Just a comment on what the manufacturer said. The manufacturer most likely has to say this for legal reasons.
Generally 201 stainless will be fine for outdoor use, however it's not rated for 'structural' outdoor use, it can eventually rust and pit mainly due to it's low nickel content. The hinge might rust and fail, but you'll probably be long dead by then!
For example the pots and pans in your kitchen are most likely 201 stainless. Ours certainly aren't rusty!
Answered by: Sammy296296
Date published: 2022-01-03