N6 | Chromel C, Ni 60, N6, Hai-Nicr 60, Tophet C, Resorifer 60, Cronifer II, |
Electroloy, Nichrome, legura C, Ni 6, MWS-675, Stablohm 675 | |
N7 | Ni 70, Chromel 70/30, N7, Hytemco, Hai-Nicr 70, Balco, Tophet 30, |
Resoris 70, Cronix 70, Stablohm 710 | |
N8 | Chromel A, Ni 80, N8, Nichrome V, Hai-Nicr 80, Tophet A, ResorisHM |
80, Cronix 80, Protoloy, Ni 8, Alloy A, MWS-650, Stablohm 650 |
Opis
Legura | Standardna konstrukcija struka, mm | Otpor, ω/m | Promjer pramenova nominalni, mm | Metar po kilogramu |
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 |
Detalji
Properties/ocjena | Cr20ni80 | Cr30ni70 | Cr15ni60 | Cr20ni35 | Cr20Ni30 | |
Glavni kemijski sastav | Ni | Odmor | Odmor | 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 | Odmor | Odmor | Odmor | |
Maksimum Kontinuirana temp. element | 1200 | 1250 | 1150 | 1100 | 1100 | |
Otpornost na 20OC (μ ω · m) | 1,09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Gustoća (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Toplinska vodljivost (KJ/M · H · OC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Koeficijent ekspanzije linija (α × 10-6/OC) | 18 | 17 | 17 | 19 | 19 | |
Točka topljenja (približno) (OC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Izduženje pri rupturi (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Mikrografska struktura | austenit | austenit | austenit | austenit | austenit | |
Magnetska svojstva | nemagnetski | nemagnetski | nemagnetski | nemagnetski | nemagnetski |