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3003 Aluminum vs. C47940 Brass

3003 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 (5, 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 3003 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, % 1.1 to 28
14 to 34
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 68 to 130
250 to 310
Tensile Strength: Ultimate (UTS), MPa 110 to 240
380 to 520
Tensile Strength: Yield (Proof), MPa 40 to 210
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 650
850
Melting Onset (Solidus), °C 640
800
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 180
110
Thermal Expansion, µm/m-K 23
20

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.8
8.2
Embodied Carbon, kg CO2/kg material 8.1
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
120 to 740
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 11 to 24
13 to 17
Strength to Weight: Bending, points 18 to 30
14 to 17
Thermal Diffusivity, mm2/s 71
36
Thermal Shock Resistance, points 4.7 to 10
13 to 17

Alloy Composition

Aluminum (Al), % 96.8 to 99
0
Copper (Cu), % 0.050 to 0.2
63 to 66
Iron (Fe), % 0 to 0.7
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 0
0.1 to 0.5
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0
1.2 to 2.0
Zinc (Zn), % 0 to 0.1
28.1 to 34.6
Residuals, % 0
0 to 0.4