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C95800 Bronze vs. 7049 Aluminum

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 22
6.2 to 7.0
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
27
Tensile Strength: Ultimate (UTS), MPa 660
510 to 530
Tensile Strength: Yield (Proof), MPa 270
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 230
370
Maximum Temperature: Mechanical, °C 230
180
Melting Completion (Liquidus), °C 1060
640
Melting Onset (Solidus), °C 1040
480
Specific Heat Capacity, J/kg-K 440
860
Thermal Conductivity, W/m-K 36
130
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
36
Electrical Conductivity: Equal Weight (Specific), % IACS 7.6
110

Otherwise Unclassified Properties

Base Metal Price, % relative 29
10
Density, g/cm3 8.3
3.1
Embodied Carbon, kg CO2/kg material 3.4
8.1
Embodied Energy, MJ/kg 55
140
Embodied Water, L/kg 370
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 310
1270 to 1440
Stiffness to Weight: Axial, points 7.9
13
Stiffness to Weight: Bending, points 20
45
Strength to Weight: Axial, points 22
46 to 47
Strength to Weight: Bending, points 20
46 to 47
Thermal Diffusivity, mm2/s 9.9
51
Thermal Shock Resistance, points 23
22 to 23

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
85.7 to 89.5
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 79 to 83.2
1.2 to 1.9
Iron (Fe), % 3.5 to 4.5
0 to 0.35
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0
2.0 to 2.9
Manganese (Mn), % 0.8 to 1.5
0 to 0.2
Nickel (Ni), % 4.0 to 5.0
0
Silicon (Si), % 0 to 0.1
0 to 0.25
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
7.2 to 8.2
Residuals, % 0
0 to 0.15