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C90200 Bronze vs. 7049A Aluminum

C90200 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 (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 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 30
5.0 to 5.7
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 260
580 to 590
Tensile Strength: Yield (Proof), MPa 110
500 to 530

Thermal Properties

Latent Heat of Fusion, J/g 200
370
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 1050
640
Melting Onset (Solidus), °C 880
430
Specific Heat Capacity, J/kg-K 370
850
Thermal Conductivity, W/m-K 62
130
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
40
Electrical Conductivity: Equal Weight (Specific), % IACS 13
120

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
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
28 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 55
1800 to 1990
Stiffness to Weight: Axial, points 7.0
13
Stiffness to Weight: Bending, points 18
44
Strength to Weight: Axial, points 8.3
52 to 53
Strength to Weight: Bending, points 10
50 to 51
Thermal Diffusivity, mm2/s 19
50
Thermal Shock Resistance, points 9.5
25

Alloy Composition

Aluminum (Al), % 0 to 0.0050
84.6 to 89.5
Antimony (Sb), % 0 to 0.2
0
Chromium (Cr), % 0
0.050 to 0.25
Copper (Cu), % 91 to 94
1.2 to 1.9
Iron (Fe), % 0 to 0.2
0 to 0.5
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0
2.1 to 3.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.4
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 6.0 to 8.0
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.5
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15