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A380.0 Aluminum vs. C47940 Brass

A380.0 aluminum belongs to the aluminum alloys classification, while C47940 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 A380.0 aluminum and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
100
Elongation at Break, % 3.3
14 to 34
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Shear Strength, MPa 190
250 to 310
Tensile Strength: Ultimate (UTS), MPa 290
380 to 520
Tensile Strength: Yield (Proof), MPa 160
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 510
170
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 590
850
Melting Onset (Solidus), °C 550
800
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 96
110
Thermal Expansion, µm/m-K 22
20

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 2.9
8.2
Embodied Carbon, kg CO2/kg material 7.5
2.8
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 1040
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 180
120 to 740
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 48
19
Strength to Weight: Axial, points 28
13 to 17
Strength to Weight: Bending, points 34
14 to 17
Thermal Diffusivity, mm2/s 38
36
Thermal Shock Resistance, points 13
13 to 17

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Copper (Cu), % 3.0 to 4.0
63 to 66
Iron (Fe), % 0 to 1.3
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0.1 to 0.5
Silicon (Si), % 7.5 to 9.5
0
Tin (Sn), % 0 to 0.35
1.2 to 2.0
Zinc (Zn), % 0 to 3.0
28.1 to 34.6
Residuals, % 0
0 to 0.4