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4145 Aluminum vs. Nickel 333

4145 aluminum belongs to the aluminum alloys classification, while nickel 333 belongs to the nickel 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 4145 aluminum and the bottom bar is nickel 333.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
210
Elongation at Break, % 2.2
34
Fatigue Strength, MPa 48
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
81
Shear Strength, MPa 69
420
Tensile Strength: Ultimate (UTS), MPa 120
630
Tensile Strength: Yield (Proof), MPa 68
270

Thermal Properties

Latent Heat of Fusion, J/g 540
320
Maximum Temperature: Mechanical, °C 160
1010
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 520
1410
Specific Heat Capacity, J/kg-K 880
450
Thermal Conductivity, W/m-K 100
11
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 84
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
55
Density, g/cm3 2.8
8.5
Embodied Carbon, kg CO2/kg material 7.6
8.5
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 1040
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
170
Resilience: Unit (Modulus of Resilience), kJ/m3 31
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 12
21
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 42
2.9
Thermal Shock Resistance, points 5.5
16

Alloy Composition

Aluminum (Al), % 83 to 87.4
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.15
24 to 27
Cobalt (Co), % 0
2.5 to 4.0
Copper (Cu), % 3.3 to 4.7
0
Iron (Fe), % 0 to 0.8
9.3 to 24.5
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0
44 to 48
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 9.3 to 10.7
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0