Is Stainless Steel Magnetic? ...It Depends
Some stainless steel is magnetic. Ferritic grades like 430 and 409 are; austenitic 304 and 316 usually aren't. A grade-by-grade guide with a magnet test.
Stainless Steel Guide
Stainless Steel Guide
The (Almost) Indestructible Metal!
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Does Stainless Steel Tarnish? Everything You Need to Know
Stainless steel can dull, stain, heat-tint, or corrode. The cause and safe cleaning method depend on alloy, finish, coating, exposure, and intended use.
Stainless Steel Guide