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Aluminium (or aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13. Aluminium has a density lower than that of other common metals, about one-third that of steel. It has a great affinity towards oxygen, forming a protective layer of oxide on the surface when exposed to air.
In 1988, Charles Hurwitz and his company Maxxam, Inc. purchased KaiserTech Ltd, the Oakland-based parent of Kaiser Aluminum and Chemical Company. [10] Kaiser Aluminum filed for bankruptcy in 2002, due to labor disputes, the West Coast energy crisis, and asbestos liabilities. The steel workers union was suspicious of Hurwitz on the collapse of ...
Alcoa Corporation (an acronym for " Aluminum Company of America ") is an American industrial corporation. It is the world's eighth-largest producer of aluminum. [2][3] Alcoa conducts operations in 10 countries. Alcoa is a major producer of primary aluminum, fabricated aluminum, and alumina combined, through its active and growing participation ...
Extrusion. Extruded aluminium with several hollow cavities; T slots allow bars to be joined with special connectors. Extrusion is a process used to create objects of a fixed cross-sectional profile by pushing material through a die of the desired cross-section. Its two main advantages over other manufacturing processes are its ability to create ...
Continuous casting, also called strand casting, is the process whereby molten metal is solidified into a "semifinished" billet, bloom, or slab for subsequent rolling in the finishing mills. Prior to the introduction of continuous casting in the 1950s, steel was poured into stationary molds to form ingots. Since then, "continuous casting" has ...
Novelis Inc. is an American industrial aluminum company, headquartered in Atlanta, Georgia, United States. [5][6] It is an independent subsidiary of multinational aluminium and copper manufacturing company Hindalco Industries. [7] Novelis is a producer of rolled aluminum and an aluminum recycler. [8] The company serves customers in sectors ...
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