U Type 6-12mm 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.

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Effect Of Different Atmosphere On Element Temperature

Atmosphere	Maximum Element Temperature
Atmosphere	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	300	350	500	550	600
150	987	1152	1262	1536	1810	2084
	0.044	0.051	0.056	0.068	0.080	0.093
	6.6	7.7	8.4	10.2	12.1	13.9
200	1025	1189	1299	1573	1848	2122	2396	Power (W)
	0.046	0.053	0.058	0.070	0.082	0.094	0.106	Resistance(Ω)
	6.8	7.9	8.7	10.5	12.3	14.1	16.0	Voltage (V)
250	1062	1227	1337	1611	1885	2159	2433	2708
	0.047	0.055	0.059	0.072	0.084	0.096	0.108	0.120
	7.1	8.2	8.9	10.7	12.6	14.4	16.2	18.1
270	1077	1242	1352	1626	1900	2174	2448	2723	2997
	0.048	0.055	0.06	0.072	0.084	0.097	0.109	0.121	0.133
	7.2	8.3	9.0	10.8	12.7	14.5	16.3	18.2	20.0
300	1100	1264	1374	1648	1923	2197	2471	2745	3019	3294	3568
	0.049	0.056	0.061	0.073	0.085	0.098	0.110	0.122	0.134	0.146	0.159
	7.3	8.4	9.2	11.0	12.8	14.6	16.5	18.3	20.1	22.0	23.8
350	1137	1302	1412	1686	1960	2234	2508	2783	3057	3331	3605
	0.051	0.058	0.063	0.075	0.087	0.099	0.111	0.124	0.136	0.148	0.160
	7.6	8.7	9.4	11.2	13.1	14.9	16.7	18.6	20.4	22.2	24.0
400	1175	1339	1449	1723	1998	2272	2546	2820	3094	3369	3643
	0.052	0.060	0.064	0.077	0.089	0.101	0.113	0.125	0.138	0.15	0.162
	7.8	8.9	9.7	11.5	13.3	15.1	17.0	18.8	20.6	22.5	24.3
450		1377	1487	1761	2035	2309	2583	2858	3132	3406	3680
		0.061	0.066	0.078	0.09	0.103	0.115	0.127	0.139	0.151	0.164
		9.2	9.9	11.7	13.6	15.4	17.2	19.1	20.9	22.7	24.5
500				1798	2073	2347	2621	2895	3169	3444	3718
				0.080	0.092	0.104	0.116	0.129	0.141	0.153	0.165
				12.0	13.8	15.6	17.5	19.3	21.1	23.0	24.8
550	Condition： Element Temperature 1500℃ Furnace Temperature 1300℃ Current 150A Surface Load 14.5W/C㎡				2110	2384	2658	2933	3207	3481	3755
					0.094	0.106	0.118	0.130	0.143	0.155	0.167
					14.1	15.9	17.7	19.6	21.4	23.2	25.0
600					2148	2422	2696	2970	3244	3519	3793
					0.095	0.108	0.12	0.132	0.144	0.156	0.169
					14.3	16.1	18.0	19.8	21.6	23.5	25.3
650							2733	3008	3282	3556	3830
							0.121	0.134	0.146	0.158	0.170
							18.2	20.1	21.9	23.7	25.5
700							2771	3045	3319	3594	3868
							0.123	0.135	0.148	0.16	0.172
							18.5	20.3	22.1	24	25.8

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W Type MoSi2 Heating Element Finished Product Test 1700℃

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U Type MoSi2 Heating Element Finished Product Test 1800℃