Chemical Composition nyob rau hauv %, Invar
hom | Tshuaj muaj pes tsawg leeg | ||||||||
Ni | Fe | C | P | Si | Co | Mn | Al | S | |
≤ | |||||||||
4j42 ib | 41.5-42.5 Nws | Bal | 0.05 Nws | 0.02 ib | 0.3 | - | 0.80 ib | 0.10 | 0.02 ib |
4j45 ib | 44.5-45.5 Nws | Bal | 0.05 Nws | 0.02 ib | 0.3 | - | 0.80 ib | 0.10 | 0.02 ib |
4j50 ua | 49.5-50.5 Nws | Bal | 0.05 Nws | 0.02 ib | 0.3 | 1.0 | 0.80 ib | 0.10 | 0.02 ib |
4j52 ib | 51.5 ~ 52.5 hli | Bal | 0.05 Nws | 0.02 ib | 0.3 | - | 0.60 ib | - | 0.02 ib |
4j54 ua | 53.5-54.5 Nws | Bal | 0.05 Nws | 0.02 ib | 0.3 | - | 0.60 ib | - | 0.02 ib |
Basic lub cev tsis tu ncua thiab mechanical zog ntawm cov alloy:
hom | Thermal conductivity | Tshwj xeeb kub muaj peev xwm | Qhov ntom | Hluav taws xob resistivity | Curie point |
4j54 ua | 18.8 ib | 502j ua | 8.28 ib | 0.42 ib | 530 |
Tus cwj pwm nthuav dav (10 -6 / ºC) | ||||||||
Qhov kub thiab txias | 20-100 Nws | 20-200 Nws | 20-300 Nws | 20-350 Nws | 20-400 Nws | 20-450 Nws | 20-500 Nws | 20-600 Nws |
Expansion coefficient | 10.7 ib | 12.7 ib | 10.7 ib | 10.7 ib | 10.8 | 10.3 | 10.8 | 11.2 |
4 j54 alloy feem ntau yog siv rau thiab mica, mos sealing iav