Gwifren aloi gwresogi gwrthiant
1) Gradd:Ni70cr30,Ni80cr20, Ni60cr15, ni35cr20,Ni30cr20
2) Manyleb: DIA. 0.02 ~ 12mm
Gwifren aloi gwresogi gwrthiant, gwifren electrthermal, gwifren gwresogi trydan
Maint: 0.02–12mm
Cyfansoddiad cemegol ac eiddo:
Eiddo/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. | |
Y tymheredd gweithio mwyaf (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Gwrthsefyll 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 | |
Elongation (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Micrograffig | austenite | austenite | austenite | austenite | austenite | |
Eiddo Magnetig | nonmagnetig | nonmagnetig | nonmagnetig | nonmagnetig | nonmagnetig |