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771.0 Aluminum vs. C95800 Bronze

771.0 aluminum belongs to the aluminum alloys classification, while C95800 bronze belongs to the copper 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 771.0 aluminum and the bottom bar is C95800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 1.7 to 6.5
22
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 250 to 370
660
Tensile Strength: Yield (Proof), MPa 210 to 350
270

Thermal Properties

Latent Heat of Fusion, J/g 380
230
Maximum Temperature: Mechanical, °C 180
230
Melting Completion (Liquidus), °C 630
1060
Melting Onset (Solidus), °C 620
1040
Specific Heat Capacity, J/kg-K 870
440
Thermal Conductivity, W/m-K 140 to 150
36
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 82
7.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 3.0
8.3
Embodied Carbon, kg CO2/kg material 8.0
3.4
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 1130
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
110
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
310
Stiffness to Weight: Axial, points 13
7.9
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 23 to 35
22
Strength to Weight: Bending, points 29 to 39
20
Thermal Diffusivity, mm2/s 54 to 58
9.9
Thermal Shock Resistance, points 11 to 16
23

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
8.5 to 9.5
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
79 to 83.2
Iron (Fe), % 0 to 0.15
3.5 to 4.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.8 to 1.0
0
Manganese (Mn), % 0 to 0.1
0.8 to 1.5
Nickel (Ni), % 0
4.0 to 5.0
Silicon (Si), % 0 to 0.15
0 to 0.1
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.5 to 7.5
0
Residuals, % 0
0 to 0.5