Engineering Materials
Permalloy is a

None ferrous alloy
Kind of stainless steel
Nickel and iron alloy having high permeability
Polymer

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Engineering Materials
Inconel contains

65% nickel, 15% chromium and 20% iron
68% nickel, 29% copper and 3% other constituents
80% nickel and 20% chromium
80% nickel, 14% chromium and 6% iron

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