Ni80Cr20 jẹ nickel-chromium alloy (NiCr alloy) ti a ṣe afihan nipasẹ resistivity giga, resistance ifoyina ti o dara ati iduroṣinṣin fọọmu ti o dara pupọ.O dara fun lilo ni awọn iwọn otutu ti o to 1200 ° C, ati mu igbesi aye iṣẹ ti o ga julọ ni akawe si awọn alumọni chromium aluminiomu Iron.
Awọn ohun elo aṣoju fun Ni80Cr20 jẹ awọn eroja alapapo ina ni awọn ohun elo ile, awọn ileru ile-iṣẹ ati awọn resistors (awọn resistors wirewound, awọn resistors fiimu irin), awọn irin alapin, awọn ẹrọ ironing, awọn igbona omi, mimu ṣiṣu ku, awọn irin tita, awọn eroja tubular sheathed irin ati awọn eroja katiriji.
Darí Properties ofNichrome80 waya
Iwọn otutu Iṣẹ Ilọsiwaju ti o pọju: | 1200ºC |
Resisivity 20ºC: | 1.09 ohm mm2/m |
Ìwúwo: | 8,4 g/cm3 |
Imudara Ooru: | 60.3 KJ/m·h·ºC |
Iṣatunṣe ti Imugboroosi Gbona: | 18 α×10-6/ºC |
Oju Iyọ: | 1400ºC |
Ilọsiwaju: | Min 20% |
Ẹya Aworan: | Austenite |
Ohun-ini oofa: | ti kii ṣe oofa |
Awọn Okunfa otutu ti Itanna Resistivity
20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.026 | 1.018 |
700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
1.01 | 1.008 | 1.01 | 1.014 | 1.021 | 1.025 | - |
Ara ti ipese
Alloys Name | Iru | Iwọn | ||
Ni80Cr20W | Waya | D=0.03mm~8mm | ||
Ni80Cr20R | Ribbon | W=0.4~40 | T = 0.03 ~ 2.9mm | |
Ni80Cr20S | Sisọ | W=8~250mm | T = 0.1 ~ 3.0 | |
Ni80Cr20F | Fọọmu | W=6~120mm | T = 0.003 ~ 0.1 | |
Ni80Cr20B | Pẹpẹ | Dia=8~100mm | L=50~1000 |