improves wear resistance, cutting ability and toughness

refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant proper¬ties

improves cutting ability and reduces hardenability

gives ductility, toughness, tensile strength and anticorrosion properties

copper

chromium

nickel

silicon

it easily machinable

it brittle

it hard

the casting unsound

1539°C

1601°C

1489°C

1712°C

3-May

5-Jul

7-Oct

15-Oct