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U Type 9-18mm Heating Elements 1700 ℃

MoSi2 heating element is a kind of resistance heating element with high temperature resistance and oxidation resistance based on molybdenum disilicide. When used in high-temperature oxidizing atmosphere, like other Si based high-temperature resistant materials, MoSi2 surface will quickly form a bright and dense quartz (SiO2) glass film under high temperature and oxygen atmosphere, which can protect the inner layer of silicon molybdenum rod from further oxidation. Therefore, MoSi2 heating element has unique high-temperature oxidation resistance.

The resistivity of MoSi2 increases rapidly with the increase of temperature under the oxidizing atmosphere and the service temperature is about 1700 ℃. Under normal circumstances, the element resistance does not change with the length of service time. Therefore, the old and new MoSi2 heating elements can be mixed.

Effect Of Different Atmosphere On Element Temperature
Atmosphere Maximum Element Temperature
Heating 1700 Grade
Air 1700℃
Nitrogen 1600℃
Argon, Helium 1600℃
Hydrogen 1100-1450℃
N2/H2 95/5% 1250-1600℃
Parameters
Lu \ Le 150 180 200 250 300 350 400 450 500 550 600 650 700 750 800
250 1596 1841 2005 2414 2822 3231 3640 4049 4458 4866 5275 5684 6093 6502 6910
0.021 0.024 0.027 0.032 0.037 0.043 0.048 0.054 0.059 0.064 0.070 0.075 0.081 0.086 0.091
5.8 6.7 7.3 8.8 10.3 11.7 13.2 14.7 16.2 17.7 19.2 20.7 22.2 23.6 25.1
300 1653 1899 2062 2471 2880 3289 3697 4106 4515 4924 5333 5741 6150 6559 6968
0.022 0.025 0.027 0.033 0.038 0.043 0.049 0.054 0.060 0.065 0.071 0.076 0.081 0.087 0.092
6.0 6.9 7.5 9.0 10.5 12.0 13.4 14.9 16.4 17.9 19.4 20.9 22.4 23.9 25.3
350 1711 1956 2120 2529 2937 3346 3755 4164 4573 4981 5390 5799 6208 6617 7025
0.023 0.026 0.028 0.033 0.039 0.044 0.050 0.055 0.060 0.066 0.071 0.077 0.082 0.087 0.093
6.2 7.1 7.7 9.2 10.7 12.2 13.7 15.1 16.6 18.1 19.6 21.1 22.6 24.3 25.8
400 1768 2014 2177 2586 2995 3404 3812 4221 4630 5039 5448 5856 6265 6674 7083
0.023 0.027 0.029 0.034 0.040 0.045 0.050 0.056 0.061 0.067 0.072 0.077 0.083 0.088 0.094
6.4 7.3 7.9 9.4 10.9 12.4 13.9 15.3 16.8 18.3 19.8 21.3 22.8 24.3 25.8
450 2071 2235 2644 3052 3461 3870 4279 4688 5096 5505 5914 6323 6732 7140
0.027 0.030 0.035 0.040 0.046 0.051 0.057 0.062 0.067 0.073 0.078 0.084 0.089 0.094
7.5 8.1 9.6 11.1 12.6 14.1 15.6 17.0 18.5 20.0 21.5 23.0 24.5 26.0
500 2292 2701 3110 3519 3927 4336 4745 5154 5563 5971 6380 6789 7198
0.030 0.036 0.041 0.047 0.052 0.057 0.063 0.068 0.074 0.079 0.084 0.090 0.095
8.3 9.8 11.3 12.8 14.3 15.8 17.3 18.7 20.2 21.7 23.2 24.7 26.2
550 2759 3167 3576 3985 4394 4803 5211 5620 6029 6438 6847 7255
0.036 0.042 0.047 0.053 0.058 0.064 0.069 0.074 0.08 0.085 0.091 0.096
10.0 11.5 13.0 14.5 16.0 17.5 19.0 20.4 21.9 23.4 24.9 26.4
600 2816 3225 3634 4042 4451 4860 5269 5678 6086 6495 6904 7313
0.037 0.043 0.048 0.053 0.059 0.064 0.070 0.075 0.080 0.086 0.091 0.097
10.2 11.7 13.2 14.7 16.2 17.7 19.2 20.6 22.1 23.6 25.1 26.6
650 3282 3691 4100 4509 4918 5326 5735 6144 6553 6962 7370
0.043 0.049 0.054 0.060 0.065 0.070 0.076 0.081 0.087 0.092 0.097
11.9 13.4 14.9 16.4 17.9 19.4 20.9 22.3 23.8 25.3 26.8
700 Power (W) 3340 3749 4157 4566 4975 5384 5793 6201 6610 7019 7428
Resistance (Ω) 0.044 0.050 0.055 0.060 0.066 0.071 0.077 0.082 0.087 0.093 0.098
Voltage (V) 12.1 13.6 15.1 16.6 18.1 19.6 21.1 22.6 24.0 25.5 27.0
750 Condition:
Element Temperature 1500℃
Furnace Temperature 1300℃
Current  275A
Surface Load 14.5W/C㎡
3806 4215 4624 5033 5441 5850 6259 6668 7077 7485
0.050 0.056 0.061 0.067 0.072 0.077 0.083 0.088 0.094 0.099
13.8 15.3 16.8 18.3 19.8 21.3 22.8 24.2 25.7 27.2
800 3864 4272 4681 5090 5499 5908 6316 6725 7134 7543
0.051 0.056 0.062 0.067 0.073 0.078 0.084 0.089 0.084 0.100
14.0 15.5 17.0 18.5 20.0 21.5 23.0 24.5 25.9 27.4
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