[brewdad]

Of course they developed a proprietary steel and then shipped it for customers to test in production.

[xedeon]

I think in this case, SpaceX engineers know more about material science than a rando HN user.

[defrost]

What about Tesla engineers?

How about HN users that took actual Engineering and specialised in material sciences and are familar with the austenitic stainless steel family?

Meh, forget all that - are you stating that the steel cladding on current Cybertrucks is not showing pitting and corrosion despite claims to the contrary?