.00 1.23
40×2 40 2 2.388 1.874 0.126 4.320 2.16 1.35
40×2.5 40 2.5 2.945 2.312 0.126 5.200 2.60 1.33
42×2 42 2 2.513 1.973 0.132 5.040 2.40 1.42
42×2.5 42 2.5 3.102 2.435 0.132 6.070 2.89 1.40
42×3 42 3 3.676 2.885 0.132 7.030 3.35 1.38
42×3.5 42 3.5 4.233 3.323 0.132 7.910 3.77 1.37
42×4 42 4 4.775 3.749 0.132 8.710 4.15 1.35
45×2 45 2 2.702 2.121 0.141 6.260 2.78 1.52
45×2.5 45 2.5 3.338 2.620 0.141 7.560 3.36 1.50
45×3 45 3 3.958 3.107 0.141 8.770 3.90 1.49
45×3.5 45 3.5 4.563 3.582 0.141 9.890 4.40 1.47
45×4 45 4 5.152 4.044 0.141 10.930 4.86 1.46
50×2.5 50 2.5 3.731 2.929 0.157 10.550 4.22 1.68
50×3 50 3 4.430 3.477 0.157 12.280 4.91 1.67
50×3.5 50 3.5 5.113 4.014 0.157 13.900 5.56 1.65
50×4 50 4 5.781 4.538 0.157 15.410 6.16 1.63
50×4.5 50 4.5 6.432 5.049 0.157 16.810 6.72 1.62
50×5 50 5 7.069 5.549 0.157 18.110 7.24 1.60
51×2 51 2 3.079 2.417 0.160 9.260 3.63 1.73
51×2.5 51 2.5 3.809 2.990 0.160 11.230 4.40 1.72
51×3 51 3 4.524 3.551 0.160 13.080 5.13 1.70
51×3.5 51 3.5 5.223 4.100 0.160 14.810 5.81 1.68
54×2 54 2 3.267 2.565 0.170 11.060 4.10 1.84
54×2.5 54 2.5 4.045 3.175 0.170 13.440 4.98 1.82
54×3 54 3 4.807 3.773 0.170 15.680 5.81 1.81
54×3.5 54 3.5 5.553 4.359 0.170 17.790 6.59 1.79
54×4 54 4 6.283 4.932 0.170 19.760 7.32 1.77
54×4.5 54 4.5 6.998 5.493 0.170 21.610 8.00 1.76
54×5 54 5 7.697 6.042 0.170 23.340 8.64 1.74
57×2 57 2 3.456 2.713 0.179 13.080 4.59 1.95
57×2.5 57 2.5 4.280 3.360 0.179 15.930 5.59 1.93
57×3 57 3 5.089 3.995 0.179 18.610 6.53 1.91
57×3.5 57 3.5 5.883 4.618 0.179 21.140 7.42 1.90
57×3 57 3 5.089 3.995 0.179 23.520 8.25 2.15
57×4.5 57 4.5 7.422 5.826 0.179 25.760 9.04 1.86
57×4 57 4 6.660 5.228 0.179 27.860 9.78 2.05
57×5.5 57 5.5 8.899 6.985 0.179 29.840 10.47 1.83
60×2 60 2 3.644 2.861 0.188 15.340 5.11 2.05
60×2.5 60 2.5 4.516 3.545 0.188 18.700 6.23 2.03
60×3 60 3 5.372 4.217 0.188 21.880 7.29 2.02
60×3.5 60 3.5 6.212 4.877 0.188 24.880 8.29 2.00
60×4 60 4 7.037 5.524 0.188 27.730 9.24 1.99
60×4.5 60 4.5 7.846 6.159 0.188 30.410 10.14 1.97
60×5 60 5 8.639 6.782 0.188 32.940 10.98 1.95
60×5.5 60 5.5 9.417 7.392 0.188 35.320 11.77 1.94
60×6 60 6 10.179 7.990 0.188 37.560 12.52 1.92
63.5×2 63 2 3.833 3.009 0.198 18.290 5.81 2.18
63.5×2.5 63 2.5 4.752 3.730 0.198 22.320 7.09 2.17
63.5×3 63 3 5.655 4.439 0.198 26.150 8.30 2.15
63.5×3.5 63 3.5 6.542 5.136 0.198 29.790 9.46 2.13
63.5×4 63 4 7.414 5.820 0.198 33.240 10.55 2.12
