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3105 Aluminum vs. C48600 Brass

3105 aluminum belongs to the aluminum alloys classification, while C48600 brass belongs to the copper alloys. There are 29 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 3105 aluminum and the bottom bar is C48600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 1.1 to 20
20 to 25
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
39
Shear Strength, MPa 77 to 140
180 to 230
Tensile Strength: Ultimate (UTS), MPa 120 to 240
280 to 360
Tensile Strength: Yield (Proof), MPa 46 to 220
110 to 170

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 660
900
Melting Onset (Solidus), °C 640
890
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 170
110
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
28

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.8
8.1
Embodied Carbon, kg CO2/kg material 8.2
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
55 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
61 to 140
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 12 to 24
9.5 to 12
Strength to Weight: Bending, points 20 to 31
12 to 14
Thermal Diffusivity, mm2/s 68
36
Thermal Shock Resistance, points 5.2 to 11
9.3 to 12

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Arsenic (As), % 0
0.020 to 0.25
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
59 to 62
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0
1.0 to 2.5
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0
0.3 to 1.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
33.4 to 39.7
Residuals, % 0
0 to 0.4