Thanks EdStainless - So, if I understand correctly, you suspect that the discoloration is due to re-embedded particles rusting during the autoclave process - yes? Using a buffing compound greatly increases the problem as it traps a lot of debris into the surface of the stainless steel?
I was...
The part was polished using a combination of sanding belts, flap wheels, and buffing wheels with abrasive compound. Iron contamination from the polishing process is a possibility, but it seems unlikely as the above tools are dedicated to only stainless steel polishing. Is it possible that the...
After autoclave sterilizing a mechanically polished cast CF3M (316L) stainless steel part with steam at 121C for 25 minutes and drying under vacuum for 30 minutes, I observed a discoloration of the stainless steel. Click on the link to see the discoloration...
