For small automotive type radiators-both Copper Brass and Aluminum are approximately the same. For very large applications Aluminum conduction contributes to a small extent.
Durability
High
Low due to corrosion and lack of flexibility
Life Expectancy
High
Low
Repair
Easy and Frequent
Throw Away
Repair Method
Soldering and/or Brazing
Brazing - Not Reliable
Weght
Heavy
Light
Cost
Aluminum cost approximately 40 to 50 percent more than Copper Brass
