4j42 wayadaidaitaccen abin da aka sarrafa na faɗaɗa gami da ƙarfe ne da kusan 42% nickel. An ƙera shi don dacewa da haɓakar haɓakar zafin jiki na gilashin borosilicate da sauran kayan marufi, yana mai da shi kyakkyawan zaɓi don rufewar hermetic, marufi na lantarki, da aikace-aikacen sararin samaniya.
Nickel (Ni): ~42%
Iron (Fe): Balance
Ƙananan abubuwa: Mn, Si, C (yawan adadin)
CTE (Coefficient of thermal Expansion, 20-300°C):~5.5–6.0 × 10⁻⁶ /°C
Yawan yawa:~8.1g/cm³
Juriya na Lantarki:~0.75 μΩ·m
Ƙarfin Ƙarfafawa:430 MPa
Abubuwan Magnetic:Magnetic mai taushi, ƙaramin ƙarfi
Diamita: 0.02 mm - 3.0 mm
Surface: Haske, mara oxide
Form: Spool, coil, yanke-zuwa tsayi
Sharadi: An zana ko sanyi
Keɓancewa: Akwai akan buƙata
Madaidaicin haɓakar thermal don gilashin da yumbu
Barga na inji da Magnetic Properties
Kyakkyawan dacewa da injin injin
Mafi dacewa don rufewar lantarki, relays, da jagorar firikwensin
Low fadada tare da mai kyau ductility da weldability
Gilashin-zuwa-karfe hermetic hatimi
Semiconductor gubar Frames
Kayan kai na relay na lantarki
Infrared da vacuum firikwensin
Na'urorin sadarwa da marufi
Masu haɗin sararin samaniya da kewaye