Quote:
Originally Posted by Sajen
If the blade is not nickel-plated or chrome-plated, it is made of high-alloy steel—i.e., "stainless"—and this is corrosion breaking through. It is definitely not a trace of former etching.
Regards,
Detlef
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I also applied vinegar to a small portion of the blade. It created a darken spot. This type of reaction does not occur with stainless steel