red heat

physic metallurgy

"Red heat" describes the condition or temperature at which a material, typically metal, glows red due to high heat.

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Definition

C1Physics

(technical)The state in which a material glows red because of high temperature.

Example

The blacksmith heated the iron until it reached red heat.

C2Metallurgy

(technical)The temperature range at which metal emits a red glow, generally between 426°C and 1,000°C.

Example

Steel begins to show red heat at around 800 degrees Fahrenheit.

Similar

Terms that have similar or relatively close meanings to "red heat":

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