·
· All metals
utilized for building works are arranged into
· Ferrous metals :
Wherein iron is the fundamental constituent (Cast press, created press and
diverse types of steels)
· Non-Ferrous
metals: Wherein iron is not the fundamental constituent (Copper, Aluminum, Zinc
and lead and so forth)
o
FERROUS metaLS:
· Ferrous metals ► not specifically acquired from iron
minerals
· A-1) PIG IRON:
· From iron metal ► polluted type of metal ► Pig press
· It is the pig
press which additionally yields "Ferrous metals"
· Pig iron is not
reasonable for any mechanical utilize unless it is changed over into solid
metal, fashioned iron or steel
· A-2) CAST IRON:
· Pig press ► re liquefied with limestone and coke
and filled molds of sought shapes and sizes to get purer item known as cast
iron
· Carbon content
in cast press differs from 2 to 5%
· Amid re
softening of pig iron ► scrap iron may likewise be included for econom







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