Any molten metal other than mercury, e.g. iron and steel, lead, tin, aluminium, copper, silver, gold, platinum, etc. Usually used in industry to refer to the product of melting furnaces.
Furnaces 4 and 5 can each melt and tap about 6 tonnes of hot metal.
taken from a blast furnace; first metallic product after the reduction of iron ore. Full of impurities and brittle. Almost always further refined to steel
or cast iron
. In molten form, referred to as hot metal
The largest blast furnaces in the world can produce 10,000 tonnes per day of pig iron.