High performance alloys like 718, 625, GTD222, and Rene77 may require the use of vacuum during casting. Vacuum is used when part detail and control of exposure to oxygen is critical. MetalTek can centrifugally cast parts in vacuum in sizes up to 18" x 42" (455 mm x 1,070 mm) and pour weights up to 800 lbs. (364 kg).
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