Historic Cover Archive
1974 to 1972
1974 to 1972
Caption: Rolling mill at the Nagoya, Japan plant of Sumitomo Light Metal Industries, Ltd. This is one of the largest and most modern rolling facilities in the world.
Caption: Salem walking beam furnace at Kaiser Aluminum and Chemical Corporation's Ravenswood, Virginia, plant. The furnace handles aluminum ingots weighing up to 40,000 lbs and 300 inches in length. Ravenswood has just completed an extensive remodification of production facilities.
Caption: Rolling aluminum sheet at Kaiser Aluminum and Chemical Sales. (Photo courtesy Kaiser Aluminum and Chemical Sales.)
Caption: One of two 66 in. continuous casters built by Hunter Engineering Company, Inc. of Riverside, California, for the first aluminum sheet and foil facility in Turkey.
Caption: Workman at Comalco's Bell Bay primary aluminum plant breaks surface crust which forms in pots during the aluminum reduction process. Comalco is an Australian affiliate of Kaiser Aluminum & Chemical Corporation.
Caption: Hunter prestressed breakdown mills play the work horse role in many foil plants. This 15, 3/4" x 38" X 72" Hunter mill is installed at Amax Aluminum's Joliet, Illinois sheet plant. A similar Hunter mill operating at speeds up to 2400 fpm anchors Conalco's foil facility at Jackson, Tennesse.
Caption: The multiple tongs removing four aluminum ingots at a time form part of a casting system developed by the aluminum industry to increase efficiency and improve ingot quality. (Photo courtesy The Aluminum Association.)
Caption: ALBA - Aluminum Bahrain is the Arab world's first aluminum smelter. The $160 million refinery located on this island nation just off the Gulf coast of Saudi Arabia ships more than 120,000 metric tons of aluminum annually to western Europe and Japan. ALBA's potline is energized by electricity produced from natural gas supplied by Bahrain Petroleum Co. Ltd, an affiliate of Standard Oil of California. (Photo courtesy of Standard Oil of California Bulletin.)
Caption: World's fastest multi-stand rolling mill at Alcoa's Warwick Works, built by Mesta Machine Co., produces 52-inch wide sheet at speeds up to 8250 feet per minute.
Caption: Seven-foot micrometer could be used to measure Wilt the Stilt's height to within l/l000th of an inch, but instead it insures absolute roundness of a backup roll on the 220-inch hot reversing mill at Alcoa's Davenport (Iowa) Works.
Caption: Molten aluminum fresh from the reduction pots is cast into 1200 pound sows. (Photo courtesy of the Aluminum Association.)
Caption: Aluminum ingot is removed from vertical casting unit for storage prior to further processing into sheet, plate or foil. (Photo courtesy Aluminum Association.)
Caption: World's largest rolling mill at Alcoa's Davenport, Louisiana, plant recently unveiled, rolls aluminum plate 210 inches wide.
Caption: This new six-strand Mesta cold rolling mill is the world's fastest. Recently installed at Alcoa's Warrick, Indiana, sheet mill the computer-controlled mill is capable of spewing out aluminum sheet at more than a mile-and-a-half per minute. The mill rolls sheet 52 inches wide to an unprecedented precision, made possible by special quality control devices. Sheet from the new mill will go primarily to can manufacturers.