Aluminum Brass Tube (UNS C68700) - Mechanical Properties

Aluminum brass UNS C68700 has a copper content of not less than 76%.

The following table shows the mechanical properties of UNS C68700 tube as a function of heat treatment.

Temper Tensile Str. Yield Str. Elong. Rockwell
B C F 30T
OS025 414MPa (60ksi) 186MPa (27ksi) 55% - - 77 -

Equivalent materials to UNS C68700 copper alloys are the following:

  • ASME SB111
  • ASME SB359
  • ASME SB395
  • ASME SB543
  • ASTM B111
  • ASTM B359
  • ASTM B395
  • ASTM B543

The chemical composition of UNS C68700 copper alloy is outlined in the following table.

Element Content (%)
Copper, Cu 76-79
Aluminum, Al 1.8-2.5
Arsenic, As 0.02-0.06
Iron, Fe 0.06
Lead, Pb 0.07
Zinc, Zn Remainder

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