Method of producing fe-ni series alloys having improved...

Details Method of producing fe-ni series alloys having improved... Method of producing fe-ni series alloys having improved...

C - Chemistry, Metallurgy

22

C

148/31, 148/34.7

C22C 38/08 (2006.01) C21D 6/00 (2006.01) C21D 8/00 (2006.01) C21D 9/46 (2006.01) C22F 1/10 (2006.01) H01F 1/147 (2006.01) H01J 29/07 (2006.01)

Patent

CA 1331127

Abstract of the Disclosure An ingot of Fe-Ni series alloy comprising 30 - 80 wt% of NI or further 0.001 - 0.03 wt% of B and the balance of Fe is upset at a forging ratio of at least 1/1.2U, hot forged at a total sectional reduction ratio of at least 30% to from a slab, from which fine crystal grains are formed at final heat treating stage, whereby Fe-Ni series alloys for electronic and electromagnetic materials are economically produced without generating streaks at the etching.

613799

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