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1230A Aluminum vs. CC490K Brass

1230A 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 (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 1230A 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, % 4.5 to 34
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 89 to 170
230
Tensile Strength: Yield (Proof), MPa 29 to 150
110

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 640
980
Melting Onset (Solidus), °C 640
910
Specific Heat Capacity, J/kg-K 900
370
Thermal Conductivity, W/m-K 230
72
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
16
Electrical Conductivity: Equal Weight (Specific), % IACS 200
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
30
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 8.2
2.9
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1190
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.4 to 23
28
Resilience: Unit (Modulus of Resilience), kJ/m3 5.9 to 150
54
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 9.1 to 17
7.3
Strength to Weight: Bending, points 16 to 25
9.5
Thermal Diffusivity, mm2/s 93
22
Thermal Shock Resistance, points 4.0 to 7.6
8.2

Alloy Composition

Aluminum (Al), % 99.3 to 100
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 0 to 0.1
81 to 86
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.7
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Zinc (Zn), % 0 to 0.050
7.0 to 9.5