Hom N Thermocouple Alloy Hlau
Hom N (NiCrSi Vs.NiCrMg)yog siv nyob rau hauv oxidizing, inert los yog qhuav txo cua. Lub tshuab nqus tsev raug txwv rau lub sijhawm luv luv. Yuav tsum tau tiv thaiv los ntawm sulfurous thiab marginally oxidizing cua. Txhim khu kev ntseeg thiab muaj tseeb ntawm qhov kub thiab txias.
| Tshuaj muaj pes tsawg leeg | |||||
| Khoom siv | Tshuaj muaj pes tsawg leeg (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| NP (Chromel) | Bal. | 13.7-14.7 | 1.2-1.6 | <0.01 | |
| NN (Constantan) | Bal. | <0.02 | 4.2-4.6 | 0.5-1.5 | |
| Physical Properties thiab Mechanical Properties | |||||
| Khoom siv | Qhov ceev (g / cm3) | Melting point (degree) | Tensile zog (Mpa) | Volume resistivity | Elongation tus nqi (%) |
| (μΩ cm) | |||||
| NP (NiCrSi) | 8.5 | 1410 | >4620 | 1 00.0 (20 degree) | >30 |
| NN (NiCrMg) | 8.6 | 1340 | >550 | 33. {1}}(20 degree) | >35 |
|
Khoom siv |
EMF tus nqi Vs Pt (μV) |
|||||
|
100 degree |
200 degree |
300 degree |
400 degree |
500 degree |
600 degree |
|
|
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 tus nqi Vs Pt (μV) |
||||
|
700 degree |
800 degree |
900 degree |
1000 degree |
1100 degree |
|
17129~17275 |
20010~20178 |
22951~23139 |
25943~26149 |
28972~29194 |
|
7288~7362 |
8318~8402 |
9281~9373 |
10159~10261 |
10948~11060 |
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