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NON FERROUS METALS:

• A non-ferrous metal is a metal, including al, that does not contain iron (ferrite) in appreciable amounts.
• Generally more costly than ferrous metals, non-ferrous metals are used because of desirable properties such as low weight, higher conductivity non-magnetic property or resistance to corrosion. Some non-ferrous materials are also used in the iron and steel industries. For example, bauxite is used as flux for blast furnaces, while others such as wolframite, pyrolusite and chromite are used in making ferrous alloys.

ALUMINIUM:

• This metal is abundant in the earth's crust and is obtained from a mineral called bauxite. It is very ductile and malleable, has a low density, is a good conductor of heat and electricity and is very resisitant to corrosion.
• Cans , electrical cables , portable ladders, doors and window frames , radiators and many other objects are made of aluminium . It is often alloyed with other metals to improve its mechanical properties , for example in the manufacture of wheels or vehicles
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COOPER

• This is a very ductile and malleable metal and has a reddish colour (when it oxidizes it takes on a greenish colour ) It also an excellent conductor of heat and electricity . Cooper is probabily the first metal to be used by humans , and its name is used for a period of the history , The cooper age .
• It is used to make electrical wiring and pipes . In the chemical industry it is used to make insecticides and pigments to give colour to paints and glass.
• Two very useful allows can be made with cooper : Bronce and Brass
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ZINC

• Zinc is a material with a bluish-white colour and very little mechanical resistance. When it comes into contact with air it oxidizes, creating a layer of greyish oxide which `protects it from corrosion.
• It is used as a roofing material, for rain gutters, signposting and motorway guardrails.
• Metal pieces are given a thin coating of zinc to protect them from corrosion. Yhis process is know as galvanization
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TIN

• Tin is a shiny white matal that is very soft , does not oxidize at room temperature and has a very low melting point.
• It is used to make tinplate wich is a steel sheet covered with a layer of tin . It is also mixed with lead and used for soldering
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LEAD

• Lead has a greyish silver colour and is very dense (heavy) . It is malleable and a good conductor of heat and electricity .
• It is used as a protector from dangerous radiation , in batteries and accumulators , in the fishing industry , and in glassmaking to give the glass more strength . Pipes in old houses are of ten made of lead
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TITANIUM

• Titanium is a bright grey colour and it is very hard and resistant to mechanical stresses.
• It is used in medicine to make protheses, to make sporting products, and in the aerospace industry.
• It has even been used in some architectural structures.
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BRASS

• Bras is an alloy of copper and zinc. It has a golden colour and is resistant to corrosion. It is easy to work with and for this reason it is used often in jw¡ewellery making. It ois also used to make hinges, screws, doorknobs, and musical instruments.
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RECYCLING AND POLLUTION.

• Due to their extensive use, non-ferrous scrap metals are usually recycled. The secondary materials in scrap are vital to the metallurgy industry, as the production of new metals often needs them. Some recycling facilities re-smelt and recast non-ferrous materials; the dross is collected and stored onsite while the metal fumes are filtered and collected. Non-ferrous scrap metals are sourced from industrial scrap materials, particle emissions and obsolete technology (for example, copper cables) scrap.