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3003 Aluminum vs. C66300 Brass

3003 aluminum belongs to the aluminum alloys classification, while C66300 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C66300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 28
2.3 to 22
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 68 to 130
290 to 470
Tensile Strength: Ultimate (UTS), MPa 110 to 240
460 to 810
Tensile Strength: Yield (Proof), MPa 40 to 210
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 650
1050
Melting Onset (Solidus), °C 640
1000
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 180
110
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
26

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
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
17 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
710 to 2850
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 11 to 24
15 to 26
Strength to Weight: Bending, points 18 to 30
15 to 22
Thermal Diffusivity, mm2/s 71
32
Thermal Shock Resistance, points 4.7 to 10
16 to 28

Alloy Composition

Aluminum (Al), % 96.8 to 99
0
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0.050 to 0.2
84.5 to 87.5
Iron (Fe), % 0 to 0.7
1.4 to 2.4
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 1.0 to 1.5
0
Phosphorus (P), % 0
0 to 0.35
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0
1.5 to 3.0
Zinc (Zn), % 0 to 0.1
6.0 to 12.8
Residuals, % 0
0 to 0.5