63.5×4.5 63 4.5 8.270 6.492 0.198 36.500 11.59 2.10
63.5×5 63 5 9.111 7.152 0.198 39.600 12.57 2.08
63.5×5.5 63 5.5 9.935 7.799 0.198 42.520 13.50 2.07
63.5×6 63 6 10.744 8.434 0.198 45.280 14.37 2.05
68×3 68 3 6.126 4.809 0.214 32.420 9.54 2.30
68×3.5 68 3.5 7.092 5.567 0.214 36.990 10.88 2.28
68×4 68 4 8.042 6.313 0.214 41.340 12.16 2.27
68×4.5 68 4.5 8.977 7.047 0.214 45.470 13.37 2.25
68×5 68 5 9.896 7.768 0.214 49.410 14.53 2.23
68×5.5 68 5.5 10.799 8.477 0.214 53.140 15.63 2.22
68×6 68 6 11.687 9.174 0.214 56.680 16.67 2.20
70×2 70 2 4.273 3.354 0.220 24.720 7.06 2.41
70×2.5 70 2.5 5.301 4.162 0.220 30.230 8.64 2.39
70×3 70 3 6.315 4.957 0.220 35.500 10.14 2.37
70×3.5 70 3.5 7.312 5.740 0.220 40.530 11.58 2.35
70×4 70 4 8.294 6.511 0.220 45.330 12.95 2.34
70×4.5 70 4.5 9.260 7.269 0.220 49.890 14.25 2.32
70×5 70 5 10.210 8.015 0.220 54.240 15.50 2.30
70×5.5 70 5.5 11.145 8.749 0.220 58.380 16.68 2.29
70×6 70 6 12.064 9.470 0.220 62.310 17.80 2.27
70×7 70 7 13.854 10.876 0.220 69.580 19.88 2.24
73×3 73 3 6.597 5.179 0.229 40.480 11.09 2.48
73×3.5 73 3.5 7.642 5.999 0.229 46.260 12.67 2.46
73×4 73 4 8.671 6.807 0.229 51.780 14.19 2.44
73×4.5 73 4.5 9.684 7.602 0.229 57.040 15.63 2.43
73×5 73 5 10.681 8.385 0.229 62.070 17.01 2.41
73×5.5 73 5.5 11.663 9.156 0.229 66.870 18.32 2.39
73×6 73 6 12.629 9.914 0.229 71.430 19.57 2.38
73×7 73 7 14.514 11.394 0.229 79.920 21.90 2.35
76×2 76 2 4.650 3.650 0.239 31.850 8.38 2.62
76×2.5 76 2.5 5.773 4.532 0.239 39.030 10.27 2.60
76×3 76 3 6.880 5.401 0.239 45.910 12.08 2.58
76×3.5 76 3.5 7.972 6.258 0.239 52.500 13.82 2.57
76×4 76 4 9.048 7.103 0.239 58.810 15.48 2.55
76×4.5 76 4.5 10.108 7.935 0.239 64.850 17.07 2.53
76×5 76 5 11.153 8.755 0.239 70.620 18.58 2.52
76×5.5 76 5.5 12.182 9.562 0.239 76.140 20.04 2.50
76×6 76 6 13.195 10.358 0.239 81.410 21.42 2.48
76×7 76 7 15.174 11.912 0.239 91.230 24.01 2.45
83×2 83 2 5.089 3.995 0.261 41.760 10.06 2.86
83×2.5 83 2.5 6.322 4.963 0.261 51.260 12.35 2.85
83×3 83 3 7.540 5.919 0.261 60.400 14.55 2.83
83×3.5 83 3.5 8.741 6.862 0.261 69.190 16.67 2.81
83×4 83 4 9.927 7.793 0.261 77.640 18.71 2.80
83×4.5 83 4.5 11.098 8.712 0.261 85.760 20.67 2.78
83×5 83 5 12.252 9.618 0.261 93.560 22.54 2.76
83×5.5 83 5.5 13.391 10.512 0.261 101.040 24.35 2.75
83×6 83 6 14.514 11.394 0.261 108.220 26.08 2.73
83×7 83 7 16.713 13.120 0.261 121.690 29.32 2.70
