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N4 N6 Nickel 200 Nickel 201 Nickel 212 Uns N02200 Pure Nickel Stranded Wire
| Nickel Grade | Ni+Co | Cu | Si | Mn | C | Cr | S | Fe | Mg |
| ≥ | ≤ | ||||||||
| Ni201 | Bal. | .25 | .3 | .35 | .02 | .2 | .01 | .3 | - |
| Ni200 | Bal. | .25 | .3 | .35 | .15 | .2 | .01 | .3 | - |
|
Alloy |
Standard Strand Construction, mm |
Resistance,Ω/m |
Strand Diameter Nominal, mm |
Meter per Kilo |
|
NiCr 80/20 |
18×0.544+1×0.574 |
0.252-0.278 |
2.67 |
26 |
|
NiCr 80/20 |
19×0.61 |
0.205-0.250 |
3.05 |
|
|
NiCr 80/20 |
18×0.523+1×0.574 |
0.271-0.299 |
2.67 |
30 |
|
NiCr 80/20 |
19×0.574 |
0.227-0.251 |
2.87 |
25 |
|
NiCr 80/20 |
36×0.385+1×0.45 |
0.265-0.293 |
2.76 |
26 |
|
NiCr 60/15 |
19×0.508 |
0.286-0.318 |
2.54 |
|
|
NiCr 60/15 |
18×0.523+1×0.574 |
0.276-0.305 |
2.76 |
30 |
|
Ni200/Ni201 |
19×0.574 |
0.019-0.021 |
2.87 |
21 |
| N6 | Chromel C, Ni 60, N6, HAI-NiCr 60, Tophet C, Resistohm 60, Cronifer II, |
| Electroloy, Nichrome, Alloy C, Ni 6, MWS-675, Stablohm 675 | |
| N7 | Ni 70, Chromel 70/30, N7, Hytemco, HAI-NiCr 70, Balco, Tophet 30, |
| Resistohm 70, Cronix 70, Stablohm 710 | |
| N8 | Chromel A, Ni 80, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm |
| 80, Cronix 80, Protoloy, Ni 8, Alloy A, MWS-650, Stablohm 650 |
| Propertes/Grade | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| Main Chemical composition | Ni | Rest | Rest | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
| Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
| Fe | ≤ 1.0 | ≤ 1.0 | Rest | Rest | Rest | |
| Max. continuous service temp. of element | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Resistivity at 20oC (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Density (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Thermal conductivity(KJ/m· h· oC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Coefficient of lines expansion(α × 10-6/oC) | 18 | 17 | 17 | 19 | 19 | |
| Melting point (approx. )( oC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Elongation at rupture (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Micrographic structure | austenite | austenite | austenite | austenite | austenite | |
| Magnetic properties | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | |
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