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Hard chrome for high temperature?

adv.

Would like to know what is the highest temperature limit for hard chrome coating ?

Yang, Ning
Researcher - Hsinchu, Taiwan
2007

The melting point of chromium is around 1900 °C. That would be the maximum limit to remain as a coating (solid). If you mean its hardness when electroplated it requires the interpretation of a curve Begins to decline above 250 °C and softens totally (hardness of the annealed metal) around 700 °C.

Guillermo Marrufo
Monterrey, NL, Mexico
2007

adv.

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