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Monel 400 vs. 7049 Aluminum

Monel 400 belongs to the nickel alloys classification, while 7049 aluminum belongs to the aluminum 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 Monel 400 and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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