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C95820 Bronze vs. C92500 Bronze

Both C95820 bronze and C92500 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 C95820 bronze and the bottom bar is C92500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
11
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 730
310
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 1080
980
Melting Onset (Solidus), °C 1020
870
Specific Heat Capacity, J/kg-K 440
370
Thermal Conductivity, W/m-K 38
63
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
12

Otherwise Unclassified Properties

Base Metal Price, % relative 29
35
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 3.5
3.7
Embodied Energy, MJ/kg 56
61
Embodied Water, L/kg 380
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
30
Resilience: Unit (Modulus of Resilience), kJ/m3 400
170
Stiffness to Weight: Axial, points 8.0
6.8
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 24
9.8
Strength to Weight: Bending, points 22
12
Thermal Diffusivity, mm2/s 11
20
Thermal Shock Resistance, points 25
12

Alloy Composition

Aluminum (Al), % 9.0 to 10
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 77.5 to 82.5
85 to 88
Iron (Fe), % 4.0 to 5.0
0 to 0.3
Lead (Pb), % 0 to 0.020
1.0 to 1.5
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.5 to 5.8
0.8 to 1.5
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.020
10 to 12
Zinc (Zn), % 0 to 0.2
0 to 0.5
Residuals, % 0
0 to 0.7