Is the tire steel wire stainless steel?
But if you put it outside, it's easy to rust. Its coating is used to bind the rubber of the tire, not to prevent rust
Tire steel wire is a high carbon steel 70-80C-90C drawn after the surface of brass plating, and then stretched into a rope, the surface is brass, thin about 0.5um, will soon rust, but and rubber will occur vulcanization reaction,
They are all copper plated steel wire. They won't rust.