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772.0 Aluminum vs. CC490K Brass

772.0 aluminum belongs to the aluminum alloys classification, while CC490K brass belongs to the copper alloys. There are 28 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 772.0 aluminum and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 6.3 to 8.4
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 260 to 320
230
Tensile Strength: Yield (Proof), MPa 220 to 250
110

Thermal Properties

Latent Heat of Fusion, J/g 380
190
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 630
980
Melting Onset (Solidus), °C 580
910
Specific Heat Capacity, J/kg-K 870
370
Thermal Conductivity, W/m-K 150
72
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
16
Electrical Conductivity: Equal Weight (Specific), % IACS 110
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 3.0
8.8
Embodied Carbon, kg CO2/kg material 8.0
2.9
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1140
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 25
28
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 430
54
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 25 to 31
7.3
Strength to Weight: Bending, points 31 to 36
9.5
Thermal Diffusivity, mm2/s 58
22
Thermal Shock Resistance, points 11 to 14
8.2

Alloy Composition

Aluminum (Al), % 91.2 to 93.2
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
81 to 86
Iron (Fe), % 0 to 0.15
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.15
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.0 to 7.0
7.0 to 9.5
Residuals, % 0 to 0.15
0