Originally Posted by WESTERNAERO All 400 series stainless is magnetic. 410, 430, 431, etc. Also 15-5ph, 17-4ph, 13-8ph, 18-8ph, 17-7ph, etc. are magnetic. Like the drive shaft on a Jet Ski.
Originally Posted by Havasu Party Bus Like the drive shaft on a Jet Ski. Most likely 17-4ph. 17% chromium, 4% nickel. Common shafting material for lower torque apps.
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