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2030 Aluminum vs. C44500 Brass

2030 aluminum belongs to the aluminum alloys classification, while C44500 brass belongs to the copper alloys. There are 26 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 2030 aluminum and the bottom bar is C44500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 370 to 420
350
Tensile Strength: Yield (Proof), MPa 240 to 270
120

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 190
140
Melting Completion (Liquidus), °C 640
940
Melting Onset (Solidus), °C 510
900
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
25
Electrical Conductivity: Equal Weight (Specific), % IACS 99
27

Otherwise Unclassified Properties

Base Metal Price, % relative 10
26
Density, g/cm3 3.1
8.3
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1140
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
65
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 45
19
Strength to Weight: Axial, points 33 to 38
12
Strength to Weight: Bending, points 37 to 40
13
Thermal Diffusivity, mm2/s 50
35
Thermal Shock Resistance, points 16 to 19
12

Alloy Composition

Aluminum (Al), % 88.9 to 95.2
0
Bismuth (Bi), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.5
70 to 73
Iron (Fe), % 0 to 0.7
0 to 0.060
Lead (Pb), % 0.8 to 1.5
0 to 0.070
Magnesium (Mg), % 0.5 to 1.3
0
Manganese (Mn), % 0.2 to 1.0
0
Phosphorus (P), % 0
0.020 to 0.1
Silicon (Si), % 0 to 0.8
0
Tin (Sn), % 0
0.9 to 1.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
25.2 to 29.1
Residuals, % 0
0 to 0.4