Engineering Materials
Beryllium bronze contains

97.75% copper and 2.25% beryllium
60% copper and 40% beryllium
99% copper and 1% beryllium
80% copper and 20% beryllium

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Engineering Materials
Tungsten in steel

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

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