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2. 7075 aluminium alloy - Wikipedia

   en.wikipedia.org/wiki/7075_aluminium_alloy

   The retrogression and reage (RRA) temper is a multistage heat treatment temper. Starting with a sheet in the T6 temper, it involves overaging past peak hardness (T6 temper) to near the T7 temper. A subsequent reaging at 120 °C for 24 hours returns the hardness and strength to or very nearly to T6 temper levels. [10]

3. Aluminized steel - Wikipedia

   en.wikipedia.org/wiki/Aluminized_steel

   Aluminized steel is more resistant to corrosion than bare steel [1] while retaining properties of steel, at temperature lower than the melting point of aluminum, 800 °C (1,470 °F). Common applications include heat exchangers in residential furnaces, commercial rooftop HVAC units, automotive mufflers , ovens, kitchen ranges, water heaters ...

4. Corrugated galvanised iron - Wikipedia

   en.wikipedia.org/wiki/Corrugated_galvanised_iron

   Corrugated galvanised iron (CGI) or steel, colloquially corrugated iron (near universal), wriggly tin (taken from UK military slang), pailing (in Caribbean English), corrugated sheet metal (in North America), zinc (in Cyprus and Nigeria) or custom orb / corro sheet (Australia), is a building material composed of sheets of hot-dip galvanised ...

5. Alcoa - Wikipedia

   en.wikipedia.org/wiki/Alcoa

   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.

6. List of aluminium smelters - Wikipedia

   en.wikipedia.org/wiki/List_of_aluminium_smelters

   Straumsvik, near Hafnarjordur: 205,000 [8] Rio Tinto: On 19 September 2018, Norsk Hydro backed out of its deal to buy Rio's Icelandic Smelter. [10] Iceland: Helguvíkurvegur, near Keflavík: 250,000: Nordic Aluminum Co (Norðurál), subsidiary of Century Aluminum: Partially complete. Construction suspended in 2008. India: Korba: 570,000

7. Aluminium - Wikipedia

   en.wikipedia.org/wiki/Aluminium

   [124] [k] (Another article in the same journal issue also refers to the metal whose oxide is the basis of sapphire, i.e. the same metal, as to aluminium.) [126] A January 1811 summary of one of Davy's lectures at the Royal Society mentioned the name aluminium as a possibility. [127]