Aluminum basket in stainless steel stock pot: practical warning

Summary for aluminum basket in stainless steel stock pot Discussion

Aluminum basket in stainless steel stock pot is the core question here: Nancy Tarrand asked whether an aluminum perforated pasta strainer basket used inside a stainless steel stock pot with boiling salted tap water would create a metal interaction problem. The answerer said the setup does meet the conditions for significant galvanic corrosion, so in principle the metals can interact. However, he suggested the issue is likely minor in practice because the contact only occurs for a few hours per year and the baskets are usually inexpensive and nearly disposable. The exchange does not report a failure or a definitive long-term test result, only a practical judgment that the corrosion risk exists but is probably limited under normal occasional use.