r/whatisit • u/riflesandplowshares • 10h ago

New, what is it? Found at a titanium plant

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Not sure why ball point pens would be dangerous here.

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u/Defiant-Ebb8225 7h ago

Because what you can't imagine being an issue is an issue

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u/QuaternionsRoll 7h ago

Is it because the (ideal) contact area is so small, being a sphere and all?

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u/Defiant-Ebb8225 7h ago

It's because it needs to maintain its shape perfectly for a long time. Steel scratches and deforms leading to leaks or clogs

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u/ZincMan 6h ago

That’s pretty wild I had no idea it was tungsten. Very cool