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3003 Aluminum vs. C43000 Brass

3003 aluminum belongs to the aluminum alloys classification, while C43000 brass belongs to the copper alloys. There are 29 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 C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 28
3.0 to 55
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 68 to 130
230 to 410
Tensile Strength: Ultimate (UTS), MPa 110 to 240
320 to 710
Tensile Strength: Yield (Proof), MPa 40 to 210
130 to 550

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
1030
Melting Onset (Solidus), °C 640
1000
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 180
120
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
28

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.8
8.6
Embodied Carbon, kg CO2/kg material 8.1
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
20 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
82 to 1350
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 11 to 24
10 to 23
Strength to Weight: Bending, points 18 to 30
12 to 20
Thermal Diffusivity, mm2/s 71
36
Thermal Shock Resistance, points 4.7 to 10
11 to 25

Alloy Composition

Aluminum (Al), % 96.8 to 99
0
Copper (Cu), % 0.050 to 0.2
84 to 87
Iron (Fe), % 0 to 0.7
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 1.0 to 1.5
0
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0
1.7 to 2.7
Zinc (Zn), % 0 to 0.1
9.7 to 14.3
Residuals, % 0
0 to 0.5