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Furnace Temperatures |
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KIND OF FURNACES |
DEGREES C |
DEGREES F |
|
Boilers |
1000 to 1600 |
1800 to 2900 |
|
By - Product Coke Ovens |
1000 to 1500 |
1830 to 2730 |
|
Cement Kilns, Hot Zone |
1300 to 1600 |
2400 to 2900 |
|
Copper Converters |
1200 to 1300 |
2200 to 2400 |
|
Copper Refining Furnaces |
1250 to 1550 |
2300 to 2800 |
|
Copper Reverberatories |
1300 to 1570 |
2400 to 2850 |
|
Copper Roasters |
700 to 810 |
1300 to 1500 |
|
Gas Producer |
1260 to 1370 |
2300 to 2500 |
|
Gas Annealing Furnaces |
430 to 540 |
800 to 1000 |
|
Glass Tanks-bottle |
1370 to 1600 |
2500 to 2900 |
|
Glass Tanks-plate |
1370 to 1650 |
2500 to 3000 |
|
Iron and Steel Furnaces |
|
|
|
>> Annealing Oven |
760 to 980 |
1400 to 1800 |
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>> Blast Furnaces, tapping |
1370 to 1540 |
2500 to 2800 |
|
>> Bessemer Converter |
1540 to 1650 |
2800 to 3000 |
|
>> Electric Furnaces |
1450 to 1700 |
2650 to 3100 |
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>> Heating Furnaces |
980 to 1310 |
1800 to 2400 |
|
>> Malleable Furnaces |
1300 to 1650 |
2400 to 3000 |
|
Open
Hearths |
|
|
|
>>
Melting Chamber |
650 to 1680 |
1200 to 3050 |
|
>>
Checkers |
200 to 1430 |
400 to 2600 |
|
>>
Soaking Pits |
1150 to 1370 |
2100 to 2500 |
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Color Scale For Temperatures |
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Color |
Temperatures |
|
Lowest Visible Red |
475 |
885 |
|
Lowest Visible Red to Dark Red |
475 to 650 |
885 to 1200 |
|
Dark Red to Cherry Red |
650 to 750 |
1200 to 1380 |
|
Cherry Red to Bright Cherry Red |
750 to 815 |
1380 to 1500 |
|
Bright Cherry Red to Orange |
815 to 900 |
1500 to 1650 |
|
Orange to Yellow |
900 to 1090 |
1650 to 2000 |
|
Yellow to Light Yellow |
1090 to 1315 |
2000 to 2400 |
|
Light Yellow to White |
1315 to 1540 |
2400 to 2800 |
|
White to Dazzling White |
1540 to ....... |
2800 to ....... |
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