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2095 Aluminum vs. CC490K Brass

2095 aluminum belongs to the aluminum alloys classification, while CC490K 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 CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 8.5
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 700
230
Tensile Strength: Yield (Proof), MPa 610
110

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 660
980
Melting Onset (Solidus), °C 540
910
Specific Heat Capacity, J/kg-K 910
370
Thermal Conductivity, W/m-K 130
72
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
16
Electrical Conductivity: Equal Weight (Specific), % IACS 110
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 3.0
8.8
Embodied Carbon, kg CO2/kg material 8.6
2.9
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 1470
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
28
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
54
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 65
7.3
Strength to Weight: Bending, points 59
9.5
Thermal Diffusivity, mm2/s 49
22
Thermal Shock Resistance, points 31
8.2

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 3.9 to 4.6
81 to 86
Iron (Fe), % 0 to 0.15
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
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 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.12
0 to 0.010
Silver (Ag), % 0.25 to 0.6
0
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
7.0 to 9.5
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0 to 0.15
0