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SAE AMS7855C
- Columbium (Niobium) Alloy Bars, Rods, and Wire 10W 2.5Zr Recrystallized ( Reaffirmed: Jun 2008 )
- standard by SAE International, 10/01/2003
- Publisher: SAE
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This specification cover as columbium alloy in the form of bars, rods, or wire.This material has been used typically for parts requiring exposure at ultra-high temperatures, but usage is not limited to such applications. Applications in oxidizing atmospheres necessitate a protective coating.