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4007 Aluminum vs. CC490K Brass

4007 aluminum belongs to the aluminum alloys classification, while CC490K 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 4007 aluminum and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 32 to 44
76
Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.1 to 23
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 130 to 160
230
Tensile Strength: Yield (Proof), MPa 50 to 120
110

Thermal Properties

Latent Heat of Fusion, J/g 410
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 650
980
Melting Onset (Solidus), °C 590
910
Specific Heat Capacity, J/kg-K 890
370
Thermal Conductivity, W/m-K 170
72
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
16
Electrical Conductivity: Equal Weight (Specific), % IACS 140
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.8
8.8
Embodied Carbon, kg CO2/kg material 8.1
2.9
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1160
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
28
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
54
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 49
18
Strength to Weight: Axial, points 12 to 15
7.3
Strength to Weight: Bending, points 20 to 23
9.5
Thermal Diffusivity, mm2/s 67
22
Thermal Shock Resistance, points 5.5 to 6.7
8.2

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Chromium (Cr), % 0.050 to 0.25
0
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
81 to 86
Iron (Fe), % 0.4 to 1.0
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Magnesium (Mg), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
0
Nickel (Ni), % 0.15 to 0.7
0 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 1.0 to 1.7
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
7.0 to 9.5
Residuals, % 0 to 0.15
0