4J50 tootoo u'amea o seFe-Ni fa'aulufale fa'alauteleo loo i ai e uiga i50% nikeli.
E masani ona fa'aoga pe amautu ma maualalo le fa'alauteleina o le vevelae manaʻomia, aemaise lava mofa'atusa fa'amau fa'atasi ma sima ma nisi matatioata.
E maua ai e le alloymachinability lelei, weldability, ma le faatinoga faamaufaailoga faatuatuaina, ia talafeagai moafifiina faaeletonika, masini gaogao, ma vaega o le aerospace.
Fe-Ni fa'aulufale fa'alautele
Maumau ma maualalo le fa'alauteleina o le vevela
Fa'atino fa'amaufa'ailoga mata'eta'e/sima lelei
Lelei fa'agaioiga ma mea fa'apipi'i
E maua i la'au, uaea, ma fomu fa'apitoa
Fa'amaufa'ailoga tioata-i-u'amea ma sima-i-u'amea
Fale afifiina faaeletonika
Semiconductor masini lagolago
Mea fa'amama ma fa'alava
Mea faigaluega a le ea ma mea sa'o