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EN AC-45000 Aluminum vs. Nickel 684

EN AC-45000 aluminum belongs to the aluminum alloys classification, while nickel 684 belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 EN AC-45000 aluminum and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
310
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.1
11
Fatigue Strength, MPa 75
390
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 180
1190
Tensile Strength: Yield (Proof), MPa 110
800

Thermal Properties

Latent Heat of Fusion, J/g 470
320
Maximum Temperature: Mechanical, °C 180
1000
Melting Completion (Liquidus), °C 640
1370
Melting Onset (Solidus), °C 520
1320
Specific Heat Capacity, J/kg-K 870
470
Thermal Expansion, µm/m-K 22
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 3.0
8.3
Embodied Carbon, kg CO2/kg material 7.7
10
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 1070
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
120
Resilience: Unit (Modulus of Resilience), kJ/m3 80
1610
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 17
40
Strength to Weight: Bending, points 24
30
Thermal Shock Resistance, points 8.0
34

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.15
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 3.0 to 5.0
0 to 0.15
Iron (Fe), % 0 to 1.0
0 to 4.0
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 0.45
42.7 to 64
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 5.0 to 7.0
0 to 0.75
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
2.5 to 3.3
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 0.35
0