Reply to post: Re: Anybody who says their sapphire watch face scratched

As Corning unveils its latest Gorilla Glass, we ask: What happened to sapphire mobe screens?

Aqua Marina

Re: Anybody who says their sapphire watch face scratched

“Tungsten carbide is a ceramic, not a metal”

Genuine question. Why is Iron alloyed with Carbon a metal (carbon steel) but Tungsten alloyed with Carbon a ceramic?

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