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EN AC-21100 Aluminum vs. EN 2.4851 Nickel

EN AC-21100 aluminum belongs to the aluminum alloys classification, while EN 2.4851 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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-21100 aluminum and the bottom bar is EN 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
190
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 6.2 to 7.3
34
Fatigue Strength, MPa 79 to 87
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 340 to 350
650
Tensile Strength: Yield (Proof), MPa 210 to 240
230

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Maximum Temperature: Mechanical, °C 170
1200
Melting Completion (Liquidus), °C 670
1360
Melting Onset (Solidus), °C 550
1310
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 130
11
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
49
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.0
8.1
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
170
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
23
Strength to Weight: Axial, points 31 to 33
22
Strength to Weight: Bending, points 36 to 37
20
Thermal Diffusivity, mm2/s 48
2.9
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
1.0 to 1.7
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0
0.030 to 0.1
Chromium (Cr), % 0
21 to 25
Copper (Cu), % 4.2 to 5.2
0 to 0.5
Iron (Fe), % 0 to 0.19
7.7 to 18
Manganese (Mn), % 0 to 0.55
0 to 1.0
Nickel (Ni), % 0
58 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.18
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0.15 to 0.3
0 to 0.5
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0