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7049 Aluminum vs. Monel 400

7049 aluminum belongs to the aluminum alloys classification, while Monel 400 belongs to the nickel alloys. There are 30 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 Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
160
Elongation at Break, % 6.2 to 7.0
20 to 40
Fatigue Strength, MPa 160 to 170
230 to 290
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
62
Shear Strength, MPa 300 to 310
370 to 490
Tensile Strength: Ultimate (UTS), MPa 510 to 530
540 to 780
Tensile Strength: Yield (Proof), MPa 420 to 450
210 to 590

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Maximum Temperature: Mechanical, °C 180
1000
Melting Completion (Liquidus), °C 640
1350
Melting Onset (Solidus), °C 480
1300
Specific Heat Capacity, J/kg-K 860
430
Thermal Conductivity, W/m-K 130
23
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
50
Density, g/cm3 3.1
8.9
Embodied Carbon, kg CO2/kg material 8.1
7.9
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 1110
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
140 to 1080
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 45
21
Strength to Weight: Axial, points 46 to 47
17 to 25
Strength to Weight: Bending, points 46 to 47
17 to 21
Thermal Diffusivity, mm2/s 51
6.1
Thermal Shock Resistance, points 22 to 23
17 to 25

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0
Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
28 to 34
Iron (Fe), % 0 to 0.35
0 to 2.5
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0 to 2.0
Nickel (Ni), % 0
63 to 72
Silicon (Si), % 0 to 0.25
0 to 0.5
Sulfur (S), % 0
0 to 0.024
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
0
Residuals, % 0 to 0.15
0