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772.0 Aluminum vs. C26000 Brass

772.0 aluminum belongs to the aluminum alloys classification, while C26000 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 772.0 aluminum and the bottom bar is C26000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 6.3 to 8.4
2.5 to 66
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 260 to 320
320 to 680
Tensile Strength: Yield (Proof), MPa 220 to 250
110 to 570

Thermal Properties

Latent Heat of Fusion, J/g 380
180
Maximum Temperature: Mechanical, °C 180
140
Melting Completion (Liquidus), °C 630
950
Melting Onset (Solidus), °C 580
920
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
28
Electrical Conductivity: Equal Weight (Specific), % IACS 110
31

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 25
6.1 to 420
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 430
51 to 1490
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 25 to 31
11 to 23
Strength to Weight: Bending, points 31 to 36
13 to 21
Thermal Diffusivity, mm2/s 58
38
Thermal Shock Resistance, points 11 to 14
11 to 23

Alloy Composition

Aluminum (Al), % 91.2 to 93.2
0
Bismuth (Bi), % 0
0 to 0.0059
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
68.5 to 71.5
Iron (Fe), % 0 to 0.15
0 to 0.050
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.0 to 7.0
28.1 to 31.5
Residuals, % 0
0 to 0.3