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

Page 29 of 46 of ETA 12/0581, issued on 17.01.2013
Table A1.19: Columns, 4-sided circular hollow sections.
Section Factor
Design Temperature 350ºC
Thickness (mm ) required for the RF period –only intumescent coating
m -1 15 min 30 min 45 min 60 min 90 min 120 min 180 min 240 min 300 min
45 0,256 0,798 1,616 2,433 4,069 - - - -
50 0,256 0,948 1,837 2,726 4,504 - - - -
55 0,256 1,091 2,048 3,006 4,921 - - - -
60 0,256 1,228 2,251 3,274 - - - - -
65 0,274 1,360 2,446 3,532 - - - - -
70 0,341 1,487 2,633 3,780 - - - - -
75 0,404 1,609 2,813 4,018 - - - - -
80 0,466 1,726 2,986 4,246 - - - - -
85 0,525 1,839 3,153 4,467 - - - - -
90 0,581 1,947 3,313 4,679 - - - - -
95 0,636 2,052 3,468 4,884 - - - - -
100 0,689 2,153 3,617 5,081 - - - - -
105 0,740 2,251 3,761 - - - - - -
110 0,789 2,345 3,900 - - - - - -
115 0,837 2,436 4,035 - - - - - -
120 0,883 2,524 4,165 - - - - - -
125 0,928 2,609 4,291 - - - - - -
130 0,971 2,692 4,413 - - - - - -
135 1,012 2,772 4,531 - - - - - -
140 1,053 2,849 4,645 - - - - - -
145 1,092 2,924 4,756 - - - - - -
150 1,130 2,997 4,863 - - - - - -
155 1,167 3,067 4,968 - - - - - -
160 1,203 3,136 5,069 - - - - - -
165 1,238 3,203 5,167 - - - - - -
170 1,272 3,267 - - - - - - -
175 1,305 3,330 - - - - - - -
180 1,337 3,391 - - - - - - -
185 1,368 3,451 - - - - - - -
190 1,398 3,509 - - - - - - -
195 1,428 3,565 - - - - - - -
200 1,456 3,620 - - - - - - -
205 1,484 3,674 - - - - - - -
210 1,512 3,726 - - - - - - -
215 1,538 3,777 - - - - - - -
220 1,564 3,826 - - - - - - -
225 1,589 3,875 - - - - - - -
230 1,614 3,922 - - - - - - -
235 1,638 3,968 - - - - - - -
240 1,662 4,013 - - - - - - -
245 1,685 4,057 - - - - - - -
250 1,707 4,100 - - - - - - -
255 1,729 4,142 - - - - - - -
260 1,751 4,183 - - - - - - -
265 1,771 4,223 - - - - - - -
270 1,792 4,262 - - - - - - -
275 1,812 4,300 - - - - - - -
280 1,832 4,338 - - - - - - -
285 1,851 4,375 - - - - - - -
290 1,870 4,410 - - - - - - -
295 1,888 4,446 - - - - - - -
300 1,906 4,480 - - - - - - -
305 1,924 4,514 - - - - - - -
310 1,941 4,547 - - - - - - -
315 1,958 4,579 - - - - - - -
320 1,975 4,611 - - - - - - -
325 1,991 4,642
330 2,007 4,673 - - - - - - -
335 2,022 4,703 - - - - - - -
340 2,038 4,732 - - - - - - -
345 2,053 4,761 - - - - - - -
350 2,068 4,789 - - - - - - -
355 2,082 4,817 - - - - - - -