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EN 2.4851 Nickel vs. 7049A Aluminum

EN 2.4851 nickel belongs to the nickel alloys classification, while 7049A aluminum belongs to the aluminum 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 2.4851 nickel and the bottom bar is 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 34
5.0 to 5.7
Fatigue Strength, MPa 170
180
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
27
Shear Strength, MPa 430
340 to 350
Tensile Strength: Ultimate (UTS), MPa 650
580 to 590
Tensile Strength: Yield (Proof), MPa 230
500 to 530

Thermal Properties

Latent Heat of Fusion, J/g 320
370
Maximum Temperature: Mechanical, °C 1200
200
Melting Completion (Liquidus), °C 1360
640
Melting Onset (Solidus), °C 1310
430
Specific Heat Capacity, J/kg-K 470
850
Thermal Conductivity, W/m-K 11
130
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
40
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
120

Otherwise Unclassified Properties

Base Metal Price, % relative 49
10
Density, g/cm3 8.2
3.1
Embodied Carbon, kg CO2/kg material 8.1
8.2
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 280
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
28 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1800 to 1990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
44
Strength to Weight: Axial, points 22
52 to 53
Strength to Weight: Bending, points 20
50 to 51
Thermal Diffusivity, mm2/s 2.9
50
Thermal Shock Resistance, points 17
25

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
84.6 to 89.5
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.030 to 0.1
0
Chromium (Cr), % 21 to 25
0.050 to 0.25
Copper (Cu), % 0 to 0.5
1.2 to 1.9
Iron (Fe), % 7.7 to 18
0 to 0.5
Magnesium (Mg), % 0
2.1 to 3.1
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 58 to 63
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.5
0 to 0.25
Zinc (Zn), % 0
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15