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Question: SS 316 and Sulfuric Acid?

Answer: As you can see in this isocorrosion graph for stainless steel in contact with sulphuric acid , the SS 316, 17-12-2.5, has a corrosion rate below 0.1mm/y for concentration below 20% and above approx 85% , this limits change with temperature. http://www.outokumpu.com/applications/corrosion/image_viewer.asp?image=sulphuric1.jpg

Is this publication of NIDI is possible to find useful information on Corrosion Resistance of Nickel Alloys and stainless steel in contact with sulfuric acid. http://www.enia.org/index.cfm/ci_id/15786/la_id/1/ci_doc_id/3142/search_keyword/metal/method/.html

This are some useful source of information on corrosion resistance and corrosion prevention for stainless steel:

corrosion prevention material selection in sulfuric acid

corrosion of stainless steel

stainless steel corrosion tables


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