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2095 Aluminum vs. C47940 Brass

2095 aluminum belongs to the aluminum alloys classification, while C47940 brass belongs to the copper alloys. There are 27 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 C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 8.5
14 to 34
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 410
250 to 310
Tensile Strength: Ultimate (UTS), MPa 700
380 to 520
Tensile Strength: Yield (Proof), MPa 610
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Maximum Temperature: Mechanical, °C 210
130
Melting Completion (Liquidus), °C 660
850
Melting Onset (Solidus), °C 540
800
Specific Heat Capacity, J/kg-K 910
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
20

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.6
2.8
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 1470
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
120 to 740
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 65
13 to 17
Strength to Weight: Bending, points 59
14 to 17
Thermal Diffusivity, mm2/s 49
36
Thermal Shock Resistance, points 31
13 to 17

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0
Copper (Cu), % 3.9 to 4.6
63 to 66
Iron (Fe), % 0 to 0.15
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0
0.1 to 0.5
Silicon (Si), % 0 to 0.12
0
Silver (Ag), % 0.25 to 0.6
0
Tin (Sn), % 0
1.2 to 2.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
28.1 to 34.6
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0
0 to 0.4