Commonly Used Metals

wrought iron

▪Description: Iron formed by hammering and rolling operations

▪Uses: Rivets, welded stream and water pipes

cast iron

▪Description: Iron formed by casting

▪Uses: Cylinder blocks, brake drums, gears, machine tool ways

malleable iron

▪Description: Heat treated cast iron which is strong, ductile and

easily machined

▪Uses: Gears

Nodular Cast iron

▪Description: Cast iron added with magnesium and cerium to

become stronger and more ductile

▪Uses: Casings, Crankshafts, hubs, rolls, forming die

Cast Steel

▪Description: Steel formed by casting

▪Uses: Gears, crankshafts, cylinder barrels

wrought steel

▪Description: Steel formed by hammering, rolling or drawing

▪Uses: Bars, tubes

Stainless Steel

▪Description: Steel obtained by addition of chromium

▪Uses: Steam turbine blades, valves

brass

▪Description: Alloy of copper and zinc

▪Uses: Propeller shafts, piton rods, screws, etc.

Bronze

▪Description: Alloy of copper, tin and phosphorus

▪Uses: Clutch disks, pump rods, shafts, valve stems, etc.