A special alloy known as Inconel X gave the X-15 its distinctive black color. Made mostly of nickel with chromium, iron, and niobium (columbium), Inconel X was highly resistant to heat while maintaining its strength.

Created:

2008

Photographer:

Eric Long

ID#:

NASM 2008-5563

Source:

Smithsonian's National Air and Space Museum

Owner:

Smithsonian Institution

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