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C69710 Brass vs. 6070 Aluminum

C69710 brass belongs to the copper alloys classification, while 6070 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C69710 brass and the bottom bar is 6070 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 25
5.6 to 8.6
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 300
220 to 240
Tensile Strength: Ultimate (UTS), MPa 470
370 to 380
Tensile Strength: Yield (Proof), MPa 230
350

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 930
650
Melting Onset (Solidus), °C 880
570
Specific Heat Capacity, J/kg-K 400
900
Thermal Conductivity, W/m-K 40
160
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
41
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
140

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.5
Density, g/cm3 8.3
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 310
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
20 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 250
880 to 900
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 16
38
Strength to Weight: Bending, points 16
42 to 43
Thermal Diffusivity, mm2/s 12
65
Thermal Shock Resistance, points 16
16 to 17

Alloy Composition

Aluminum (Al), % 0
94.6 to 98
Arsenic (As), % 0.030 to 0.060
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 75 to 80
0.15 to 0.4
Iron (Fe), % 0 to 0.2
0 to 0.5
Lead (Pb), % 0.5 to 1.5
0
Magnesium (Mg), % 0
0.5 to 1.2
Manganese (Mn), % 0 to 0.4
0.4 to 1.0
Silicon (Si), % 2.5 to 3.5
1.0 to 1.7
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 13.8 to 22
0 to 0.25
Residuals, % 0
0 to 0.15