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Steel Designers Manual - TheBestFriend.org

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This material is copyright - all rights reserved. Reproduced under licence from The <strong>Steel</strong> Construction Institute on 12/2/2007<br />

To buy a hardcopy version of this document call 01344 872775 or go to http://shop.steelbiz.<strong>org</strong>/<br />

<strong>Steel</strong> <strong>Designers</strong>' <strong>Manual</strong> - 6th Edition (2003)<br />

1118 Second moments of area<br />

Depth<br />

d.<br />

mm<br />

SECOND MOMENTS OF AREA (cm4)<br />

OF RECTANGULAR PLATES<br />

about axis x —x<br />

THICKNESS t MILLIMETRES<br />

3 4 5 6 8 10<br />

25 391 521 651 781 104 1 30<br />

50 313 417 5.21 6.25 8.33 10.4<br />

75 10.5 14 1 17.6 21.1 28 1 35.2<br />

100 25.0 33.3 41,7 50.0 667 83.3<br />

125 488 651 81.4 977 130 163<br />

150 84.4 113 141 169 225 281<br />

175 134 179 223 268 357 447<br />

200 200 267 333 400 533 667<br />

225 285 380 475 570 759 949<br />

250 391 521 651 781 1042 1302<br />

275 520 693 867 1040 1386 1733<br />

300 675 900 1125 1350 1800 2250<br />

325 858 1144 1430 1716 2289 2861<br />

350 1072 1429 1786 2144 2858 3573<br />

375 1318 1758 2197 2637 3516 4395<br />

400 1600 2133 2667 3200 4267 5333<br />

425 1919 2559 3199 3838 5118 6397<br />

450 2278 3038 3797 4556 6075 7594<br />

475 2679 3572 4465 5359 7145 8931<br />

500 3125 4167 5208 6250 8333 10417<br />

525 3618 4823 6029 7235 9647 12059<br />

550 4159 5546 6932 8319 11092 13865<br />

575 4753 6337 7921 9505 12674 15842<br />

600 5400 7200 9000 10800 14400 18000<br />

625 6104 8138 10173 12207 16276 20345<br />

650 6866 9154 11443 13731 18308 22885<br />

675 7689 10252 12814 15377 20503 25629<br />

700 8575 11433 14292 17150 22867 28583<br />

725 9527 12703 15878 19054 25405 31757<br />

750 10547 14063 17578 21094 28125 35156<br />

775 11637 15516 19395 23274 31032 38790<br />

800 12800 17067 21333 25600 34133 42667<br />

825 14038 18717 23396 28076 37434 46793<br />

850 15353 20471 25589 30706 40942 51177<br />

875 16748 22331 27913 33496 44661 55827<br />

900 18225 24300 30375 36450 48600 60750

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