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6063 Aluminum vs. C69710 Brass

6063 aluminum belongs to the aluminum alloys classification, while C69710 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 C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 7.3 to 21
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 70 to 190
300
Tensile Strength: Ultimate (UTS), MPa 110 to 300
470
Tensile Strength: Yield (Proof), MPa 49 to 270
230

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 650
930
Melting Onset (Solidus), °C 620
880
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 190 to 220
40
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49 to 58
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 160 to 190
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1190
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 27
99
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 540
250
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 11 to 31
16
Strength to Weight: Bending, points 18 to 37
16
Thermal Diffusivity, mm2/s 79 to 89
12
Thermal Shock Resistance, points 4.8 to 13
16

Alloy Composition

Aluminum (Al), % 97.5 to 99.4
0
Arsenic (As), % 0
0.030 to 0.060
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
75 to 80
Iron (Fe), % 0 to 0.35
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Magnesium (Mg), % 0.45 to 0.9
0
Manganese (Mn), % 0 to 0.1
0 to 0.4
Silicon (Si), % 0.2 to 0.6
2.5 to 3.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
13.8 to 22
Residuals, % 0
0 to 0.5