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7049 Aluminum vs. C28000 Muntz Metal

7049 aluminum belongs to the aluminum alloys classification, while C28000 Muntz Metal 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 7049 aluminum and the bottom bar is C28000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 6.2 to 7.0
10 to 45
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 27
40
Shear Strength, MPa 300 to 310
230 to 330
Tensile Strength: Ultimate (UTS), MPa 510 to 530
330 to 610
Tensile Strength: Yield (Proof), MPa 420 to 450
150 to 370

Thermal Properties

Latent Heat of Fusion, J/g 370
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 480
900
Specific Heat Capacity, J/kg-K 860
390
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
28
Electrical Conductivity: Equal Weight (Specific), % IACS 110
31

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 3.1
8.0
Embodied Carbon, kg CO2/kg material 8.1
2.7
Embodied Energy, MJ/kg 140
46
Embodied Water, L/kg 1110
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
27 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
110 to 670
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 45
20
Strength to Weight: Axial, points 46 to 47
11 to 21
Strength to Weight: Bending, points 46 to 47
13 to 20
Thermal Diffusivity, mm2/s 51
40
Thermal Shock Resistance, points 22 to 23
11 to 20

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
59 to 63
Iron (Fe), % 0 to 0.35
0 to 0.070
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0
Silicon (Si), % 0 to 0.25
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
36.3 to 41
Residuals, % 0
0 to 0.3