Engineering Materials
The main alloying elements high speed steel in order of increasing proportion are

Tungsten, chromium, titanium
Chromium, titanium, vanadium
Tungsten, titanium, vanadium
Vanadium, chromium, tungsten

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Engineering Materials
Dow metal contains

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

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