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C86300 Bronze vs. 7049 Aluminum

C86300 bronze belongs to the copper alloys classification, while 7049 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 C86300 bronze and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
140
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 14
6.2 to 7.0
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 42
27
Tensile Strength: Ultimate (UTS), MPa 850
510 to 530
Tensile Strength: Yield (Proof), MPa 480
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 200
370
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 920
640
Melting Onset (Solidus), °C 890
480
Specific Heat Capacity, J/kg-K 420
860
Thermal Conductivity, W/m-K 35
130
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
36
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
110

Otherwise Unclassified Properties

Base Metal Price, % relative 23
10
Density, g/cm3 7.8
3.1
Embodied Carbon, kg CO2/kg material 3.0
8.1
Embodied Energy, MJ/kg 51
140
Embodied Water, L/kg 360
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
1270 to 1440
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 20
45
Strength to Weight: Axial, points 30
46 to 47
Strength to Weight: Bending, points 25
46 to 47
Thermal Diffusivity, mm2/s 11
51
Thermal Shock Resistance, points 28
22 to 23

Alloy Composition


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Aluminum (Al), % 5.0 to 7.5
85.7 to 89.5
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 60 to 66
1.2 to 1.9
Iron (Fe), % 2.0 to 4.0
0 to 0.35
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0
2.0 to 2.9
Manganese (Mn), % 2.5 to 5.0
0 to 0.2
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0
0 to 0.25
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 22 to 28
7.2 to 8.2
Residuals, % 0 to 1.0
0 to 0.15