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Alumina Partners of Jamaica, also known as Alpart, is a company that owns and operates a bauxite refinery in Nain, Jamaica. [1] Alpart was founded in 1969 as a joint venture by Kaiser Aluminum, Reynolds Aluminum, and Anaconda. [2] Alpart exports 1.65 million tonnes of alumina overseas per year, and earned gross revenues of US$1.3 billion in ...
Structural steel welding - Welding of steel structures AS/NZS 1554.2: Structural steel welding - Stud welding (steel studs to steel) AS/NZS 1554.3: Structural steel welding - Welding of reinforcing steel AS/NZS 1554.4: Structural steel welding - Welding of high strength quenched and tempered steels AS/NZS 1554.5
The symbolic representation of a V weld of chamfered plates in a technical drawing. The symbols and conventions used in welding documentation are specified in national and international standards such as ISO 2553 Welded, brazed and soldered joints -- Symbolic representation on drawings and ISO 4063 Welding and allied processes -- Nomenclature of processes and reference numbers.
These prices are more an indication than an actual exchange price. Unlike the prices on an exchange, pricing providers tend to give a weekly or bi-weekly price. For each commodity they quote a range (low and high price) which reflect the buying and selling about 9-fold due to China's transition from light to heavy industry and its focus on ...
That first year the Society grew to 217 members; introduced the Journal of the American Welding Society, a technical publication with a life of one issue, but the precursor of the Welding Journal; found a home in the Engineering Societies Building in New York City; and established the foundation of the committee system for the production of its ...
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Other arc welding processes use alternative methods of protecting the weld from the atmosphere as well – shielded metal arc welding, for example, uses an electrode covered in a flux that produces carbon dioxide when consumed, a semi-inert gas that is an acceptable shielding gas for welding steel. Improper choice of a welding gas can lead to a ...
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