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Product Details:
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Name: | Bright Type N NiCrSi NiSiMg NNX NPX Thermocouple Bare Wire | Size Range: | 0.08-12mm |
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Wire Surface: | Bright Or Oxidized(depends On Diameter) | Wire Material: | NiCrSi(positive) NiSiMg(negative) |
Standard: | GBT 4990-2010 | EMF Testing Method: | Oil Tank |
Accuracy: | Class 1 | ||
High Light: | NPX Bare Thermocouple Wire,Bright Type Bare Thermocouple Wire,Extension Bare Thermocouple Wire |
Bright Type N NiCrSi NiSiMg NNX NPX Thermocouple Bare Wire for Extension Cable
TYPE N (NiCrSi Vs.NiCrMg) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures.
1. Chemical Composition
Material | Chemical composition (%) | ||||
Ni | Cr | Si | Mg | Al | |
NP(NiCrSi) | bal | 13.7-14.7 | 1.2-1.6 | <0.01 | |
NN(NiCrMg) | bal | <0.02 | 4.2-4.6 | 0.5~1.5 |
2. Physical properties and Mechnical properties
Material |
Density(g/cm3) |
Melting point℃) |
Tensile Strength(Mpa) |
Volume resistivity(μΩ.cm) |
Elongation rate (%) |
NP(NiCrSi) | 8.5 | 1410 | >620 | 100.0 (20℃) | >30 |
NN(NiCrMg) | 8.6 | 1340 | >550 | 33.0(20℃) | >35 |
3. EMF Value range at different temperature
Material | EMF value Vs Pt(μV) | |||||
100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | |
NP(NiCrSi) | 1755~1813 | 3910~3976 | 6313~6383 | 8880~8959 | 11552~11654 | 14307~14433 |
NN(NiCrMg) | 975~1005 | 1954~1986 | 2975~3011 | 4035~4075 | 5120~5170 | 6212~6274 |
EMF value Vs Pt(μV) | |||||
700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | |
17129~17275 | 20010~20178 | 22951~23139 | 25943~26149 | 28972~29194 | |
7288~7362 | 8318~8402 | 9281~9373 | 10159~10261 | 10948~11060 |
Contact Person: Mr. Qiu
Tel: +8613795230939