Pyrometric Cones

 

Orton Logo    Orton Pyrometric Cones

Temperature Equivilents (°F)
Orton Regular Pyrometric Cones

Large Cones (2½" High) - $8.50 per box of 50
Small Cones (1¼" High) - $7.10 per box of 50
Bars - $7.30 per box of 50
Large Self-Supporting Cones - $7.00 per box of 25

(Sold only in full boxes of one cone number)
 

  Large Cones Small cones

Heating rate °F per hour (last 200° of firing)

Cone 108 270 540
       
022
021
020
019
018
017
 
N/A
N/A
N/A
1249
1314
1357
N/A
N/A
N/A
1279
1350
1402
 
1166
1189
1231
1333
1386
1443
016
015
014
013
012
011
 
1416
1450
1485
1539
1576
1603
1461
1501
1537
1578
1616
1638
1517
1549
1598
1616
1652
1679
010
09
08
07
06
05½
 
1648
1683
1728
1783
1823
1854
1675
1702
1749
1805
1852
1873
 
1686
1751
1801
1846
1873
1909
05
04
03
02
01
 
1886
1940
1987
2014
2043
1915
1958
2014
2048
2079
1944
2008
2068
2098
2152
1
2
3
4
5

6
2077
2088
2106
2120
2163
2194
2228
 
2109
2124
2134
2158
2201
2233
2266
 
2163
2174
2185
2208
2230
N/A
2291
7
8
9
10
11
12
13
14
2259
2277
2295
2340
2359
2379
2410
2530
2291
2316
2332
2377
2394
2415
2455
2491
2307
2372
2403
2426
2437
2471
N/A
N/A

Back to top

Standard Logo Small
       HOME       MOIST CLAYS       CASTING SLIPS       GLAZES       MATERIALS       TOOLS & MISC.       DISTRIBUTORS       CONTACT