4J29 alloy rod, ua lauiloa foi oTootoo Kovar, o le aFe-Ni-Co fa'alauteleina le fa'alautelegafa'atasi ai ma le fa'alauteleina o le vevela e tutusa lelei ma le tioata malo ma sima. E maua ai le leleitioata-i-u'amea ma keramika-i-mea fa'amaufa'ailoga, faʻamautinoa le hermeticity faatuatuaina.
Fa'atasi ai ma fa'atinoga fa'ainisinia mautu, fa'aogaina lelei, ma fa'amautu fa'amaufa'ailoga mata'ina,4J29 tootoos e fa'aaoga lautele iafifiina faaeletonika, masini gaogao, faavae semiconductor, sensors, ma aerospace meafaigaluega.
Fe-Ni-Co fa'alauteleina le fa'alautelega
O le fa'alauteleina o le vevela e fetaui ma tioata malo ma sima
Lelei fa'amaufa'ailoga hermetic fa'atinoga
Malosi fa'ainisinia mautu i vevela eseese
Machinability maualuga ma fa'ai'uga luga
E maua i la'au, uaea, laupepa, ma fomu fa'apitoa
Fa'amaufa'ailoga fa'amaufa'ailoga tioata-i-u'amea
Fa'avae fa'apipi'i Semiconductor
Vaega fa'apipi'i eletise
Vacuum tube ma matauila
Aerospace ma mea tau puipuiga
Sensors, relays, ma feedthroughs