Ka Hoʻohui Kemika ma %, Invar
| lama | ʻAno kemika | ||||||||
| 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 |
Nā kūpaʻa kino kumu a me nā waiwai mechanical o ka metala:
| lama | Ka hoʻokele wela | Ka mana wela kikoʻī | Ka nui o ka paʻa | Ke kū'ē uila | Wahi ʻo Curie |
| 4j52 | 16.7 | 502J | 8.25 | 0.43 | 520 |
| ʻAno hoʻonui maʻamau (10 -6 / ºC) | ||||||||
| Pae mahana | 20~100 | 20~200 | 20~300 | 20~350 | 20~400 | 20~450 | 20~500 | 20~600 |
| Ka helu hoʻonui | 10.3 | 10.4 | 10.2 | 10.3 | 10.3 | 10.3 | 10.8 | 11.2 |
Hoʻohana nui ʻia ka 4 j52 alloy no ke sila ʻana i ke aniani kēpau palupalu, nā fuse paipu liʻiliʻi.
150 0000 2421