Basic dimensions and main parameters of rectangular hollow section steel
Basic dimensions and main parameter specifications of rectangular hollow steel GB6728, ASTM A500
| Side length | size | Wall thickness | The theory of | Cross section | Moment of inertia | Radius of gyration | Section modulus | |||||
| Allowable deviation | The weight of the | Area | ||||||||||
| A | B | Ordinary precision | A high precision | Ix | Iy | rx | ry | Wx | Wy | |||
| 50 | 25 | + / – 1.00 | + / – 0.50 | 1.2 | 1.338 | 1.705 | 5.502 | 1.875 | 1.796 | 1.048 | 2.2 | 1.5 |
| 1.5 | 1.65 | 2.102 | 6.653 | 2.253 | 1.779 | 1.035 | 2.661 | 1.802 | ||||
| 30 | 2.5 | 2.817 | 3.589 | 11.296 | 5.05 | 1.774 | 1.186 | 4.518 | 3.366 | |||
| 3 | 3.303 | 4.208 | 12.827 | 5.696 | 1.745 | 1.163 | 5.13 | 3.797 | ||||
| 4 | 4.198 | 5.347 | 15.239 | 6.682 | 1.688 | 1.117 | 6.095 | 4.455 | ||||
| 60 | + / – 1.20 | + / – 0.60 | 2.5 | 3.209 | 4.089 | 17.933 | 5.998 | 2.094 | 1.211 | 5.977 | 3.998 | |
| 3 | 3.774 | 4.808 | 20.496 | 6.794 | 2.064 | 1.188 | 6.832 | 4.529 | ||||
| 4 | 4.826 | 6.147 | 24.691 | 8.045 | 2.004 | 1.143 | 8.23 | 5.363 | ||||
| 40 | 2.5 | 3.602 | 4.589 | 22.069 | 11.734 | 2.192 | 1.599 | 7.356 | 5.867 | |||
| 3 | 4.245 | 5.408 | 25.347 | 13.436 | 2.166 | 1.576 | 8.458 | 6.718 | ||||
| 4 | 5.454 | 6.947 | 30.974 | 16.269 | 2.111 | 1.53 | 10.324 | 10.324 | ||||
| 70 | 50 | 3 | 5.187 | 6.608 | 44.046 | 26.09 | 2.581 | 1.987 | 12.584 | 10.439 | ||
| 4 | 6.71 | 8.547 | 54.663 | 32.21 | 2.528 | 1.941 | 15.618 | 12.884 | ||||
| 5 | 8.129 | 10.356 | 63.435 | 37.179 | 2.474 | 1.894 | 18.124 | 14.871 | ||||
| 80 | 40 | + / – 1.40 | + / – 0.70 | 2.5 | 4.387 | 5.589 | 45.103 | 15.255 | 2.84 | 1.652 | 11.275 | 7.627 |
| 3 | 5.187 | 6.608 | 52.246 | 17.552 | 2.811 | 1.629 | 13.061 | 8.776 | ||||
| 4 | 6.71 | 8.547 | 64.78 | 21.474 | 2.752 | 1.585 | 16.195 | 10.737 | ||||
| 5 | 8.129 | 10.356 | 75.08 | 24.567 | 2.692 | 1.54 | 18.77 | 12.283 | ||||
| 60 | 3 | 6.129 | 7.808 | 70.042 | 44.886 | 2.995 | 2.397 | 17.51 | 14.962 | |||
| 4 | 7.966 | 10.147 | 87.905 | 56.105 | 2.943 | 2.351 | 21.976 | 18.701 | ||||
| 5 | 9.699 | 12.356 | 103.247 | 65.634 | 2.89 | 2.89 | 5.811 | 21.878 | ||||
| 90 | 40 | + / – 1.50 | + / – 0.75 | 3 | 5.658 | 7.268 | 70.487 | 19.61 | 3.127 | 1.649 | 15.663 | 9.805 |
| 4 | 7.338 | 9.347 | 87.894 | 24.077 | 3.066 | 1.604 | 19.532 | 12.038 | ||||
| 5 | 8.914 | 11.356 | 102.487 | 27.651 | 3.004 | 1.56 | 22.774 | 13.825 | ||||
| 50 | 3 | 6.129 | 7.808 | 81.845 | 32.735 | 3.237 | 2.047 | 18.187 | 13.094 | |||
| 4 | 7.966 | 10.147 | 102.696 | 40.695 | 3.181 | 3.181 | 22.821 | 16.278 | ||||
| 5 | 9.699 | 12.356 | 120.57 | 47.345 | 3.123 | 1.957 | 26.793 | 18.938 | ||||
| 60 | 3 | 6.6 | 8.408 | 93.203 | 49.764 | 3.329 | 2.432 | 20.711 | 16.588 | |||
| 4 | 8.594 | 10.947 | 117.499 | 2.387 | 3.276 | 2.387 | 26.111 | 20.795 | ||||
| 5 | 10.484 | 13.356 | 138.653 | 73.218 | 3.222 | 2.341 | 30.811 | 24.406 | ||||
| 100 | 50 | + / – 1.60 | + / – 0.80 | 3 | 6.6 | 8.408 | 106.451 | 36.053 | 3.558 | 2.07 | 2.07 | 14.421 |
