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238.0 Aluminum vs. Monel 400

238.0 aluminum belongs to the aluminum alloys classification, while Monel 400 belongs to the nickel 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 238.0 aluminum and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
160
Elongation at Break, % 1.5
20 to 40
Fatigue Strength, MPa 110
230 to 290
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
62
Tensile Strength: Ultimate (UTS), MPa 210
540 to 780
Tensile Strength: Yield (Proof), MPa 170
210 to 590

Thermal Properties

Latent Heat of Fusion, J/g 430
270
Maximum Temperature: Mechanical, °C 170
1000
Melting Completion (Liquidus), °C 600
1350
Melting Onset (Solidus), °C 510
1300
Specific Heat Capacity, J/kg-K 840
430
Thermal Conductivity, W/m-K 100
23
Thermal Expansion, µm/m-K 21
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 67
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
50
Density, g/cm3 3.4
8.9
Embodied Carbon, kg CO2/kg material 7.4
7.9
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 1040
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 180
140 to 1080
Stiffness to Weight: Axial, points 12
10
Stiffness to Weight: Bending, points 42
21
Strength to Weight: Axial, points 17
17 to 25
Strength to Weight: Bending, points 23
17 to 21
Thermal Diffusivity, mm2/s 37
6.1
Thermal Shock Resistance, points 9.1
17 to 25

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Carbon (C), % 0
0 to 0.3
Copper (Cu), % 9.5 to 10.5
28 to 34
Iron (Fe), % 1.0 to 1.5
0 to 2.5
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
63 to 72
Silicon (Si), % 3.6 to 4.4
0 to 0.5
Sulfur (S), % 0
0 to 0.024
Zinc (Zn), % 1.0 to 1.5
0