| 不 |
bù xiù tiě | rust-resistant iron (an informal term for certain nickel-free stainless steels, usually of lower quality and less corrosion-resistant than true stainless steel such as 304 or 316) |
| 不 |
bù | no; not so / (bound form) not; un- |
| 锈 |
xiù | variant of 锈 |
| 锈 |
xiù | to rust |
| 铁 |
Tiě | surname Tie |
| 铁 |
tiě | iron (metal) / arms / weapons / hard / strong / violent / unshakeable / determined / close / tight (slang) |