Okun okun ti o ni ihamọ jẹ ti awọn alloys Nichrome, gẹgẹbi Ni80Cr20, Ni60Cr15, ati bẹbẹ lọ O le ṣe pẹlu awọn okun 7, awọn okun 19, tabi awọn okun 37, tabi awọn atunto miiran.
Okun alapapo alapapo ti okun ni ọpọlọpọ awọn anfani, gẹgẹ bi agbara abuku, iduroṣinṣin igbona, ohun kikọ ẹrọ, agbara mọnamọna ni ipo igbona ati anti-oxidization. Nichrome Wire ṣe apẹrẹ aabo ti oxide chromium nigbati o ba gbona fun igba akọkọ. Ohun elo labẹ Layer kii yoo ṣe oxidize, idilọwọ okun waya lati fifọ tabi sisun jade. Nitori idiwọ giga ti Nichrome Waya ati resistance si ifoyina ni awọn iwọn otutu giga, o jẹ lilo pupọ ni awọn eroja alapapo, alapapo ileru ina ati awọn ilana itọju ooru ni kemikali, ẹrọ, irin ati awọn ile-iṣẹ aabo,
Performance\ohun elo | Cr20Ni80 | |
Tiwqn | Ni | Sinmi |
Cr | 20.0 ~ 23.0 | |
Fe | ≤1.0 | |
Iwọn otutu ti o pọju ℃ | 1200 | |
Oju yo℃ | 1400 | |
Ìwọ̀n g/cm3 | 8.4 | |
Resistivity | 1.09 ± 0.05 | |
μΩ·m,20℃ | ||
Elongation ni rupture | ≥20 | |
Ooru pato | 0.44 | |
J/g.℃ | ||
Gbona elekitiriki | 60.3 | |
KJ/mh ℃ | ||
olùsọdipúpọ ti awọn ila imugboroosi | 18 | |
x10-6/℃ | ||
(20 ~ 1000℃) | ||
Micrographic be | Austenite | |
Awọn ohun-ini oofa | Ti kii ṣe oofa |