Cast Nickel-Tin Bronze Continuous Cast Alloy (UNS C94700) - Mechanical Properties

Cast nickel-tin bronze UNS C94700 has a copper content of not less than 85%.

Tabulated below are the mechanical properties of UNS C94700 continuous cast alloy as a function of heat treatment.

Temper Tensile Str. Yield Str. Elong.
M07 310MPa (45ksi) 138MPa (20ksi) 25%
TF00 517MPa (75ksi) 345MPa (50ksi) 5%

The chemical composition of UNS C94700 copper alloy is outlined in the following table.

Elements Content (%)
Copper, Cu 85.0-90.0
Nickel, Ni 4.5-6.0
Tin, Sn 4.5-6.0
Zinc, Zn 1.0-2.5
Iron, Fe 0.25
Manganese, Mn 0.2
Antimony, Sb 0.15
Lead, Pb 0.09
Sulfur, S 0.05
Phosphorus, P 0.05
Aluminum, Al 0.005
Silicon, Si 0.005

Equivalent materials to UNS C94700 copper alloy are given in the table below.

  • ASTM B30
  • ASTM B505
  • ASTM B584
  • ASTM B763
  • QQ C390
  • SAE J461
  • SAE J462

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