Gwifren Aloi Gwresogi Gwrthiant
1) Gradd:Ni70Cr30,Ni80Cr20Ni60Cr15, Ni35Cr20,Ni30Cr20
2) Manyleb: Diamedr 0.02 ~ 12mm
Gwifren Aloi Gwresogi Gwrthiant, gwifren Electrthermol, gwifren gwresogi trydan
Maint: 0.02–12mm
Cyfansoddiad a Phriodweddau Cemegol:
Priodweddau/Gradd | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
Prif Gyfansoddiad Cemegol (%) | Ni | Bal. | Bal. | 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 | Bal. | Bal. | Bal. | |
Tymheredd Gweithio Uchaf (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Gwrthiant ar 20ºC (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Dwysedd (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Dargludedd Thermol (KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Cyfernod Ehangu Thermol (α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
Pwynt Toddi (ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Ymestyn (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Strwythur Micrograffig | austenit | austenit | austenit | austenit | austenit | |
Eiddo Magnetig | anmagnetig | anmagnetig | anmagnetig | anmagnetig | anmagnetig |
150 0000 2421