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C83600 Ounce Metal vs. C94300 Bronze

Both C83600 ounce metal and C94300 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is C83600 ounce metal and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 21
9.7
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 39
32
Tensile Strength: Ultimate (UTS), MPa 250
180
Tensile Strength: Yield (Proof), MPa 120
120

Thermal Properties

Latent Heat of Fusion, J/g 190
150
Maximum Temperature: Mechanical, °C 160
110
Melting Completion (Liquidus), °C 1010
820
Melting Onset (Solidus), °C 850
760
Specific Heat Capacity, J/kg-K 370
320
Thermal Conductivity, W/m-K 72
63
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 15
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 8.8
9.3
Embodied Carbon, kg CO2/kg material 3.1
2.9
Embodied Energy, MJ/kg 50
47
Embodied Water, L/kg 350
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43
15
Resilience: Unit (Modulus of Resilience), kJ/m3 70
77
Stiffness to Weight: Axial, points 6.7
5.2
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 7.9
5.2
Strength to Weight: Bending, points 10
7.4
Thermal Diffusivity, mm2/s 22
21
Thermal Shock Resistance, points 9.3
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.8
Copper (Cu), % 84 to 86
67 to 72
Iron (Fe), % 0 to 0.3
0 to 0.15
Lead (Pb), % 4.0 to 6.0
23 to 27
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 4.0 to 6.0
4.5 to 6.0
Zinc (Zn), % 4.0 to 6.0
0 to 0.8
Residuals, % 0
0 to 1.0