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17 metals
This document discusses different types of metals used in materials technology. It describes ferrous metals like iron and steel that contain iron, and non-ferrous metals like aluminum, copper, zinc, and lead that contain no iron. Alloys are mixtures of two or more metals, such as brass which is a copper-zinc alloy and bronze which is a copper-tin alloy. The document also mentions tools like files that are used to shape and smooth the edges of metals.
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17 metals
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- 3. Groups of metals Ferrous Non-ferrous Alloys −Metals containing iron − Pure metals contain no iron − A mixture of 2 or more metals Iron Steel Aluminium Copper Zinc Lead Brass Bronze
- 4. Alloys – amixture of metals Name the metals in these alloys Brass copper & zinc Bronze copper & tin Stainless steel steel, chromium & nickel
- 5. Working with metals– tools
- 6. Files What isa file used for? − Files are used to shape and smooth the edges of metal and of plastic
- 7. Put an‘X’ in the correct box showing whether each metal below is a pure metal or an alloy Metal 1 Aluminium 2 Bronze 4 Copper 5 Steel 6 Tin X Brass 3 Pure Metal X X X Alloy X X
- 8. Identify, usingan X, whether the following metals below are ferrous or non ferrous Metal Ferrous Nonferrous X 1 Aluminium 2 Cast iron 3 Bronze X 4 Copper X 5 Steel 6 Zinc X X X