secondary metal

noun

1. metal derived wholly or in part from scrap.

Example Sentences

In copper, there is an actual surplus of secondary metal on the market, while painfully short virgin metal is still insisted upon for belts and insignia, laundry equipment, whistles, zippers, etc.

From Time Magazine Archive

Additionally, there was the requisite amount of secondary metal in lower chords and braces necessary for stability and rigidity.

From Project Gutenberg