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Module 6. Materials & hardware
Surface corrosion on stainless steel is identified by
•  red rust.
•  white film.
•  black pitting.

Gibbo280490 asking:
•  Why is this not Red Rust? i can find nowhere that states Surface corrosion on steel is 'Black Pitting'

Community comments: 2
Jordi
Posts: 98
16.05.2020 / 16:53
i dont have a clue.
Slick Rick 88
Posts: 1
07.11.2020 / 12:05
red rust can be spotted on normal steel but on stainsless steel it's black pitting
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