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C95820 Bronze vs. CC765S Brass

Both C95820 bronze and CC765S 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 CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
21
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 730
540
Tensile Strength: Yield (Proof), MPa 310
220

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 230
140
Melting Completion (Liquidus), °C 1080
860
Melting Onset (Solidus), °C 1020
820
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 38
91
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
34

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 3.5
3.0
Embodied Energy, MJ/kg 56
51
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
90
Resilience: Unit (Modulus of Resilience), kJ/m3 400
220
Stiffness to Weight: Axial, points 8.0
7.6
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 11
28
Thermal Shock Resistance, points 25
17

Alloy Composition

Aluminum (Al), % 9.0 to 10
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Copper (Cu), % 77.5 to 82.5
51 to 65
Iron (Fe), % 4.0 to 5.0
0.5 to 2.0
Lead (Pb), % 0 to 0.020
0 to 0.5
Manganese (Mn), % 0 to 1.5
0.3 to 3.0
Nickel (Ni), % 4.5 to 5.8
0 to 6.0
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 1.0
Zinc (Zn), % 0 to 0.2
19.8 to 47.7
Residuals, % 0 to 0.8
0