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-----Rusting of stainless steel ISO tanks
I just wonder how we can preserve a stainless steel vessel (type 316) for a long period of time from rusting. also how we can remove rust from the stainless steel vessel (our ISO tanks were rusted from inside).
Hasan Hatugchemical company - Jordan
2005
Does ISO refer to an ISO manufacturing standard or a chemical in the tank? Was the tank (especially, the welds) initially clean and passivated ? What chemical was in the tank? Concentration? Any chloride-containing impurities? Temperature?
Suggestion: clean and remove rust per ASTM A380
-992005 Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems, then passivate using a nitric acid or warm citric acid solution per ASTM A967 -05 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts.
- Goleta, California
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2005
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