Thermocouple Type N NiCrSi NiSiMg 1000℃ High Temperature Accuracy Bare Wire
Brand Name:OHMALLOY/OEM
Certification:ISO9001:2015
Model Number:SP-N-BW
Minimum Order Quantity:5 KG
Delivery Time:3-18working days after payment confirmed
Payment Terms:L/C, T/T, ,Paypal
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Shanghai Shanghai China
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Room 311, No.1211, Mudanjiang Road, Baoshan district, Shanghai
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Thermocouple Type N NiCrSi NiSiMg 1000℃ High Temperature Accuracy Bare Wire
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 | |
Thermocouple Extension Cable-Know How
The Compensation Wire Name and Code
| Compensation Alloy Wire Name | Positive | Negative | ||
| Name | Code | Name | Code | |
| Copper-Copper Nickel 0.6 | Copper | SPC | Copper Nickel 0.6 | SNC |
| Copper-Copper Nickel 0.6 | Copper | RPC | Copper Nickel 0.6 | RNC |
| Iron-Copper Nickel 22 | Iron | KPCA | Copper Nickel 22 | KNCA |
| Copper-Copper Nickel 40 | Copper | KPCB | Copper Nickel 40 | KNCB |
| Chromel-NiSi3 | Ni90Cr10 | KPX | Ni97Si3 | KNX |
| Iron-Copper Nickel 18 | Iron | NPC | Copper Nickel 18 | NNC |
| NiCr14Si-NiSi4Mg | NiCr14Si | NPX | NiSi4Mg | NNX |
| NiCr10-Copper Nickel 45 | NiCr10 | EPX | Copper Nickel 45 | ENX |
| Iron-Copper Nickel 45 | Iron | JPX | Copper Nickel 45 | JNX |
| Copper-Copper Nickel 45 | Copper | TPX | Copper Nickel 45 | TNX |
The Compensation Wire Nominal Chemical Composition
| Alloy Name | Code | Nominal Chemical Composition(%) | |||||
| Cu | Ni | Cr | Si | Fe | Mg | ||
| Copper | SPC | 100 | - | - | - | - | - |
| RPC | |||||||
| KPC | |||||||
| TPC | |||||||
| CuNi0.6 | SNC | 99.4 | 0.6 | - | - | - | - |
| RNC | |||||||
| NiCr10 | KPX | - | 90 | 10 | - | - | - |
| EPX | |||||||
| NiCr14Si | NPX | - | 84 | 14.5 | 1.5 | - | - |
| NiSi3 | KNX | - | 97 | - | 3 | - | - |
| NiSi4Mg | NNX | - | 94.5 | - | 4.5 | - | 1.0 |
| CuNi40 | KNCB | 60 | 40 | - | - | - | - |
| CuNi22 | KNCA | 78 | 22 | - | - | - | - |
| CuNi18 | NNC | 82 | 18 | - | - | - | - |
| CuNi45 | ENX | 55 | 45 | - | - | - | - |
| JNX | |||||||
| TNX | |||||||
| Iron | NPC | 100 | |||||
| JPX | |||||||
| KPCA | |||||||
Thermocouple Type N NiCrSi NiSiMg 1000℃ High Temperature Accuracy Bare Wire
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