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A356.0 Aluminum vs. C84500 Brass

A356.0 aluminum belongs to the aluminum alloys classification, while C84500 brass belongs to the copper alloys. There are 28 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 A356.0 aluminum and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 3.0 to 6.0
28
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 160 to 270
240
Tensile Strength: Yield (Proof), MPa 83 to 200
97

Thermal Properties

Latent Heat of Fusion, J/g 500
180
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 610
980
Melting Onset (Solidus), °C 570
840
Specific Heat Capacity, J/kg-K 900
360
Thermal Conductivity, W/m-K 150
72
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
16
Electrical Conductivity: Equal Weight (Specific), % IACS 140
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.6
8.7
Embodied Carbon, kg CO2/kg material 8.0
2.9
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1110
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 15
54
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 300
45
Stiffness to Weight: Axial, points 15
6.6
Stiffness to Weight: Bending, points 53
18
Strength to Weight: Axial, points 17 to 29
7.7
Strength to Weight: Bending, points 25 to 36
9.8
Thermal Diffusivity, mm2/s 64
23
Thermal Shock Resistance, points 7.6 to 13
8.6

Alloy Composition

Aluminum (Al), % 91.1 to 93.3
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 0 to 0.2
77 to 79
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 0
6.0 to 7.5
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 6.5 to 7.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 4.0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
10 to 14
Residuals, % 0
0 to 0.7