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CC762S Brass vs. 7076 Aluminum

CC762S 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 (2, 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 CC762S brass and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 7.3
6.2
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 43
27
Tensile Strength: Ultimate (UTS), MPa 840
530
Tensile Strength: Yield (Proof), MPa 540
460

Thermal Properties

Latent Heat of Fusion, J/g 200
380
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 920
630
Melting Onset (Solidus), °C 870
460
Specific Heat Capacity, J/kg-K 420
860
Thermal Conductivity, W/m-K 51
140
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
35
Electrical Conductivity: Equal Weight (Specific), % IACS 32
100

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.0
3.0
Embodied Carbon, kg CO2/kg material 3.1
8.0
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 350
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
31
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
1510
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 20
45
Strength to Weight: Axial, points 29
49
Strength to Weight: Bending, points 25
48
Thermal Diffusivity, mm2/s 15
54
Thermal Shock Resistance, points 27
23

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
86.9 to 91.2
Antimony (Sb), % 0 to 0.030
0
Copper (Cu), % 57 to 67
0.3 to 1.0
Iron (Fe), % 1.5 to 4.0
0 to 0.6
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0
1.2 to 2.0
Manganese (Mn), % 2.5 to 5.0
0.3 to 0.8
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0 to 0.4
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 13.4 to 36
7.0 to 8.0
Residuals, % 0
0 to 0.15