Copper Continuous Cast Alloy (UNS C90300) - Mechanical Properties

Copper UNS C90300 has a copper content of not less than 86%.

The following table shows the mechanical properties of UNS C90300 continuous cast alloy as a function of heat treatment.

Temper Tensile Str. Yield Str. Elong.
M07 303MPa (44ksi) 154MPa (22ksi) 18%

Equivalent materials to UNS C90300 copper alloy are the following:

  • ASTM B271
  • ASTM B30
  • ASTM B505
  • ASTM B584
  • ASTM B763
  • MIL C-11866
  • QQ C390
  • SAE J461
  • SAE J462

The chemical composition of UNS C90300 copper alloy is outlined in the following table.

Element Content (%)
Copper, Cu 86-89
Tin, Sn 7.5-9
Zinc, Zn 3-5
Nickel, Ni 1
Lead, Pb 0.3
Iron, Fe 0.2
Antimony, Sb 0.2
Sulfur, S 0.05
Phosphorous, P 0.05
Silicon, Si 0.005
Aluminum, Al 0.005

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