83×8 83 8 18.850 14.797 0.261 134.040 32.30 2.67
89×2 89 2 5.466 4.291 0.280 51.750 11.63 3.08
89×2.5 89 2.5 6.794 5.333 0.280 63.590 14.29 3.06
89×3 89 3 8.105 6.363 0.280 75.020 16.86 3.04
89×3.5 89 3.5 9.401 7.380 0.280 86.050 19.34 3.03
89×4 89 4 10.681 8.385 0.280 96.680 21.73 3.01
89×4.5 89 4.5 11.946 9.378 0.280 106.920 24.03 2.99
89×5 89 5 13.195 10.358 0.280 116.790 26.24 2.98
89×5.5 89 5.5 14.428 11.326 0.280 126.290 28.38 2.96
89×6 89 6 15.645 12.281 0.280 135.430 30.43 2.94
89×7 89 7 18.033 14.156 0.280 152.670 34.31 2.91
89×8 89 8 20.358 15.981 0.280 168.590 37.89 2.88
95×2 95 2 5.843 4.587 0.298 63.200 13.31 3.29
95×2.5 95 2.5 7.265 5.703 0.298 77.760 16.37 3.27
95×3 95 3 8.671 6.807 0.298 91.830 19.33 3.25
95×3.5 95 3.5 10.061 7.898 0.298 105.450 22.20 3.24
95×4 95 4 11.435 8.977 0.298 118.600 24.97 3.22
95×4.5 95 4.5 12.794 10.043 0.298 131.310 27.64 3.20
95×5 95 5 14.137 11.098 0.298 143.580 30.23 3.19
95×5.5 95 5.5 15.464 12.140 0.298 155.430 32.72 3.17
95×6 95 6 16.776 13.169 0.298 166.860 35.13 3.15
95×7 95 7 19.352 15.191 0.298 188.510 39.69 3.12
95×8 95 8 21.865 17.164 0.298 208.620 43.92 3.09
102×2 102 2 6.283 4.932 0.320 78.570 15.41 3.54
102×2.5 102 2.5 7.815 6.135 0.320 96.770 18.97 3.52
102×3 102 3 9.331 7.324 0.320 114.420 22.44 3.50
102×3.5 102 3.5 10.831 8.502 0.320 131.520 25.79 3.48
102×4 102 4 12.315 9.667 0.320 148.090 29.04 3.47
102×4.5 102 4.5 13.784 10.820 0.320 164.140 32.18 3.45
102×5 102 5 15.237 11.961 0.320 179.720 35.24 3.43
102×5.5 102 5.5 16.674 13.089 0.320 194.720 38.18 3.42
102×6 102 6 18.096 14.205 0.320 209.280 41.04 3.40
102×7 102 7 20.892 16.400 0.320 236.960 46.46 3.37
102×8 102 8 23.625 18.545 0.320 262.830 51.54 3.34
102×10 102 10 28.903 22.689 0.320 309.400 60.67 3.27
108×3 108 3 9.896 7.768 0.339 136.490 25.28 3.71
108×3.5 108 3.5 11.490 9.020 0.339 157.020 29.08 3.70
108×4 108 4 13.069 10.259 0.339 176.950 32.77 3.68
108×4.5 108 4.5 14.632 11.486 0.339 196.300 36.35 3.66
108×5 108 5 16.179 12.701 0.339 215.060 39.83 3.65
108×5.5 108 5.5 17.711 13.903 0.339 233.260 43.20 3.63
108×6 108 6 19.227 15.093 0.339 250.910 46.46 3.61
108×7 108 7 22.211 17.436 0.339 284.580 52.70 3.58
108×8 108 8 25.133 19.729 0.339 316.170 58.55 3.55
108×10 108 10 30.788 24.168 0.339 373.450 69.16 3.48
114×3 114 3 10.462 8.212 0.358 161.240 28.29 3.93
114×3.5 114 3.5 12.150 9.538 0.358 185.630 32.57 3.91
