Engineering Materials
Inconel contains

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

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Engineering Materials
Steel contains

50% or more iron
Elements like phosphorus, sulphur and silicon in varying quantities
80% or more iron
Alloying elements like chromium, tungsten nickel and copper

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