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2095 Aluminum vs. CC765S Brass

2095 aluminum belongs to the aluminum alloys classification, while CC765S brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 2095 aluminum and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 8.5
21
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 700
540
Tensile Strength: Yield (Proof), MPa 610
220

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 210
140
Melting Completion (Liquidus), °C 660
860
Melting Onset (Solidus), °C 540
820
Specific Heat Capacity, J/kg-K 910
400
Thermal Conductivity, W/m-K 130
91
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
30
Electrical Conductivity: Equal Weight (Specific), % IACS 110
34

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 3.0
8.0
Embodied Carbon, kg CO2/kg material 8.6
3.0
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 1470
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
90
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
220
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 65
19
Strength to Weight: Bending, points 59
18
Thermal Diffusivity, mm2/s 49
28
Thermal Shock Resistance, points 31
17

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Copper (Cu), % 3.9 to 4.6
51 to 65
Iron (Fe), % 0 to 0.15
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
0
Manganese (Mn), % 0 to 0.25
0.3 to 3.0
Nickel (Ni), % 0
0 to 6.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.12
0 to 0.1
Silver (Ag), % 0.25 to 0.6
0
Tin (Sn), % 0
0 to 1.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
19.8 to 47.7
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0 to 0.15
0