Costs have Boeing wary of aluminum-lithium

Jun 24, 2013 | 03:39 PM | Frank Haflich

Tags  Boeing, aluminum, aluminum-lithium, Jeff Carpenter, Frank Haflich

NEW YORK — New alloys have to "buy their way" onto aircraft, and aluminum-lithium has proven too expensive for Boeing Co., according to a senior executive.

"So far it has been cost-prohibitive," Jeff Carpenter, senior manager of raw material procurement, supplier management, for the parent company’s Boeing Commercial Airplanes unit, said at AMM’s Aluminum Summit in New York.

The aluminum industry claims aluminum-lithium has superior strength-to-weight performance vs. more conventional alloys as well as improved stiffness, damage tolerance and corrosion resistance. ....

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