nonferrous

/ˌnɑnˈfɛrəs/
adjective
  1. Containing little or no iron; not made of or including iron.
    • Nonferrous alloys like brass are popular for decorative hardware because they don't rust.
    • The recycling center separates ferrous from nonferrous materials for processing.
    • Aluminum and copper are common nonferrous metals used in electrical wiring.
Antonyms
What does "nonferrous" mean? | whatsthatwordmean | whatsthatwordmean