N6 | Chromel C, Ni 60, N6, Hai-Nicr 60, Tophet C, Resistohm 60, Cronifer II, |
Elektroloy, Nichrome, sulam 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, sulam A, MWS-650, Stablohm 650 |
Kirjeldus
Sulami | Standard Strand Construction, MM | Takistus, ω/m | Ahela läbimõõt nominaalne, MM | Meeter kilo kohta |
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 |
Detailid
Omadused/hinne | Cr20ni80 | CR30NI70 | Cr15ni60 | Cr20ni35 | Cr20ni30 | |
Peamine keemiline koostis | Ni | Puhkus | Puhkus | 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 | Puhkus | Puhkus | Puhkus | |
Max. Pidev teeninduse temp. element | 1200 | 1250 | 1150 | 1100 | 1100 | |
Takistus 20 ° C juures (μ ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Tihedus (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Soojusjuhtivus (KJ/M · H · OC) | 60,3 | 45.2 | 45.2 | 43,8 | 43,8 | |
Liinide laienemise koefitsient (α × 10-6/OC) | 18 | 17 | 17 | 19 | 19 | |
Sulamispunkt (umbes) (OC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Pikenemine rebenemisel (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Mikrograafiline struktuur | austeniit | austeniit | austeniit | austeniit | austeniit | |
Magnetilised omadused | mittemagnetiline | mittemagnetiline | mittemagnetiline | mittemagnetiline | mittemagnetiline |