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C69400 Brass vs. 6012 Aluminum

C69400 brass belongs to the copper alloys classification, while 6012 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 C69400 brass and the bottom bar is 6012 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 17
9.1 to 11
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Shear Strength, MPa 350
130 to 190
Tensile Strength: Ultimate (UTS), MPa 570
220 to 320
Tensile Strength: Yield (Proof), MPa 270
110 to 260

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
640
Melting Onset (Solidus), °C 820
570
Specific Heat Capacity, J/kg-K 410
890
Thermal Conductivity, W/m-K 26
160
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
45
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
140

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.5
Density, g/cm3 8.3
2.9
Embodied Carbon, kg CO2/kg material 2.7
8.2
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 300
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
21 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 340
94 to 480
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
48
Strength to Weight: Axial, points 19
22 to 32
Strength to Weight: Bending, points 18
29 to 37
Thermal Diffusivity, mm2/s 7.7
62
Thermal Shock Resistance, points 20
10 to 14

Alloy Composition

Aluminum (Al), % 0
92.2 to 98
Bismuth (Bi), % 0
0 to 0.7
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 80 to 83
0 to 0.1
Iron (Fe), % 0 to 0.2
0 to 0.5
Lead (Pb), % 0 to 0.3
0.4 to 2.0
Magnesium (Mg), % 0
0.6 to 1.2
Manganese (Mn), % 0
0.4 to 1.0
Silicon (Si), % 3.5 to 4.5
0.6 to 1.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 11.5 to 16.5
0 to 0.3
Residuals, % 0
0 to 0.15