It is made up of a few carbon and iron. It's tough, it gets rusty easily. It has high tensile strength. It's most common used in school workshops and in engineering. It is used in nuts, bolts, screws and car bodies too.
It is light grey. It's a pure metal. It's ductile, soft, malleable, very light, it has good corrosion properties and it is a good conductor of heat and electricity. It is used in window frames, aircraft, kitchen ware, ladders and drink cans.
It is reddish brown. It is a pure metal too. It's ductile, malleable, it conducts electricity and heat, it doesn't get rusty and it is easily bent. It is used in electrical wiring, tubing, kettles, bowls and pipes.
It is whitish grey. It is made up of mainly silver but alloyed with copper to give sterling silver. It is ductile, malleable, solders and it is resistant to corrosion. It is used in jewellery and ornaments.