| 4 | 8.594 | 10.947 | 134.124 | 44.938 | 3.5 | 2.026 | 26.824 | 17.975 | ||||
| 5 | 10.484 | 13.356 | 158.155 | 52.429 | 3.441 | 1.981 | 31.631 | 20.971 | ||||
| 120 | 60 | + / – 1.80 | + / – 0.90 | 3 | 8.013 | 10.208 | 189.113 | 64.398 | 4.304 | 2.511 | 31.518 | 21.466 |
| 4 | 10.478 | 13.347 | 240.724 | 81.235 | 4.246 | 2.466 | 40.12 | 27.078 | ||||
| 5 | 12.839 | 16.356 | 286.941 | 5.968 | 4.188 | 2.422 | 2.422 | 2.422 | ||||
| 6 | 15.097 | 19.232 | 327.95 | 108.716 | 4.129 | 2.377 | 54.658 | 36.238 | ||||
| 80 | 3 | 8.955 | 11.408 | 230.189 | 123.43 | 4.491 | 3.289 | 38.364 | 30.857 | |||
| 4 | 11.734 | 14.947 | 294.569 | 157.281 | 4.439 | 3.243 | 49.094 | 39.32 | ||||
| 5 | 14.409 | 18.356 | 353.108 | 187.747 | 4.385 | 3.198 | 58.851 | 46.936 | ||||
| 6 | 16.981 | 21.632 | 405.998 | 214.977 | 4.332 | 3.152 | 67.666 | 53.744 | ||||
| 140 | + / – 2.00 | + / – 1.00 | 4 | 12.99 | 16.547 | 429.582 | 180.407 | 5.095 | 3.301 | 61.368 | 45.101 | |
| 5 | 15.979 | 20.356 | 517.023 | 215.914 | 5.039 | 3.256 | 73.86 | 73.86 | ||||
| 6 | 18.865 | 24.032 | 596.935 | 247.905 | 4.983 | 3.211 | 85.276 | 61.976 | ||||
| 150 | 100 | + / – 2.4 | + / – 1.20 | 4 | 14.874 | 18.947 | 594.585 | 318.551 | 5.601 | 4.1 | 79.278 | 63.71 |
| 5 | 18.334 | 23.356 | 719.164 | 383.988 | 5.549 | 4.054 | 95.888 | 76.797 | ||||
| 6 | 21.691 | 27.632 | 834.615 | 444.135 | 5.495 | 4.009 | 111.282 | 88.827 | ||||
| 8 | 28.096 | 35.791 | 1039.101 | 549.308 | 5.388 | 3.917 | 138.546 | 109.861 | ||||
| 160 | 80 | 4 | 14.246 | 18.147 | 597.691 | 203.532 | 5.738 | 3.348 | 74.711 | 50.883 | ||
| 5 | 17.549 | 22.356 | 721.65 | 244.08 | 5.681 | 3.304 | 90.206 | 61.02 | ||||
| 6 | 20.749 | 26.432 | 835.936 | 280.833 | 5.623 | 5.623 | 104.492 | 70.208 | ||||
| 8 | 26.84 | 26.84 | 26.84 | 343.599 | 5.505 | 3.17 | 129.56 | 85.899 | ||||
| 180 | + / – 2.60 | 4 | 16.758 | 21.347 | 926.02 | 373.879 | 6.586 | 4.184 | 102.891 | 74.775 | ||
| 5 | 20.689 | 26.356 | 1124.156 | 451.738 | 6.53 | 4.14 | 124.906 | 124.906 | ||||
| 6 | 24.517 | 31.232 | 1809.531 | 523.767 | 6.475 | 4.095 | 145.503 | 104.753 | ||||
| 8 | 31.864 | 40.591 | 1643.149 | 651.132 | 6.362 | 4.005 | 182.572 | 130.226 | ||||
| 200 | 4 | 18.014 | 22.947 | 1199.68 | 410.764 | 7.23 | 4.23 | 119.968 | 82.152 | |||
| 5 | 22.259 | 28.356 | 1459.207 | 496.905 | 7.173 | 4.186 | 145.92 | 99.381 | ||||
| 6 | 26.401 | 33.632 | 1703.224 | 576.855 | 7.116 | 4.141 | 170.322 | 115.371 | ||||
| 8 | 34.376 | 43.791 | 2145.993 | 719.014 | 7 | 4.052 | 214.599 | 143.802 | ||||
Source: China Rectangular Hollow section Steel Manufacturer – Yaang Pipe Industry Co., Limited (www.epowermetals.com)
(Yaang Pipe Industry is a leading manufacturer and supplier of nickel alloy and stainless steel products, including Super Duplex Stainless Steel Flanges, Stainless Steel Flanges, Stainless Steel Pipe Fittings, Stainless Steel Pipe. Yaang products are widely used in Shipbuilding, Nuclear power, Marine engineering, Petroleum, Chemical, Mining, Sewage treatment, Natural gas and Pressure vessels and other industries.)
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