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2095 Aluminum vs. C87900 Brass

2095 aluminum belongs to the aluminum alloys classification, while C87900 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 C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 8.5
25
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 700
480
Tensile Strength: Yield (Proof), MPa 610
240

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 210
130
Melting Completion (Liquidus), °C 660
930
Melting Onset (Solidus), °C 540
900
Specific Heat Capacity, J/kg-K 910
390
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
15
Electrical Conductivity: Equal Weight (Specific), % IACS 110
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 3.0
8.1
Embodied Carbon, kg CO2/kg material 8.6
2.7
Embodied Energy, MJ/kg 160
46
Embodied Water, L/kg 1470
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
100
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
270
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 65
17
Strength to Weight: Bending, points 59
17
Thermal Diffusivity, mm2/s 49
37
Thermal Shock Resistance, points 31
16

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 3.9 to 4.6
63 to 69.2
Iron (Fe), % 0 to 0.15
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
0
Manganese (Mn), % 0 to 0.25
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.12
0.8 to 1.2
Silver (Ag), % 0.25 to 0.6
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
30 to 36
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0 to 0.15
0