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C94400 Bronze vs. C83600 Ounce Metal

Both C94400 bronze and C83600 ounce metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C94400 bronze and the bottom bar is C83600 ounce metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 18
21
Poisson's Ratio 0.35
0.34
Shear Modulus, GPa 37
39
Tensile Strength: Ultimate (UTS), MPa 220
250
Tensile Strength: Yield (Proof), MPa 110
120

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 940
1010
Melting Onset (Solidus), °C 790
850
Specific Heat Capacity, J/kg-K 350
370
Thermal Conductivity, W/m-K 52
72
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
15
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
15

Otherwise Unclassified Properties

Base Metal Price, % relative 32
31
Density, g/cm3 9.1
8.8
Embodied Carbon, kg CO2/kg material 3.4
3.1
Embodied Energy, MJ/kg 54
50
Embodied Water, L/kg 390
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
43
Resilience: Unit (Modulus of Resilience), kJ/m3 60
70
Stiffness to Weight: Axial, points 6.1
6.7
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 6.8
7.9
Strength to Weight: Bending, points 9.0
10
Thermal Diffusivity, mm2/s 17
22
Thermal Shock Resistance, points 8.3
9.3

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.8
0 to 0.25
Copper (Cu), % 76.1 to 84
84 to 86
Iron (Fe), % 0 to 0.15
0 to 0.3
Lead (Pb), % 9.0 to 12
4.0 to 6.0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
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), % 7.0 to 9.0
4.0 to 6.0
Zinc (Zn), % 0 to 0.8
4.0 to 6.0
Residuals, % 0
0 to 0.7