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1070A Aluminum vs. CC754S Brass

1070A aluminum belongs to the aluminum alloys classification, while CC754S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 1070A aluminum and the bottom bar is CC754S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 18 to 40
90
Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 2.3 to 33
11
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 68 to 140
320
Tensile Strength: Yield (Proof), MPa 17 to 120
160

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
830
Melting Onset (Solidus), °C 640
780
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 230
95
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
27
Electrical Conductivity: Equal Weight (Specific), % IACS 200
30

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
23
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.2
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1200
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
29
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
130
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 7.0 to 14
11
Strength to Weight: Bending, points 14 to 22
13
Thermal Diffusivity, mm2/s 94
31
Thermal Shock Resistance, points 3.1 to 6.3
10

Alloy Composition

Aluminum (Al), % 99.7 to 100
0 to 0.8
Copper (Cu), % 0 to 0.030
57 to 63
Iron (Fe), % 0 to 0.25
0 to 0.7
Lead (Pb), % 0
0.5 to 2.5
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.3
Tin (Sn), % 0
0 to 1.0
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.070
30.2 to 42.5