Fe-Ni, the Fe-Ni-Co or Fe-Ni-Co-Cu which possess the sectility which is improved alloy strip

摘要

For example as for this invention, in regard to the strip which consists of the austenite Fe-Ni alloy, the Fe-Ni-Co alloy or the Fe-Ni-Co-Cu alloy, chemical composition of the aforementioned alloy weight % with 30%Ni70%, 0%Cu+2Co20%, 0%Mn+Cr5%, 0%W+2Mo2%, 0%Ti+V+Nb+Al1%, 0.0005%B0.007% and the remainder the iron and the impurity (, C, S, P, O and N) is, however is Fe+Ni+Cu+Co95%. The aforementioned alloy has had cubical tekisuchiya which is cubical tekisuchiya exponent D _c7. This invention regards even in production method of the strip and production method of processed ones due to mechanical cutting.