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Coating for aluminum 7075: H2S and NACE compatible

We design and build pipe line inspection tools. Our parts are made of Al.7075 & Hard Anodized. Do you know about any coating/treatment for making parts H2S and NACE BRINE compatible?

Lev [surname deleted for privacy by Editor]
PMG - CANADA
2006

Did you get an answer as I'm also looking for that kind of coating?

Andre Cliche
- Thetford Mines, QC, Canada
November 2, 2011

My preference would be for 0.0015" of High P electroless nickel Boron EN would work also, but costs more.
If you go the hardcoat way, you might see if oil or paint would be allowed.

James Watts
- Navarre, Florida
November 4, 2011

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