Types of Heavy Weight Metals: Copper (Cu): Copper It is probably the primary engineering metal to be used. Unlike other metals, it can occur in nature within the metallic form also as an ore. It has excellent heat and electrical conductivity and resists to corrosion when alloyed with other metals. However, thanks to lower density, aluminum has higher conductivity per unit weight. Zinc (Zn): Zinc Zinc is an inexpensive material with moderate strength. It is chemically similar to magnesium. Mechanically zinc is more ductile but not as strong. Although its metal and alloy forms are important, zinc is most commonly used to extend the life of other materials such as steel (galvanizing), rubber and plastic (as an aging inhibitor), and wood (in paint coatings). The zinc-base alloys have an important place as a die-casting metal as it has low melting point (419.5 ºC) which does not affect steel dies adversely, and hence it can be made into alloys with good ...
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