Ferrous And Nonferrous Metals And Alloys Pdf

ferrous and nonferrous metals and alloys pdf

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In metallurgy , non-ferrous metals are metals or alloys that do 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 e.

It can be difficult to distinguish metals from each other. We may think metals like copper and lead have more in common with steel or iron, when in reality they are more closely related to precious metals like gold and silver.

Ferrous and non-ferrous metals are different both in chemistry and in the way they are used. There are a few key differences that can be used to distinguish between the two types. The defining difference between ferrous and non-ferrous metals is in their iron content. Both types may be pure or alloys. In general, ferrous metals contain iron.

Examples of Ferrous and Non-Ferrous Metals

Types of metals and their uses. Metals are found naturally and are mined from the earth. Metals used in products are extracted from the natural ore using large heat furnaces. They are sold as sheets , bars , rods , tubes and angles. Most metals can be recycled, saving natural resources. Ferrous metals contain iron and are magnetic. They are prone to rust and therefore require a protective finish, which is sometimes used to improve the aesthetics of the product it is used for as well.

Non-ferrous metals do not contain iron and are not magnetic. They do not rust. Alloys are mixtures of metal with an element to improve its properties or aesthetic. For example brass is a mixture of copper and zinc. Alloys can also be classified as ferrous or non-ferrous. Non-ferrous metal may require a protective finish.

This finish is sometimes used to improve the aesthetics of the product it is used for. Ferrous and non-ferrous metals. Shelving made from metal angles. Orange, flaking rust on an old steel pier. Copper oxidised to a green colour.

Stainless steel spatula. Cast iron. Brittle if thin, can be cast in a mould, strong compression strength, good electrical and thermal conductivity but poor resistance to corrosion. Manhole covers, pans and gates, vices. High-carbon steel tool steel. Hard but brittle, less malleable than mild steel, good electrical and thermal conductivity. Taps and tools, eg screwdrivers and chisels. Low-carbon steel mild steel. Ductile and tough, easy to form, braze and weld, good electrical and thermal conductivity but poor resistance to corrosion.

Nuts, bolts, screws, bike frames and car bodies. Light in weight and malleable but strong, a good conductor of heat and corrosion resistant. Drink cans, saucepans, bike frames. An excellent electrical conductor of heat and electricity, extremely malleable and can be polished, oxidises to a green colour. Plumbing fittings and electrical wires, professional chef's saucepans. A precious metal that is soft and malleable when heated, highly resistant to corrosion and an excellent electrical conductor of heat.

Brass alloy of copper and zinc. Non-ferrous metal that is strong and ductile, casts well and is gold coloured but darkens when oxidised with age, a good conductor of heat. Taps, screws, castings, locks and doorknobs. Castings, bearings. Stainless steel alloy of steel also with chromium, nickel and magnesium. Ferrous metal that is silver when polished, hard and tough with excellent resistance to corrosion.

Cutlery, sinks, saucepans, surgical equipment.

The Differences Between Ferrous and Non-Ferrous Metals

That means each type of ferrous and non-ferrous metal has different qualities and uses. Ferrous Metals Ferrous metals contain iron, and are known for their strength. Think steel, stainless steel, carbon steel, cast iron. Ferrous metals are used in both architectural and industrial fabrication, such as skyscrapers, bridges, vehicles, and railroads. Thanks to their magnetic properties, ferrous metals are also used in appliances and engines.

Unit Descriptor. This unit describes the skills to recommend ferrous and non ferrous metal and alloys for an application based upon a knowledge of their metallurgical properties. Application of the unit. This unit requires application and knowledge of metallurgical properties as a member of a design and development team or similar in support of the design and development of manufacturing applications where the final product or components are made from pure metal or alloys. Pre-requisite Units.


Ferrous materials/metals may be defined as those metals whose main constituent is iron such as pig iron, wrought iron, cast iron, steel and their alloys.


Non-Ferrous Heavy Metals

Types of metals and their uses. Metals are found naturally and are mined from the earth. Metals used in products are extracted from the natural ore using large heat furnaces.

Non-ferrous Metals and Alloys

Corrosion comprises the reaction between a metal or alloy and its surrounding environment.

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Corrosion of Nonferrous Metals and Their Alloys

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Non-ferrous metal

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