brittle
hard
ductile
tough
contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron
is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable
is produced by annealing process. It is soft, tough and easily machined metal
is produced by small additions of magnesium (or creium) in the ladle. Graphite is in nodular or spheroidal form and is well dispersed throughout the material
70% copper and 30% zinc
90% copper and 10% tin
85-92% copper and rest tin with little lead and nickel
70-75% copper and rest tin
F.C.C.
B.C.C.
H.C.P.
Orthorhombic crystalline structure
silver, copper, zinc
silver, tin, nickel
silver, lead, zinc
silver, copper, aluminium