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Monel 400 vs. 7204 Aluminum

Monel 400 belongs to the nickel alloys classification, while 7204 aluminum belongs to the aluminum alloys. There are 30 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 Monel 400 and the bottom bar is 7204 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
70
Elongation at Break, % 20 to 40
11 to 13
Fatigue Strength, MPa 230 to 290
110 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 62
26
Shear Strength, MPa 370 to 490
130 to 220
Tensile Strength: Ultimate (UTS), MPa 540 to 780
220 to 380
Tensile Strength: Yield (Proof), MPa 210 to 590
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 270
380
Maximum Temperature: Mechanical, °C 1000
210
Melting Completion (Liquidus), °C 1350
640
Melting Onset (Solidus), °C 1300
520
Specific Heat Capacity, J/kg-K 430
880
Thermal Conductivity, W/m-K 23
150
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
39
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
120

Otherwise Unclassified Properties

Base Metal Price, % relative 50
9.5
Density, g/cm3 8.9
2.9
Embodied Carbon, kg CO2/kg material 7.9
8.4
Embodied Energy, MJ/kg 110
150
Embodied Water, L/kg 250
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
25 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1080
110 to 710
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
47
Strength to Weight: Axial, points 17 to 25
21 to 36
Strength to Weight: Bending, points 17 to 21
28 to 40
Thermal Diffusivity, mm2/s 6.1
58
Thermal Shock Resistance, points 17 to 25
9.4 to 16

Alloy Composition

Aluminum (Al), % 0
90.5 to 94.8
Carbon (C), % 0 to 0.3
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 28 to 34
0 to 0.2
Iron (Fe), % 0 to 2.5
0 to 0.35
Magnesium (Mg), % 0
1.0 to 2.0
Manganese (Mn), % 0 to 2.0
0.2 to 0.7
Nickel (Ni), % 63 to 72
0
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.024
0
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0
4.0 to 5.0
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants