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7049A Aluminum vs. C51900 Bronze

7049A aluminum belongs to the aluminum alloys classification, while C51900 bronze belongs to the copper alloys. There are 29 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 7049A aluminum and the bottom bar is C51900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.0 to 5.7
14 to 29
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 27
42
Shear Strength, MPa 340 to 350
320 to 370
Tensile Strength: Ultimate (UTS), MPa 580 to 590
380 to 620
Tensile Strength: Yield (Proof), MPa 500 to 530
390 to 570

Thermal Properties

Latent Heat of Fusion, J/g 370
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
1040
Melting Onset (Solidus), °C 430
930
Specific Heat Capacity, J/kg-K 850
380
Thermal Conductivity, W/m-K 130
66
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
14
Electrical Conductivity: Equal Weight (Specific), % IACS 120
14

Otherwise Unclassified Properties

Base Metal Price, % relative 10
33
Density, g/cm3 3.1
8.8
Embodied Carbon, kg CO2/kg material 8.2
3.2
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1100
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
55 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
680 to 1450
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 44
18
Strength to Weight: Axial, points 52 to 53
12 to 19
Strength to Weight: Bending, points 50 to 51
13 to 18
Thermal Diffusivity, mm2/s 50
20
Thermal Shock Resistance, points 25
14 to 22

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
0
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
91.7 to 95
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 2.1 to 3.1
0
Manganese (Mn), % 0 to 0.5
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 0 to 0.4
0
Tin (Sn), % 0
5.0 to 7.0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.2 to 8.4
0 to 0.3
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.5