I could speak of the various attributes of each particular alloy, in terms of its metallurgy, and physical properties but it sounds as if it's out of your understanding and comprehension........., and YES stainless steel will "rust" due to chloride corrosion........Nobody asked which is the best but why don't you tell us and give a detailed explanation as to why one is better than another for a simple anti collapse spring. Specifically, post results of your research with structured sections like an introduction, literature review, methodology, results, and conclusion. Waiting........
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I could speak of the various attributes of each particular alloy, in terms of its metallurgy, and physical properties but it sounds as if it's out of your understanding and comprehension........., and YES stainless steel will "rust" due to chloride corrosion........
BOB RENTON