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7075 Aluminum vs. C46200 Brass

7075 aluminum belongs to the aluminum alloys classification, while C46200 brass belongs to the copper alloys. There are 27 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 7075 aluminum and the bottom bar is C46200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 1.8 to 12
17 to 34
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 150 to 340
240 to 290
Tensile Strength: Ultimate (UTS), MPa 240 to 590
370 to 480
Tensile Strength: Yield (Proof), MPa 120 to 510
120 to 290

Thermal Properties

Latent Heat of Fusion, J/g 380
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 640
840
Melting Onset (Solidus), °C 480
800
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
20

Otherwise Unclassified Properties

Base Metal Price, % relative 10
24
Density, g/cm3 3.0
8.1
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1120
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8 to 44
69 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 1870
72 to 400
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 22 to 54
13 to 16
Strength to Weight: Bending, points 28 to 52
14 to 17
Thermal Diffusivity, mm2/s 50
35
Thermal Shock Resistance, points 10 to 25
12 to 16

Alloy Composition

Aluminum (Al), % 86.9 to 91.4
0
Chromium (Cr), % 0.18 to 0.28
0
Copper (Cu), % 1.2 to 2.0
62 to 65
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 2.1 to 2.9
0
Manganese (Mn), % 0 to 0.3
0
Silicon (Si), % 0 to 0.4
0
Tin (Sn), % 0
0.5 to 1.0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 5.1 to 6.1
33.3 to 37.5
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.4