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CC494K Bronze vs. 7049 Aluminum

CC494K bronze belongs to the copper alloys classification, while 7049 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 CC494K bronze and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 67
140
Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 7.6
6.2 to 7.0
Poisson's Ratio 0.35
0.32
Shear Modulus, GPa 39
27
Tensile Strength: Ultimate (UTS), MPa 210
510 to 530
Tensile Strength: Yield (Proof), MPa 94
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 180
370
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 970
640
Melting Onset (Solidus), °C 890
480
Specific Heat Capacity, J/kg-K 360
860
Thermal Conductivity, W/m-K 63
130
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
36
Electrical Conductivity: Equal Weight (Specific), % IACS 16
110

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 9.1
3.1
Embodied Carbon, kg CO2/kg material 3.1
8.1
Embodied Energy, MJ/kg 50
140
Embodied Water, L/kg 360
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 43
1270 to 1440
Stiffness to Weight: Axial, points 6.4
13
Stiffness to Weight: Bending, points 17
45
Strength to Weight: Axial, points 6.5
46 to 47
Strength to Weight: Bending, points 8.8
46 to 47
Thermal Diffusivity, mm2/s 19
51
Thermal Shock Resistance, points 7.8
22 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.010
85.7 to 89.5
Antimony (Sb), % 0 to 0.5
0
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 78 to 87
1.2 to 1.9
Iron (Fe), % 0 to 0.25
0 to 0.35
Lead (Pb), % 8.0 to 10
0
Magnesium (Mg), % 0
2.0 to 2.9
Manganese (Mn), % 0 to 0.2
0 to 0.2
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.25
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 2.0
7.2 to 8.2
Residuals, % 0
0 to 0.15