Precision resistance wire
Nomenclature Performance |
6J40 Constantan |
6J11 New Constantan |
6J12 Manganin |
6J8 F1 Manganin |
6J13 F2 Manganin |
|
---|---|---|---|---|---|---|
Main Chemical Composition (%) |
Mn | 1~2 | 10.5~12.5 | 11~13 | 8~10 | 11~13 |
Ni | 39~41 | - | 2~3 | - | 2~5 | |
Cu | Bal. | Bal. | Bal. | Bal. | Bal. | |
other | Al:2.5~4.5 Fe:1.0~1.6 |
Si:1~2 | ||||
Continuous service
temperature of element (℃) |
5~500 | 5~500 | 5~45 | 10~80 | 10~80 | |
Density (g/cm3) |
8.88 | 8.0 | 8.44 | 8.7 | 8.4 | |
Resistivity at 20℃ (μΩ.m) |
0.48±0.03 | 0.49±0.03 | 0.47±0.03 | 0.35±0.05 | 0.44±0.04 | |
Elongation rate (%,Φ>0.5,L0=200mm) |
≥15 | ≥15 | ≥15 | ≥15 | ≥15 | |
TCR (α×106C-1) |
-40~+40 | -80~+80 | -3~+20 | -5~+10 | 0~+40 | |
μv
/℃(0~100℃) EMF vs Copper |
45 | 2 | 1 | 2 | 2 |