These triangular pyramids about 3 inches high are used by potters to determine the highest temperature reached during a firing of a kiln. The cones are made in a series with differing compositions, so that they melt at different temperatures.
| Segar Cone Number |
Temperature in °F |
|---|---|
| 010 | 1743° |
| 09 | 1778° |
| 08 | 1814° |
| 07 | 1850° |
| 06 | 1886° |
| 05 | 1922° |
| 04 | 1958° |
| 03 | 1994° |
| 02 | 2030° |
| 01 | 2066° |
| 1 | 2102° |
| 2 | 2138° |
| 3 | 2174° |
| 4 | 2210° |
| 5 | 2246° |
| 6 | 2282° |
| 7 | 2318° |
| 8 | 2354° |
| 9 | 2390° |
| 10 | 2426° |
| 11 | 2462° |
| 12 | 2498° |
| 13 | 2534° |
| 14 | 2570° |
| 15 | 2606° |
| 16 | 2642° |
| 17 | 2678° |
| 18 | 2714° |
| 19 | 2750° |
| 20 | 2786° |
| 21 | 2822° |
| 22 | 2858° |
| 23 | 2894° |
| 24 | 2930° |
| 25 | 2966° |
| 26 | 3002° |
| 27 | 3038° |
| 28 | 3074° |
| 29 | 3110° |
| 30 | 3146° |
| 31 | 3182° |
| 32 | 3218° |
| 33 | 3254° |
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Last revised: 8 May 2001.