Engineering Materials
Inconel contains

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

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Engineering Materials
Smelting is the process of

Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns
All of these
Removing the impurities like clay, sand etc. from the iron ore by washing with water
Reducing the ore with carbon in the presence of a flux

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