Engineering Materials
Inconel contains

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

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Engineering Materials
The charge of the blast furnace consists of

Calcined ore (8 parts), coke (4 parts) and limestone (1 part)
Calcined ore (1 part), coke (8 parts) and limestone (4 parts)
Calcined ore (4 parts), coke (1 part) and limestone (8 parts)
Calcined ore, coke and limestone all in equal parts

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