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European Technical Approval Technical Approval ETA 12 ... - Hempel

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Page 37 of 46 of <strong>ETA</strong> <strong>12</strong>/0581, issued on 17.01.2013<br />

Table A1.27: Columns, 4-sided circular hollow sections.<br />

Section Factor<br />

Design Temperature 750ºC<br />

Thickness (mm ) required for the RF period –only intumescent coating<br />

m -1 15 min 30 min 45 min 60 min 90 min <strong>12</strong>0 min 180 min 240 min 300 min<br />

45 0,256 0,256 0,256 0,256 0,885 1,742 3,455 5,168 -<br />

50 0,256 0,256 0,256 0,256 1,115 2,049 3,917 - -<br />

55 0,256 0,256 0,256 0,328 1,337 2,345 4,362 - -<br />

60 0,256 0,256 0,256 0,470 1,551 2,631 4,791 - -<br />

65 0,256 0,256 0,256 0,607 1,757 2,906 5,205 - -<br />

70 0,256 0,256 0,256 0,739 1,956 3,172 - - -<br />

75 0,256 0,256 0,256 0,867 2,148 3,428 - - -<br />

80 0,256 0,256 0,319 0,990 2,333 3,676 - - -<br />

85 0,256 0,256 0,408 1,110 2,513 3,916 - - -<br />

90 0,256 0,256 0,494 1,225 2,686 4,148 - - -<br />

95 0,256 0,256 0,577 1,336 2,854 4,372 - - -<br />

100 0,256 0,256 0,658 1,444 3,017 4,590 - - -<br />

105 0,256 0,256 0,736 1,549 3,175 4,800 - - -<br />

110 0,256 0,256 0,8<strong>12</strong> 1,651 3,328 5,005 - - -<br />

115 0,256 0,256 0,886 1,749 3,476 5,203 - - -<br />

<strong>12</strong>0 0,256 0,256 0,957 1,845 3,620 - - - -<br />

<strong>12</strong>5 0,256 0,256 1,026 1,937 3,759 - - - -<br />

130 0,256 0,256 1,094 2,027 3,895 - - - -<br />

135 0,256 0,256 1,159 2,115 4,026 - - - -<br />

140 0,256 0,256 1,223 2,200 4,154 - - - -<br />

145 0,256 0,286 1,284 2,283 4,279 - - - -<br />

150 0,256 0,326 1,344 2,363 4,400 - - - -<br />

155 0,256 0,365 1,403 2,441 4,518 - - - -<br />

160 0,256 0,402 1,460 2,517 4,632 - - - -<br />

165 0,256 0,439 1,515 2,592 4,744 - - - -<br />

170 0,256 0,475 1,569 2,664 4,853 - - - -<br />

175 0,256 0,509 1,622 2,734 4,959 - - - -<br />

180 0,256 0,543 1,673 2,803 5,062 - - - -<br />

185 0,256 0,576 1,723 2,870 5,163 - - - -<br />

190 0,256 0,609 1,772 2,935 - - - - -<br />

195 0,256 0,640 1,819 2,999 - - - - -<br />

200 0,256 0,671 1,866 3,061 - - - - -<br />

205 0,256 0,701 1,911 3,<strong>12</strong>1 - - - - -<br />

210 0,256 0,730 1,955 3,181 - - - - -<br />

215 0,256 0,759 1,999 3,239 - - - - -<br />

220 0,256 0,787 2,041 3,295 - - - - -<br />

225 0,256 0,814 2,082 3,350 - - - - -<br />

230 0,256 0,841 2,<strong>12</strong>3 3,404 - - - - -<br />

235 0,256 0,867 2,162 3,457 - - - - -<br />

240 0,256 0,892 2,201 3,509 - - - - -<br />

245 0,256 0,917 2,239 3,560 - - - - -<br />

250 0,256 0,942 2,275 3,609 - - - - -<br />

255 0,256 0,966 2,3<strong>12</strong> 3,657 - - - - -<br />

260 0,256 0,989 2,347 3,705 - - - - -<br />

265 0,256 1,0<strong>12</strong> 2,382 3,751 - - - - -<br />

270 0,256 1,035 2,416 3,797 - - - - -<br />

275 0,256 1,057 2,449 3,841 - - - - -<br />

280 0,256 1,078 2,482 3,885 - - - - -<br />

285 0,256 1,099 2,514 3,928 - - - - -<br />

290 0,256 1,<strong>12</strong>0 2,545 3,970 - - - - -<br />

295 0,256 1,141 2,576 4,011 - - - - -<br />

300 0,256 1,160 2,606 4,051 - - - - -<br />

305 0,256 1,180 2,635 4,091 - - - - -<br />

310 0,256 1,199 2,664 4,<strong>12</strong>9 - - - - -<br />

315 0,256 1,218 2,693 4,167 - - - - -<br />

320 0,256 1,236 2,721 4,205 - - - - -<br />

325 0,256 1,255 2,748 4,241 - - - - -<br />

330 0,256 1,272 2,775 4,277 - - - - -<br />

335 0,256 1,290 2,801 4,313 - - - - -<br />

340 0,256 1,307 2,827 4,347 - - - - -<br />

345 0,256 1,324 2,853 4,382 - - - - -<br />

350 0,256 1,340 2,878 4,415 - - - - -<br />

355 0,256 1,357 2,902 4,448 - - - - -

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