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7049A Aluminum vs. EN 2.4669 Nickel

7049A aluminum belongs to the aluminum alloys classification, while EN 2.4669 nickel 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 7049A aluminum and the bottom bar is EN 2.4669 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 5.0 to 5.7
16
Fatigue Strength, MPa 180
390
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 340 to 350
680
Tensile Strength: Ultimate (UTS), MPa 580 to 590
1110
Tensile Strength: Yield (Proof), MPa 500 to 530
720

Thermal Properties

Latent Heat of Fusion, J/g 370
310
Maximum Temperature: Mechanical, °C 200
960
Melting Completion (Liquidus), °C 640
1380
Melting Onset (Solidus), °C 430
1330
Specific Heat Capacity, J/kg-K 850
460
Thermal Conductivity, W/m-K 130
12
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
60
Density, g/cm3 3.1
8.4
Embodied Carbon, kg CO2/kg material 8.2
10
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
160
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
1380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
23
Strength to Weight: Axial, points 52 to 53
37
Strength to Weight: Bending, points 50 to 51
28
Thermal Diffusivity, mm2/s 50
3.1
Thermal Shock Resistance, points 25
33

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
0.4 to 1.0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.050 to 0.25
14 to 17
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 1.2 to 1.9
0 to 0.5
Iron (Fe), % 0 to 0.5
5.0 to 9.0
Magnesium (Mg), % 2.1 to 3.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 0
65.9 to 77.7
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
2.3 to 2.8
Zinc (Zn), % 7.2 to 8.4
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0