Both cast iron and carbon metallic woks require seasoning to keep rust
https://privatebin.net/?f38fae03321dd093#A1VXhqb98xhNB6bAcGw3zd6dQpr1Sd3f7hghkXKXoM2N
Both cast iron and carbon metal woks require seasoning to keep away from rust, however carbon steel commonly seasons quicker with established use.