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C95820 Bronze vs. C94300 Bronze

Both C95820 bronze and C94300 bronze 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 C95820 bronze and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
87
Elongation at Break, % 15
9.7
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 44
32
Tensile Strength: Ultimate (UTS), MPa 730
180
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 230
150
Maximum Temperature: Mechanical, °C 230
110
Melting Completion (Liquidus), °C 1080
820
Melting Onset (Solidus), °C 1020
760
Specific Heat Capacity, J/kg-K 440
320
Thermal Conductivity, W/m-K 38
63
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 29
28
Density, g/cm3 8.3
9.3
Embodied Carbon, kg CO2/kg material 3.5
2.9
Embodied Energy, MJ/kg 56
47
Embodied Water, L/kg 380
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
15
Resilience: Unit (Modulus of Resilience), kJ/m3 400
77
Stiffness to Weight: Axial, points 8.0
5.2
Stiffness to Weight: Bending, points 20
16
Strength to Weight: Axial, points 24
5.2
Strength to Weight: Bending, points 22
7.4
Thermal Diffusivity, mm2/s 11
21
Thermal Shock Resistance, points 25
7.1

Alloy Composition

Aluminum (Al), % 9.0 to 10
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 77.5 to 82.5
67 to 72
Iron (Fe), % 4.0 to 5.0
0 to 0.15
Lead (Pb), % 0 to 0.020
23 to 27
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.5 to 5.8
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.020
4.5 to 6.0
Zinc (Zn), % 0 to 0.2
0 to 0.8
Residuals, % 0
0 to 1.0