114×4 114 4 13.823 10.851 0.358 209.350 36.73 3.89
114×4.5 114 4.5 15.480 12.152 0.358 232.410 40.77 3.87
114×5 114 5 17.122 13.441 0.358 254.810 44.70 3.86
114×5.5 114 5.5 18.747 14.717 0.358 276.580 48.52 3.84
114×6 114 6 20.358 15.981 0.358 297.730 52.23 3.82
114×7 114 4 13.823 10.851 0.358 338.190 59.33 4.95
114×8 114 8 26.641 20.913 0.358 376.300 66.02 3.76
114×10 114 10 32.673 25.648 0.358 445.820 78.21 3.69
121×3 121 3 11.121 8.730 0.380 193.690 32.01 4.17
121×3.5 121 3.5 12.920 10.142 0.380 223.170 36.89 4.16
121×4 121 4 14.703 11.542 0.380 251.870 41.63 4.14
121×4.5 121 4.5 16.470 12.929 0.380 279.830 46.25 4.12
121×5 121 5 18.221 14.304 0.380 307.050 50.75 4.11
121×5.5 121 5.5 19.957 15.666 0.380 333.540 55.13 4.09
121×6 121 6 21.677 17.016 0.380 359.320 59.39 4.07
121×7 121 7 25.070 19.680 0.380 408.800 67.57 4.04
121×8 121 8 28.400 22.294 0.380 455.570 75.30 4.01
121×10 121 10 34.872 27.374 0.380 541.430 89.49 3.94
127×3 127 3 11.687 9.174 0.399 224.750 35.39 4.39
127×3.5 127 3.5 13.580 10.660 0.399 259.110 40.80 4.37
127×4 127 4 15.457 12.133 0.399 292.610 46.08 4.35
127×4.5 127 4.5 17.318 13.595 0.399 325.290 51.23 4.33
127×5 127 5 19.164 15.044 0.399 357.140 56.24 4.32
127×5.5 127 5.5 20.994 16.480 0.399 388.190 61.13 4.30
127×6 127 6 22.808 17.904 0.399 418.440 65.90 4.28
127×7 127 7 26.389 20.716 0.399 476.630 75.06 4.25
127×8 127 8 29.908 23.478 0.399 531.800 83.75 4.22
127×10 127 10 36.757 28.854 0.399 633.550 99.77 4.15
127×12 127 12 43.354 34.033 0.399 724.500 114.09 4.09
133×4 133 4 16.211 12.725 0.418 337.530 50.76 4.56
133×4.5 133 4.5 18.166 14.261 0.418 375.420 56.45 4.55
133×5 133 5 20.106 15.783 0.418 412.400 62.02 4.53
133×5.5 133 5.5 22.030 17.294 0.418 448.500 67.44 4.51
133×6 133 6 23.939 18.792 0.418 483.720 72.74 4.50
133×7 133 7 27.709 21.751 0.418 551.580 82.94 4.46
133×8 133 8 31.416 24.662 0.418 616.110 92.65 4.43
133×10 133 10 38.642 30.334 0.418 735.590 110.62 4.36
133×12 133 12 45.616 35.809 0.418 843.040 126.77 4.30
140×4 140 4 17.090 13.416 0.440 395.470 56.50 4.81
140×4.5 140 4.5 19.156 15.037 0.440 440.120 62.87 4.79
140×5 140 5 21.206 16.647 0.440 483.760 69.11 4.78
140×5.5 140 5.5 23.240 18.243 0.440 526.400 75.20 4.76
140×6 140 6 25.258 19.828 0.440 568.060 81.15 4.74
140×7 140 7 29.248 22.960 0.440 648.510 92.64 4.71
140×8 140 8 33.175 26.043 0.440 725.210 103.60 4.68
140×10 140 10 40.841 32.060 0.440 867.860 123.98 4.61
