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C37100 Brass vs. 7076 Aluminum

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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