Possible Clues:

• Melted and reused iron, e.g.
• Fight with guns for old iron
• Barman finds two types of music that doesn't necessarily go to waste
• Sample cart offloading any old iron
• Song introduced by former compères doing a turn: Any Old Iron?
• Fight encountered over aluminium waste that's recyclable
• Damaged lamp recast in waste material
• Fight with copper in breaker's yard
• From which you could get lamp recast?
• Old estate could be sold as this fantastically smart place