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C47940 Brass vs. 6012 Aluminum

C47940 brass belongs to the copper alloys classification, while 6012 aluminum belongs to the aluminum alloys. There are 27 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 C47940 brass and the bottom bar is 6012 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
69
Elongation at Break, % 14 to 34
9.1 to 11
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 250 to 310
130 to 190
Tensile Strength: Ultimate (UTS), MPa 380 to 520
220 to 320
Tensile Strength: Yield (Proof), MPa 160 to 390
110 to 260

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 850
640
Melting Onset (Solidus), °C 800
570
Specific Heat Capacity, J/kg-K 380
890
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 20
23

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 8.2
2.9
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 330
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
21 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
94 to 480
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
48
Strength to Weight: Axial, points 13 to 17
22 to 32
Strength to Weight: Bending, points 14 to 17
29 to 37
Thermal Diffusivity, mm2/s 36
62
Thermal Shock Resistance, points 13 to 17
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), % 63 to 66
0 to 0.1
Iron (Fe), % 0.1 to 1.0
0 to 0.5
Lead (Pb), % 1.0 to 2.0
0.4 to 2.0
Magnesium (Mg), % 0
0.6 to 1.2
Manganese (Mn), % 0
0.4 to 1.0
Nickel (Ni), % 0.1 to 0.5
0
Silicon (Si), % 0
0.6 to 1.4
Tin (Sn), % 1.2 to 2.0
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 28.1 to 34.6
0 to 0.3
Residuals, % 0
0 to 0.15