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2011 Aluminum vs. C44300 Brass

2011 aluminum belongs to the aluminum alloys classification, while C44300 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 2011 aluminum and the bottom bar is C44300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 310 to 420
350
Tensile Strength: Yield (Proof), MPa 140 to 310
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 540
900
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 140 to 170
110
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
25
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
27

Otherwise Unclassified Properties

Base Metal Price, % relative 11
26
Density, g/cm3 3.1
8.3
Embodied Carbon, kg CO2/kg material 7.9
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1150
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
65
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 44
19
Strength to Weight: Axial, points 27 to 37
12
Strength to Weight: Bending, points 32 to 40
13
Thermal Diffusivity, mm2/s 51 to 64
35
Thermal Shock Resistance, points 14 to 19
12

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0
Arsenic (As), % 0
0.020 to 0.060
Bismuth (Bi), % 0.2 to 0.6
0
Copper (Cu), % 5.0 to 6.0
70 to 73
Iron (Fe), % 0 to 0.7
0 to 0.060
Lead (Pb), % 0.2 to 0.6
0 to 0.070
Silicon (Si), % 0 to 0.4
0
Tin (Sn), % 0
0.9 to 1.2
Zinc (Zn), % 0 to 0.3
25.2 to 29.1
Residuals, % 0
0 to 0.4