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C37100 Brass vs. 3003 Aluminum

C37100 brass belongs to the copper alloys classification, while 3003 aluminum belongs to the aluminum 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 C37100 brass and the bottom bar is 3003 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 8.0 to 40
1.1 to 28
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 260 to 300
68 to 130
Tensile Strength: Ultimate (UTS), MPa 370 to 520
110 to 240
Tensile Strength: Yield (Proof), MPa 150 to 390
40 to 210

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 900
650
Melting Onset (Solidus), °C 890
640
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 120
180
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
44
Electrical Conductivity: Equal Weight (Specific), % IACS 30
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 8.0
2.8
Embodied Carbon, kg CO2/kg material 2.7
8.1
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
0.95 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
11 to 300
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 13 to 18
11 to 24
Strength to Weight: Bending, points 14 to 18
18 to 30
Thermal Diffusivity, mm2/s 39
71
Thermal Shock Resistance, points 12 to 17
4.7 to 10

Alloy Composition

Aluminum (Al), % 0
96.8 to 99
Copper (Cu), % 58 to 62
0.050 to 0.2
Iron (Fe), % 0 to 0.15
0 to 0.7
Lead (Pb), % 0.6 to 1.2
0
Manganese (Mn), % 0
1.0 to 1.5
Silicon (Si), % 0
0 to 0.6
Zinc (Zn), % 36.3 to 41.4
0 to 0.1
Residuals, % 0
0 to 0.15