Is type 409 stainless steel magnetic?
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The magnetism myth is because the common magnetic grades of stainless steel, 409 and 430, don't resist corrosion as well as the common non-magnetic grades, 304 and 316. You can't expect them to. Grade 409 has 11% of chromium, which is plenty for automotive muffler systems.
2023-06-01 12:45:45
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Charlotte Scott
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The magnetism myth is because the common magnetic grades of stainless steel, 409 and 430, don't resist corrosion as well as the common non-magnetic grades, 304 and 316. You can't expect them to. Grade 409 has 11% of chromium, which is plenty for automotive muffler systems.