Engineering Materials
Cyaniding is the process of

Dipping steel in cyanide bath
Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness
Obtaining cyanide salts
Reacting steel surface with cyanide salts

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Engineering Materials
Dow metal contains

90% aluminium and 90% copper
92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg
90% magnesium and 9% aluminium with some copper
94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe

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