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C90200 Bronze vs. 7050 Aluminum

C90200 bronze belongs to the copper alloys classification, while 7050 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 C90200 bronze and the bottom bar is 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 30
2.2 to 12
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 260
490 to 570
Tensile Strength: Yield (Proof), MPa 110
390 to 500

Thermal Properties

Latent Heat of Fusion, J/g 200
370
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 1050
630
Melting Onset (Solidus), °C 880
490
Specific Heat Capacity, J/kg-K 370
860
Thermal Conductivity, W/m-K 62
140
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
35
Electrical Conductivity: Equal Weight (Specific), % IACS 13
100

Otherwise Unclassified Properties

Base Metal Price, % relative 34
10
Density, g/cm3 8.8
3.1
Embodied Carbon, kg CO2/kg material 3.3
8.2
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 370
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
10 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 55
1110 to 1760
Stiffness to Weight: Axial, points 7.0
13
Stiffness to Weight: Bending, points 18
45
Strength to Weight: Axial, points 8.3
45 to 51
Strength to Weight: Bending, points 10
45 to 50
Thermal Diffusivity, mm2/s 19
54
Thermal Shock Resistance, points 9.5
21 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.0050
87.3 to 92.1
Antimony (Sb), % 0 to 0.2
0
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 91 to 94
2.0 to 2.6
Iron (Fe), % 0 to 0.2
0 to 0.15
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0
1.9 to 2.6
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.12
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 6.0 to 8.0
0
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0 to 0.5
5.7 to 6.7
Zirconium (Zr), % 0
0.080 to 0.15
Residuals, % 0
0 to 0.15