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C95800 Bronze vs. 7049A Aluminum

C95800 bronze belongs to the copper alloys classification, while 7049A aluminum belongs to the aluminum alloys. There are 28 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 C95800 bronze and the bottom bar is 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 22
5.0 to 5.7
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
27
Tensile Strength: Ultimate (UTS), MPa 660
580 to 590
Tensile Strength: Yield (Proof), MPa 270
500 to 530

Thermal Properties

Latent Heat of Fusion, J/g 230
370
Maximum Temperature: Mechanical, °C 230
200
Melting Completion (Liquidus), °C 1060
640
Melting Onset (Solidus), °C 1040
430
Specific Heat Capacity, J/kg-K 440
850
Thermal Conductivity, W/m-K 36
130
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 7.6
120

Otherwise Unclassified Properties

Base Metal Price, % relative 29
10
Density, g/cm3 8.3
3.1
Embodied Carbon, kg CO2/kg material 3.4
8.2
Embodied Energy, MJ/kg 55
150
Embodied Water, L/kg 370
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
28 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 310
1800 to 1990
Stiffness to Weight: Axial, points 7.9
13
Stiffness to Weight: Bending, points 20
44
Strength to Weight: Axial, points 22
52 to 53
Strength to Weight: Bending, points 20
50 to 51
Thermal Diffusivity, mm2/s 9.9
50
Thermal Shock Resistance, points 23
25

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
84.6 to 89.5
Chromium (Cr), % 0
0.050 to 0.25
Copper (Cu), % 79 to 83.2
1.2 to 1.9
Iron (Fe), % 3.5 to 4.5
0 to 0.5
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0
2.1 to 3.1
Manganese (Mn), % 0.8 to 1.5
0 to 0.5
Nickel (Ni), % 4.0 to 5.0
0
Silicon (Si), % 0 to 0.1
0 to 0.4
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15