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6063 Aluminum vs. C85900 Brass

6063 aluminum belongs to the aluminum alloys classification, while C85900 brass belongs to the copper alloys. There are 29 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 6063 aluminum and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 95
85
Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 7.3 to 21
30
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 110 to 300
460
Tensile Strength: Yield (Proof), MPa 49 to 270
190

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 650
830
Melting Onset (Solidus), °C 620
790
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 190 to 220
89
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49 to 58
25
Electrical Conductivity: Equal Weight (Specific), % IACS 160 to 190
28

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.3
2.9
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 27
110
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 540
170
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 11 to 31
16
Strength to Weight: Bending, points 18 to 37
17
Thermal Diffusivity, mm2/s 79 to 89
29
Thermal Shock Resistance, points 4.8 to 13
16

Alloy Composition

Aluminum (Al), % 97.5 to 99.4
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
58 to 62
Iron (Fe), % 0 to 0.35
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 0.45 to 0.9
0
Manganese (Mn), % 0 to 0.1
0 to 0.010
Nickel (Ni), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.2 to 0.6
0 to 0.25
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
0 to 1.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
31 to 41
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.7