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2011 Aluminum vs. C42200 Brass

2011 aluminum belongs to the aluminum alloys classification, while C42200 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 2011 aluminum and the bottom bar is C42200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 8.5 to 18
2.0 to 46
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Shear Strength, MPa 190 to 250
210 to 350
Tensile Strength: Ultimate (UTS), MPa 310 to 420
300 to 610
Tensile Strength: Yield (Proof), MPa 140 to 310
100 to 570

Thermal Properties

Latent Heat of Fusion, J/g 390
200
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
1040
Melting Onset (Solidus), °C 540
1020
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 140 to 170
130
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
31
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
32

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 3.1
8.6
Embodied Carbon, kg CO2/kg material 7.9
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
49 to 1460
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 44
19
Strength to Weight: Axial, points 27 to 37
9.5 to 19
Strength to Weight: Bending, points 32 to 40
11 to 18
Thermal Diffusivity, mm2/s 51 to 64
39
Thermal Shock Resistance, points 14 to 19
10 to 21

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0
Bismuth (Bi), % 0.2 to 0.6
0
Copper (Cu), % 5.0 to 6.0
86 to 89
Iron (Fe), % 0 to 0.7
0 to 0.050
Lead (Pb), % 0.2 to 0.6
0 to 0.050
Phosphorus (P), % 0
0 to 0.35
Silicon (Si), % 0 to 0.4
0
Tin (Sn), % 0
0.8 to 1.4
Zinc (Zn), % 0 to 0.3
8.7 to 13.2
Residuals, % 0
0 to 0.5