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C94300 Bronze vs. C96800 Copper

Both C94300 bronze and C96800 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 71% of their average alloy composition in common.

For each property being compared, the top bar is C94300 bronze and the bottom bar is C96800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 9.7
3.4
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 32
46
Tensile Strength: Ultimate (UTS), MPa 180
1010
Tensile Strength: Yield (Proof), MPa 120
860

Thermal Properties

Latent Heat of Fusion, J/g 150
220
Maximum Temperature: Mechanical, °C 110
220
Melting Completion (Liquidus), °C 820
1120
Melting Onset (Solidus), °C 760
1060
Specific Heat Capacity, J/kg-K 320
390
Thermal Conductivity, W/m-K 63
52
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 28
34
Density, g/cm3 9.3
8.9
Embodied Carbon, kg CO2/kg material 2.9
3.4
Embodied Energy, MJ/kg 47
52
Embodied Water, L/kg 370
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
33
Resilience: Unit (Modulus of Resilience), kJ/m3 77
3000
Stiffness to Weight: Axial, points 5.2
7.6
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.2
32
Strength to Weight: Bending, points 7.4
25
Thermal Diffusivity, mm2/s 21
15
Thermal Shock Resistance, points 7.1
35

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.1
Antimony (Sb), % 0 to 0.8
0 to 0.020
Copper (Cu), % 67 to 72
87.1 to 90.5
Iron (Fe), % 0 to 0.15
0 to 0.5
Lead (Pb), % 23 to 27
0 to 0.0050
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0 to 1.0
9.5 to 10.5
Phosphorus (P), % 0 to 1.5
0 to 0.0050
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0 to 0.0025
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 0 to 0.8
0 to 1.0
Residuals, % 0
0 to 0.5