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6262 Aluminum vs. CC755S Brass

6262 aluminum belongs to the aluminum alloys classification, while CC755S brass belongs to the copper alloys. There are 28 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 6262 aluminum and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 4.6 to 10
9.5
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 290 to 390
390
Tensile Strength: Yield (Proof), MPa 270 to 360
250

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 650
820
Melting Onset (Solidus), °C 580
780
Specific Heat Capacity, J/kg-K 890
390
Thermal Conductivity, W/m-K 170
120
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
30

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 2.8
8.1
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
33
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
290
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 48
19
Strength to Weight: Axial, points 29 to 39
14
Strength to Weight: Bending, points 35 to 42
15
Thermal Diffusivity, mm2/s 69
38
Thermal Shock Resistance, points 13 to 18
13

Alloy Composition

Aluminum (Al), % 94.7 to 97.8
0.4 to 0.7
Bismuth (Bi), % 0.4 to 0.7
0
Chromium (Cr), % 0.040 to 0.14
0
Copper (Cu), % 0.15 to 0.4
59.5 to 61
Iron (Fe), % 0 to 0.7
0.050 to 0.2
Lead (Pb), % 0.4 to 0.7
1.2 to 1.7
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0 to 0.050
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0.4 to 0.8
0 to 0.050
Tin (Sn), % 0
0 to 0.3
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
35.8 to 38.9
Residuals, % 0 to 0.15
0