Aluminum is the second most plentiful element on the earth and it became a competition in 19th century. The huge demand of aluminum is projected to get 70 million tons, over 30 millions being obtained from recycled scrap. The scope of aluminum ranges from household to space vehicles. Dramatic advances in casting,welding,forming and eco friendly methods of production have made aluminum and aluminum alloys highly attractive candidate for automotive and aerospace industry, because of their wide range of attributes such as high strength, resistance to corrosion, low density, high reflectively, high ductility and proven reliability
