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C85200 Brass vs. 7076 Aluminum

C85200 brass belongs to the copper alloys classification, while 7076 aluminum belongs to the aluminum alloys. There are 28 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 C85200 brass and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 28
6.2
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 270
530
Tensile Strength: Yield (Proof), MPa 95
460

Thermal Properties

Latent Heat of Fusion, J/g 180
380
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 940
630
Melting Onset (Solidus), °C 930
460
Specific Heat Capacity, J/kg-K 380
860
Thermal Conductivity, W/m-K 84
140
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
35
Electrical Conductivity: Equal Weight (Specific), % IACS 19
100

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.5
Density, g/cm3 8.4
3.0
Embodied Carbon, kg CO2/kg material 2.8
8.0
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
31
Resilience: Unit (Modulus of Resilience), kJ/m3 42
1510
Stiffness to Weight: Axial, points 7.0
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 8.9
49
Strength to Weight: Bending, points 11
48
Thermal Diffusivity, mm2/s 27
54
Thermal Shock Resistance, points 9.3
23

Alloy Composition

Aluminum (Al), % 0 to 0.0050
86.9 to 91.2
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 70 to 74
0.3 to 1.0
Iron (Fe), % 0 to 0.6
0 to 0.6
Lead (Pb), % 1.5 to 3.8
0
Magnesium (Mg), % 0
1.2 to 2.0
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.050
0 to 0.4
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0.7 to 2.0
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 20 to 27
7.0 to 8.0
Residuals, % 0
0 to 0.15