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 alatako (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 ti o ni fifẹ irin ati awọn eroja katiriji.
Mechanical Properties of Nichrome 80 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 |