I have acidic sweat too, and if I even touch a blued steel gun and don’t wipe it down with oil afterwards, it’ll have surface rust the next day.I've carried a carbon steel pocketknife off and on for nearly fifty years. For quite a few years I carried an SS lockblade on my belt instead. The SS never got dull, but the carbon ones would - also the carbon springs turn black.
My dad carried the exact knife and his springs would be shiny from the wear in his pocket. The only thing I could figure was I either sweat more or have more acid that created a different reaction in the steel.