Engineering Materials
Inconel contains

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

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Engineering Materials
Aluminium bronze contains

10% aluminium and 90% copper
90% magnesium and 9% aluminium with some copper
94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg

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Engineering Materials
Chromium in steel

Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
Improves wear resistance, cutting ability and toughness
Improves cutting ability and reduces hardenability
Gives ductility, toughness, tensile strength and anti-corrosion properties

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