140×12 140 12 48.255 37.880 0.440 996.950 142.42 4.55
140×14 140 14 55.418 43.503 0.440 1113.340 159.05 4.48
146×5 146 5 22.148 17.386 0.459 551.100 75.49 4.99
146×5.5 146 5.5 24.277 19.057 0.459 599.950 82.18 4.97
146×6 146 6 26.389 20.716 0.459 647.730 88.73 4.95
146×7 146 7 30.568 23.996 0.459 740.120 101.39 4.92
146×8 146 8 34.683 27.226 0.459 828.410 113.48 4.89
146×10 146 10 42.726 33.540 0.459 993.460 136.09 4.82
146×12 146 12 50.517 39.656 0.459 1142.940 156.57 4.76
146×14 146 14 58.057 45.574 0.459 1278.700 175.16 4.69
152×5 152 5 23.091 18.126 0.478 624.430 82.16 5.20
152×5.5 152 5.5 25.313 19.871 0.478 680.060 89.48 5.18
152×6 152 6 27.520 21.603 0.478 734.520 96.65 5.17
152×7 152 7 31.887 25.031 0.478 839.990 110.53 5.13
152×8 152 8 36.191 28.410 0.478 940.970 123.81 5.10
152×10 152 10 44.611 35.019 0.478 1129.990 148.68 5.03
152×12 152 12 52.779 41.431 0.478 1302.580 171.39 4.97
152×14 152 14 60.696 47.646 0.478 1459.730 192.07 4.90
159×5 159 5 24.190 18.989 0.500 717.880 90.30 5.45
159×6 159 6 28.840 22.639 0.500 845.190 106.31 5.41
159×7 159 7 33.427 26.240 0.500 967.410 121.69 5.38
159×8 159 8 37.950 29.791 0.500 1084.670 136.44 5.35
159×10 159 10 46.810 36.746 0.500 1304.880 164.14 5.28
159×12 159 12 55.418 43.503 0.500 1506.880 189.54 5.21
159×14 159 14 63.774 50.063 0.500 1691.690 212.79 5.15
168×5 168 5 25.604 20.099 0.528 851.140 101.33 5.77
168×6 168 6 30.536 23.971 0.528 1003.120 119.42 5.73
168×7 168 7 35.406 27.794 0.528 1149.360 136.83 5.70
168×8 168 8 40.212 31.567 0.528 1290.010 153.57 5.66
168×10 168 10 49.637 38.965 0.528 1555.130 185.13 5.60
168×12 168 12 58.811 46.166 0.528 1799.600 214.24 5.53
168×14 168 14 67.733 53.170 0.528 2024.530 241.02 5.47
168×16 168 16 76.404 59.977 0.528 2230.980 265.59 5.40
180×5 180 5 27.489 21.579 0.565 1053.170 117.02 6.19
180×6 180 6 32.798 25.747 0.565 1242.720 138.08 6.16
180×7 180 7 38.045 29.865 0.565 1425.630 158.40 6.12
180×8 180 8 43.228 33.934 0.565 1602.040 178.00 6.09
180×10 180 10 53.407 41.925 0.565 1936.010 215.11 6.02
180×12 180 12 63.335 49.718 0.565 2245.840 249.54 5.95
180×14 180 14 73.011 57.313 0.565 2532.740 281.42 5.89
180×16 180 16 82.435 64.712 0.565 2797.860 310.87 5.83
194×5 194 5 29.688 23.305 0.609 1326.540 136.76 6.68
194×6 194 6 35.437 27.818 0.609 1567.210 161.57 6.65
194×7 194 7 41.123 32.282 0.609 1800.080 185.58 6.62
