Muundo wa Kemikali katika%, Invar
chapa | Muundo wa kemikali | ||||||||
Ni | Fe | C | P | Si | Co | Mn | Al | S | |
≤ | |||||||||
4j42 | 41.5~42.5 | Bal | 0.05 | 0.02 | 0.3 | - | 0.80 | 0.10 | 0.02 |
4j45 | 44.5~45.5 | Bal | 0.05 | 0.02 | 0.3 | - | 0.80 | 0.10 | 0.02 |
4j50 | 49.5~50.5 | Bal | 0.05 | 0.02 | 0.3 | 1.0 | 0.80 | 0.10 | 0.02 |
4j52 | 51.5~52.5 | Bal | 0.05 | 0.02 | 0.3 | - | 0.60 | - | 0.02 |
4j54 | 53.5~54.5 | Bal | 0.05 | 0.02 | 0.3 | - | 0.60 | - | 0.02 |
Vipengele vya msingi vya kimwili na mali ya mitambo ya aloi:
chapa | Conductivity ya joto | Uwezo maalum wa joto | Msongamano | Upinzani wa umeme | Pointi ya Curie |
4j54 | 18.8 | 502J | 8.28 | 0.42 | 530 |
Tabia ya upanuzi ya kawaida (10 -6 / ºC ) | ||||||||
Kiwango cha joto | 20-100 | 20-200 | 20-300 | 20-350 | 20-400 | 20-450 | 20-500 | 20-600 |
Mgawo wa upanuzi | 10.7 | 12.7 | 10.7 | 10.7 | 10.8 | 10.3 | 10.8 | 11.2 |
Aloi ya 4 j54 hutumiwa zaidi kwa na mica, glasi laini ya kuziba