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Tesla Cybertruck May Have A Rust Problem
(www.carsdirect.com)
This is a most excellent place for technology news and articles.
I guess there is still iron in it. Looks like they didn’t use an alloy with enough chromium for the application.
Tesla, cutting corners?! Say it isn't so!
Well it has to be workable/formable, weldable and crack resistant under stress. Just welding most stainless mess with its ferrous properties.
Forming it screws it up too. Work hardening after forging can make it magnetic.