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Why Aluminum Brass Tubes Are Used in Marine Oil Coolers

Aluminum brass (CuZn20Al, UNS C68700) is a copper alloy specifically engineered for marine and seawater cooling applications. It is widely used in shell-and-tube oil coolers for ships, offshore platforms, and desalination plants due to its unique corrosion-resistant properties.

Key Reasons for Using Aluminum Brass in Marine Oil Coolers

1. Superior Corrosion Resistance in Seawater

  • Resists biofouling & saltwater corrosion better than plain copper or admiralty brass.
  • Contains 2% aluminum (Al), which forms a protective oxide layer against seawater.
  • Why Aluminum Brass Tubes Are Used in Marine Oil Coolers
  • Aluminum brass (CuZn20Al, UNS C68700) is a copper alloy specifically engineered for marine and seawater cooling applications. It is widely used in shell-and-tube oil coolers for ships, offshore platforms, and desalination plants due to its unique corrosion-resistant properties.
  • Key Reasons for Using Aluminum Brass in Marine Oil Coolers
  • 1. Superior Corrosion Resistance in Seawater
  • Resists biofouling & saltwater corrosion better than plain copper or admiralty brass.
  • Contains 2% aluminum (Al), which forms a protective oxide layer against seawater.