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1100A Aluminum vs. C21000 Brass

1100A aluminum belongs to the aluminum alloys classification, while C21000 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 1100A aluminum and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 4.5 to 34
2.9 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 59 to 99
180 to 280
Tensile Strength: Ultimate (UTS), MPa 89 to 170
240 to 450
Tensile Strength: Yield (Proof), MPa 29 to 150
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 640
1070
Melting Onset (Solidus), °C 640
1050
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 230
230
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
56
Electrical Conductivity: Equal Weight (Specific), % IACS 200
57

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1190
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.4 to 23
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 5.9 to 150
21 to 830
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 9.1 to 17
7.4 to 14
Strength to Weight: Bending, points 16 to 25
9.6 to 15
Thermal Diffusivity, mm2/s 93
69
Thermal Shock Resistance, points 4.0 to 7.6
8.1 to 15

Alloy Composition

Aluminum (Al), % 99 to 100
0
Copper (Cu), % 0.050 to 0.2
94 to 96
Iron (Fe), % 0 to 1.0
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 1.0
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
3.7 to 6.0
Residuals, % 0
0 to 0.2