194×8 194 8 46.747 36.696 0.609 2025.310 208.79 6.58
194×10 194 10 57.805 45.377 0.609 2453.550 252.94 6.51
194×12 194 12 68.612 53.861 0.609 2853.250 294.15 6.45
194×14 194 14 79.168 62.147 0.609 3225.710 332.55 6.38
194×16 194 16 89.473 70.236 0.609 3572.190 368.27 6.32
194×18 194 18 99.526 78.128 0.609 3893.940 401.44 6.25
203×6 203 6 37.134 29.150 0.638 1803.070 177.64 6.97
203×8 203 8 49.009 38.472 0.638 2333.370 229.89 6.90
203×10 203 10 60.633 47.597 0.638 2830.720 278.89 6.83
203×12 203 12 72.005 56.524 0.638 3296.490 324.78 6.77
203×14 203 14 83.127 65.254 0.638 3732.070 367.69 6.70
203×16 203 16 93.996 73.787 0.638 4138.780 407.76 6.64
203×18 203 18 104.615 82.123 0.638 4517.930 445.12 6.57
219×6 219 6 40.150 31.517 0.688 2278.740 208.10 7.53
219×8 219 8 53.030 41.629 0.688 2955.430 269.90 7.47
219×10 219 10 65.659 51.543 0.688 3593.290 328.15 7.40
219×12 219 12 78.037 61.259 0.688 4193.810 383.00 7.33
219×14 219 14 90.164 70.779 0.688 4758.500 434.57 7.26
219×16 219 16 102.039 80.101 0.688 5288.810 483.00 7.20
219×18 219 18 113.663 89.225 0.688 5786.150 528.42 7.13
219×20 219 20 125.035 98.153 0.688 6251.930 570.95 7.07
245×7 245 7 52.339 41.086 0.770 3709.060 302.78 8.42
245×8 245 8 59.565 46.758 0.770 4186.870 341.79 8.38
245×10 245 10 73.827 57.955 0.770 5105.630 416.79 8.32
245×12 245 12 87.839 68.954 0.770 5976.670 487.89 8.25
245×14 245 14 101.599 79.755 0.770 6801.680 555.24 8.18
245×16 245 16 115.108 90.360 0.770 7582.300 618.96 8.12
245×18 245 18 128.365 100.767 0.770 8320.170 679.20 8.05
245×20 245 20 141.372 110.977 0.770 9016.860 736.07 7.99
273×8 273 8 66.602 52.282 0.858 5851.710 428.70 9.37
273×10 273 10 82.624 64.860 0.858 7154.090 524.11 9.31
273×12 273 12 98.395 77.240 0.858 8396.140 615.10 9.24
273×14 273 14 113.914 89.423 0.858 8579.750 628.55 8.68
273×16 273 16 129.182 101.408 0.858 10706.790 784.38 9.10
273×18 273 18 144.199 113.196 0.858 11779.080 862.94 9.04
273×20 273 20 158.965 124.787 0.858 12798.440 937.61 8.97
299×8 299 8 73.136 57.412 0.939 7747.420 518.22 10.29
299×10 299 10 90.792 71.272 0.939 9490.150 634.79 10.22
299×12 299 12 108.196 84.934 0.939 11159.520 746.46 10.16
299×14 299 14 125.350 98.399 0.939 12757.610 853.35 10.09
299×16 299 16 142.251 111.667 0.939 14286.480 955.62 10.02
299×18 299 18 158.902 124.738 0.939 15748.160 1053.39 9.96
299×20 299 20 175.301 137.611 0.939 17144.640 1146.80 9.89