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2095 Aluminum vs. C69430 Brass

2095 aluminum belongs to the aluminum alloys classification, while C69430 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 8.5
17
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 410
350
Tensile Strength: Ultimate (UTS), MPa 700
570
Tensile Strength: Yield (Proof), MPa 610
280

Thermal Properties

Latent Heat of Fusion, J/g 390
260
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 660
920
Melting Onset (Solidus), °C 540
820
Specific Heat Capacity, J/kg-K 910
410
Thermal Conductivity, W/m-K 130
26
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 3.0
8.3
Embodied Carbon, kg CO2/kg material 8.6
2.7
Embodied Energy, MJ/kg 160
44
Embodied Water, L/kg 1470
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
80
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
340
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 65
19
Strength to Weight: Bending, points 59
18
Thermal Diffusivity, mm2/s 49
7.7
Thermal Shock Resistance, points 31
20

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0
Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 3.9 to 4.6
80 to 83
Iron (Fe), % 0 to 0.15
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
0
Manganese (Mn), % 0 to 0.25
0
Silicon (Si), % 0 to 0.12
3.5 to 4.5
Silver (Ag), % 0.25 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
11.4 to 16.5
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0
0 to 0.5