The best replacement for aluminium is aluminum.

The best alternatives to aluminium are rated as following:
★★★★★  aluminum
★★★★  steel
★  stainless steel pressure cooker
★  upvc windows
★  carbon bike
★  copper
★  carbon arrows
★  aluminum spelling
★  vinyl windows
★  fibreglass boats
★  carbon fiber
★  steel bikes
★  copper cable
★  stainless steel pressure cookers
  upvc
  steel bike frames
  steel radiators
  pvc
  carbon frame
  wood windows
  stainless steel price
  fibreglass
  upvc doors
  pvc windows
  carbon road bike
  fibreglass boat
  timber windows
  fiberglass boat
  carbon
  plastic guttering
  magnesium
  stainless steel water bottles
  steel bike
  steel price
  stainless steel water bottle
  carbon fibre
  alloy
  fiberglass boats
  mild steel
  carbon bikes
  iron
  acier
  copper heatsink
  stainless steel bottle
  wrought iron

Your alternative for aluminium is not listed? Suggest!
Speaking about aluminium, one probably shouldn't forget about nitric acid.

Other search terms related to aluminium and their ratings are:
★★★★★ nitric acid
★★ 8-hydroxyquinoline
★ iron oxide
★ stainless steel screws
You have in mind a companion for aluminium and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of aluminium in all years. Click on graph for more.
aluminium
aluminum
steel