Criado por ailsamrose
mais de 9 anos atrás
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Questão | Responda |
What are the properties and uses of cast-iron? | Hard outer layer with a soft core, has a high strength under compression, cant be bent or forged. Used in heavy crushing machinery and car brake discs. |
What are the properties and uses of mild steel? | Tough, has a high ductility and malleability, rusts easily, can't be hardened. Used in nails, screws, car bodies and building frames. |
What are the properties and uses of carbon steel? | Strong, hard but not ductile, not very tough or malleable. Used in garden tools, springs and screwdrivers. |
What are the properties and uses of stainless steel? | Hard and tough, very good resistance to rust. Used in sinks, cutlery and dishes. |
What are the properties and uses of high speed steel? | Very hard, resistant to to friction, can only be sharpened by grinding. Used in Lathe cutting tools, drills, milling cutters. |
What are the properties and uses of copper? | Malleable, ductile and tough, good heat and electricity conductor, easily joined. Used in plumbing fittings and electrical equipment. |
What are the properties and uses of aluminium? | Strong for its weight, light, soft, ductile, good conductor of heat and electricity, difficult to join. Used in kitchen foils, cooking pans and window frames. |
What are the properties and uses of zinc? | Very weak, heavy, resists corrosion, very difficult to work. Used in electro plating and hot dipping ferrous metals, protecting materials from rusting such as roofing. |
What are the properties and uses of gold? | A precious metal, malleable, ductile, very resistant to corrosion. Used in jewellery, bullion and electrical contacts. |
What are the properties and uses of tin? | Soft, pliable, silvery-white, not easily oxidised and resists corrosion. Used in can coating, solder and electrical circuits. |
What are the properties and uses of silver? | Very good conductor of heat and electricity, very ductile, malleable. Used in jewellery, silver ware and coins. |
What are the properties and uses of brass? | Heavy, quite hard, gold colour, easily machined and joined. Used in castings, garden ornaments and taps. |
What are the properties and uses of bronze? | Reddish-yellow, harder than brass, resistant to corrosion, casts well. Used in bearings and gears and cast sculptures. |
What are the properties and uses of pewter? | Malleable, can be hardened, low melting point, bluish tint. Used in glass making, pottery and cutlery. |
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