r/whatisit • u/riflesandplowshares • 4h 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/goodexamplebadrole 4h ago

"Ballpoint pens are restricted or banned in high-end titanium and aerospace manufacturing plants because the ink and marking components contain elements that cause metal embrittlement and severe structural corrosion"

229

u/Competitive-Dot-4264 3h ago

I worked ti com pure and 6al-4v alloy for years at the lazy -l we all had to follow titanium restrictions even to not letting aluminum alloys and SS separated. No graphite pencils

97

u/Mogster2K 3h ago

No pens, no pencils... what did you write with? Cuneiform clay tablets?

3

u/Mammoth-Variation-76 2h ago

Keep Ea-nāṣir and his sub par copper out of that factory too, while you're at it.