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7076 Aluminum vs. C37100 Brass

7076 aluminum belongs to the aluminum alloys classification, while C37100 brass belongs to the copper alloys. There are 29 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 7076 aluminum and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 6.2
8.0 to 40
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 27
40
Shear Strength, MPa 310
260 to 300
Tensile Strength: Ultimate (UTS), MPa 530
370 to 520
Tensile Strength: Yield (Proof), MPa 460
150 to 390

Thermal Properties

Latent Heat of Fusion, J/g 380
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 630
900
Melting Onset (Solidus), °C 460
890
Specific Heat Capacity, J/kg-K 860
380
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
27
Electrical Conductivity: Equal Weight (Specific), % IACS 100
30

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 3.0
8.0
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1110
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
38 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1510
110 to 750
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 45
20
Strength to Weight: Axial, points 49
13 to 18
Strength to Weight: Bending, points 48
14 to 18
Thermal Diffusivity, mm2/s 54
39
Thermal Shock Resistance, points 23
12 to 17

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
0
Copper (Cu), % 0.3 to 1.0
58 to 62
Iron (Fe), % 0 to 0.6
0 to 0.15
Lead (Pb), % 0
0.6 to 1.2
Magnesium (Mg), % 1.2 to 2.0
0
Manganese (Mn), % 0.3 to 0.8
0
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 7.0 to 8.0
36.3 to 41.4
Residuals, % 0
0 to 0.4