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I Don’t Know Why Women Keep Laughing at Me When I’m Out Driving my Tesla Cybertruck
(www.torquenews.com)
this post was submitted on 28 Oct 2024
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What am I completely wrong about exactly? I haven't made any claims about the quality of the steel.
Most of the articles I find when googling about the rusting points towards iron particles.
The lower the grade the faster it rusts. Forgot most people don't know that. Its rusting because there is iron in steel (duh). It's rusting quickly because it has low concentration of rust inhibitors like chromium or nickel. Increasing the concentration of these metals makes it rust slower. It also makes it harder to tool into a car body, making it a shifty choice for a car shell.
The article you linked is either uninformed or being misleading about "free iron". That just means there are no rust inhibitors so they are leaving free energy available on the surface of an iron grain at the surface of the material. This makes it rust quickly where those grains are. There are millions of these grains at the surface where the metal interfaces with air. The iron particles are in the body panel, not on top of it.