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295.0 Aluminum vs. C68300 Brass

295.0 aluminum belongs to the aluminum alloys classification, while C68300 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 295.0 aluminum and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 2.0 to 7.2
15
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Shear Strength, MPa 180 to 230
260
Tensile Strength: Ultimate (UTS), MPa 230 to 280
430
Tensile Strength: Yield (Proof), MPa 100 to 220
260

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 530
890
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 23
20

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 3.0
8.0
Embodied Carbon, kg CO2/kg material 7.9
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1140
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2 to 13
56
Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 340
330
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 21 to 26
15
Strength to Weight: Bending, points 27 to 32
16
Thermal Diffusivity, mm2/s 54
38
Thermal Shock Resistance, points 9.8 to 12
14

Alloy Composition

Aluminum (Al), % 91.4 to 95.3
0
Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 4.0 to 5.0
59 to 63
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.35
0
Silicon (Si), % 0.7 to 1.5
0.3 to 1.0
Tin (Sn), % 0
0.050 to 0.2
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
34.2 to 40.4
Residuals, % 0
0 to 0.5