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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.
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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.