Flash Rust

Discoloration

Posted on 15. Mar, 2009 by charles frenzel.

Discoloration

Brown or black discoloration remaining in pits is not the same as flash rust. Metals other than carbon steel can manifest discoloration as well.
USS Champlain CG 67 Example of Discoloration
San Diego 2002. Photo courtesy Y&T Consulting
 
 
There is no one single type of “flash rust.”

With the exception of stainless steel surfaces, any steel surface may show [...]

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