The best replacement for brass is bronze.

The best alternatives to brass are rated as following:
★★★★★  bronze
★★★★  copper
★★★  stainless steel
★★  gold
★★  steel
★  nickel
★  steel ammo
★  steel screens
★  woodwind
  pewter
  copper conductivity
  steel freeze plugs
  copper price
  brass plated
  aluminum ammo
  yellow brass
  aluminum hardness
  aluminum nipples
  chrome
  copper hardness
  bronze how to tell
  low brass
  steel saddles
  glass slide
  steel wire brush
  chrome zippo
  low brass shotgun shells
  copper difference
  steel cartridges
  aluminum radiator
  zinc
  steel cases
  steel casings
  pvc tub drain
  aluminum radiators
  nickel casing
  iron
  alloy nipples
  brushed nickel
  steel casing
  oil rubbed bronze
  tinkling cymbal
  polished brass

Your alternative for brass is not listed? Suggest!
Speaking about brass, one probably shouldn't forget about galvanized.

Other search terms related to brass and their ratings are:
★★★★★ galvanized
★★★★★ bullet
You have in mind a companion for brass and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of brass in all years. Click on graph for more.
brass
bronze
copper