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1070A Aluminum vs. Nickel 690

1070A aluminum belongs to the aluminum alloys classification, while nickel 690 belongs to the nickel alloys. 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 1070A aluminum and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 18 to 40
90
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 2.3 to 33
3.4 to 34
Fatigue Strength, MPa 17 to 51
180 to 300
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
79
Shear Strength, MPa 44 to 81
420 to 570
Tensile Strength: Ultimate (UTS), MPa 68 to 140
640 to 990
Tensile Strength: Yield (Proof), MPa 17 to 120
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Maximum Temperature: Mechanical, °C 170
1010
Melting Completion (Liquidus), °C 640
1380
Melting Onset (Solidus), °C 640
1340
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
14
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 200
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
50
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.2
8.2
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1200
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
160 to 1440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 7.0 to 14
21 to 33
Strength to Weight: Bending, points 14 to 22
20 to 27
Thermal Diffusivity, mm2/s 94
3.5
Thermal Shock Resistance, points 3.1 to 6.3
16 to 25

Alloy Composition

Aluminum (Al), % 99.7 to 100
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 0 to 0.030
0 to 0.5
Iron (Fe), % 0 to 0.25
7.0 to 11
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0 to 0.5
Nickel (Ni), % 0
58 to 66
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.070
0

Comparable Variants