Daawaha nikkel ee birta ah waxaa laga helaa heerkul cayiman iyadoo la hagaajinayo nuxurka tamarta gudaha nikkel iyo isku-darka ballaarinta ee galaaska jilicsan iyo dhoobada kala duwan, isku-darka taxanaha daawaha ballaarinta, isku-darka ballaarinta iyo heerkulka Curie ayaa kordha marka la kordhiyo tirada nikkel. Isku-darka waxaa si weyn loogu isticmaalaa warshadaha faakiyuumka korontada ku shaqeeya qaab-dhismeedka shaabadaynta ee walaxda.
Halabuurka Kiimikada ee %, Invar
| summad | Halabuurka kiimikada | ||||||||
| 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 |
Joogtaynta aasaasiga ah ee jireed iyo sifooyinka farsamada ee daawaha:
| summad | Gudbinta kulaylka | Awood kuleyl gaar ah | Cufnaanta | Iska caabinta korontada | Barta Curie |
| 4j52 | 16.7 | 502J | 8.25 | 0.43 | 520 |
| Dabeecadda ballaarinta caadiga ah (10 -6 / ºC) | ||||||||
| Heerkulka kala duwan | 20~100 | 20~200 | 20-300 | 20~350 | 20-400 | 20-450 | 20~500 | 20-600 |
| Isugeynta ballaarinta | 10.3 | 10.4 | 10.2 | 10.3 | 10.3 | 10.3 | 10.8 | 11.2 |
Daawaha 4 j52 waxaa inta badan loo isticmaalaa shaabadaynta muraayadaha rasaasta jilicsan, fiyuusyada tuubooyinka yaryar.
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