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C95820 Bronze vs. CC764S Brass

Both C95820 bronze and CC764S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 65% 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 C95820 bronze and the bottom bar is CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
15
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 730
680
Tensile Strength: Yield (Proof), MPa 310
290

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 1080
850
Melting Onset (Solidus), °C 1020
810
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 38
94
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
36

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 3.5
2.9
Embodied Energy, MJ/kg 56
49
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
80
Resilience: Unit (Modulus of Resilience), kJ/m3 400
390
Stiffness to Weight: Axial, points 8.0
7.6
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 11
30
Thermal Shock Resistance, points 25
22

Alloy Composition

Aluminum (Al), % 9.0 to 10
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 77.5 to 82.5
52 to 66
Iron (Fe), % 4.0 to 5.0
0.5 to 2.5
Lead (Pb), % 0 to 0.020
0 to 0.3
Manganese (Mn), % 0 to 1.5
0.3 to 4.0
Nickel (Ni), % 4.5 to 5.8
0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.1
Tin (Sn), % 0 to 0.020
0 to 0.3
Zinc (Zn), % 0 to 0.2
20.7 to 50.2
Residuals, % 0 to 0.8
0