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C87200 Bronze vs. 7076 Aluminum

C87200 bronze 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 C87200 bronze and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
160
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 30
6.2
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
27
Tensile Strength: Ultimate (UTS), MPa 380
530
Tensile Strength: Yield (Proof), MPa 170
460

Thermal Properties

Latent Heat of Fusion, J/g 260
380
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 970
630
Melting Onset (Solidus), °C 860
460
Specific Heat Capacity, J/kg-K 410
860
Thermal Conductivity, W/m-K 28
140
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
35
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.5
Density, g/cm3 8.6
3.0
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 310
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
31
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1510
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 12
49
Strength to Weight: Bending, points 14
48
Thermal Diffusivity, mm2/s 8.0
54
Thermal Shock Resistance, points 14
23

Alloy Composition

Aluminum (Al), % 0 to 1.5
86.9 to 91.2
Copper (Cu), % 89 to 99
0.3 to 1.0
Iron (Fe), % 0 to 2.5
0 to 0.6
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
1.2 to 2.0
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Phosphorus (P), % 0 to 0.5
0
Silicon (Si), % 1.0 to 5.0
0 to 0.4
Tin (Sn), % 0 to 1.0
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 5.0
7.0 to 8.0
Residuals, % 0
0 to 0.15