Nichel Grade | Ni + Co | Cu | Si | Mn | C | Cr | S | Fe | Mg |
≥ | ≤ | ||||||||
Ni201 | Bal. | .25 | .3 | .35 | .02 | .2 | .01 | .3 | - |
Ni 200 | Bal. | .25 | .3 | .35 | .15 | .2 | .01 | .3 | - |
Alloy | Standard Strand Construction, mm | Resistenza, Ω/m | Diametru nominale di filu, mm | metru per chilò |
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 |
Pruprietà / Grade | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
Cumpusizioni chimica principale | Ni | Restu | Restu | 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 | Restu | Restu | Restu | |
Max. Tempu di serviziu cuntinuu. d'elementu | 1200 | 1250 | 1150 | 1100 | 1100 | |
Résistivité à 20oC (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Densità (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Conduttività termica (KJ/m· h· oC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient d'expansion des lignes (α × 10-6/oC) | 18 | 17 | 17 | 19 | 19 | |
Puntu di fusione (circa) (oC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Allungamentu à a rottura (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Struttura micrografica | austenite | austenite | austenite | austenite | austenite | |
Pruprietà magnetichi | non magneticu | non magneticu | non magneticu | non magneticu | non magneticu |