Monday, July 19, 2010

Does steel really get red hot when heated, or is it another color?

Turns out hot steel has a veritable palette of colors which can be nicely laid out in a color chart or table for heated metals. Steel begins to glow a faint red at 750 °F, turns red hot at 1,550 °F, gets a nice lemony yellow at 1,825 °F and glows a 'dazzling' white hot at  2,350 °F.

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