N6 | Chromel C, NI 60, N6, HAI-NICR 60, Tophet C, ResingOhm 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, |
Resing 70, Cronix 70, Stablohm 710 | |
N8 | Chromel A, Ni 80, N8, Nichrome V, HAI-NICR 80, Tophet A, Resing |
80, Cronix 80, Protoloy, Ni 8, Alloy A, MWS-650, Stablohm 650 |
Opis
Zlitina | Standardna konstrukcija pramenov, mm | Upor, ω/m | Premer pramena, mm | Meter na kilogram |
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 |
Ni | 19 × 0,574 | 0,019-0,021 | 2.87 | 21 |
Podrobnosti
Lastnosti/ocena | CR20ni80 | CR30ni70 | CR15ni60 | CR20ni35 | CR20ni30 | |
Glavna kemična sestava | Ni | Počitek | Počitek | 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 | Počitek | Počitek | Počitek | |
Max. neprekinjena servisna temperatura. elementa | 1200 | 1250 | 1150 | 1100 | 1100 | |
Upor pri 20oc (μ ω · m) | 1,09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Gostota (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Toplotna prevodnost (kJ/m · h · oc) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Koeficient širitve linij (α × 10-6/oc) | 18 | 17 | 17 | 19 | 19 | |
Tališče (približno) (OC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Raztezanje pri razpadu (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Mikrografska struktura | Austenit | Austenit | Austenit | Austenit | Austenit | |
Magnetne lastnosti | nemagnetno | nemagnetno | nemagnetno | nemagnetno | nemagnetno |