Historic Cover Archive
1958 to 1956
1958 to 1956
Caption: This is believed to be the largest aluminum ring ever rolled. O.D. is 11.5 inches. I.D. 103.5 inches. It is 1.5 inches thick and of 6061-T6 alloy. Rolled by Standard Steel Works Div. Baldwin Lima Hamilton at Burnham, Pennsylvania.
Caption: A worker at Ormet Corp. aluminum reduction plant breaks the crust of solidified electrolyte in reduction pot in order to add more alumina. One potline totaling 168 pots is now in production producing 100 tons of aluminum per day.
Caption: Heliwelding aluminum sections by means of a special fixture on the Titan ICBM at Martin Aircraft Company, Denver Colorado. (Photo courtesy Air Reduction Company.)
Caption: Pouring aluminum into pig molds at Kaiser Aluminum's Chalmette, Louisiana, plant.
Caption: Partially formed titanium hat cover made from a heated blank. (Courtesy Boeing Airplane Co.)
Caption: 8,000-pound aluminum extrusion billets. (Photo courtesy Kaiser Aluminum & Chemical Corp.)
Caption: Mold for aluminum casting made by frozen mercury process is broken by pneumatic hammer. (Photo courtesy of Alloyed Precision Castings Co., Cleveland, Ohio.)
Caption: Tapered aluminum wing sections which heve been formed by new Cyril Bath combination stretch and compression method machine.
Caption: The world's largest aluminum die forging - made by Aluminum Company of America.
Caption: Titanium ore is charged into chlorinator at Titanium Metals Corporation of America plant in Henderson, Nevada.