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Which of the following metal is highly resistant to crevice corrosion?(a) Stainless steel(b) Copper(c) Aluminum(d) Hastelloy C-276I have been asked this question by my college director while I was bunking the class.The above asked question is from Eight Forms topic in chapter Eight Forms of Corrosion of Corrosion Engineering

Answer»

Correct option is (d) Hastelloy C-276

Explanation: Hastelloy C-276 is the best CREVICE CORROSION-resistant metal. The COMPOSITION of Hastelloy C-276 is 15.5%Cr, 54.7%Ni, 15.5%MO, 3.8%W, and 0.5%Mn. Whereas the other metals depend on oxide film for their corrosion resistance.



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