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710.0 Aluminum vs. AWS ENiCu-7

710.0 aluminum belongs to the aluminum alloys classification, while AWS ENiCu-7 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 710.0 aluminum and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
160
Elongation at Break, % 2.2 to 3.6
34
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
62
Tensile Strength: Ultimate (UTS), MPa 240 to 250
550

Thermal Properties

Latent Heat of Fusion, J/g 380
280
Melting Completion (Liquidus), °C 650
1270
Melting Onset (Solidus), °C 610
1230
Specific Heat Capacity, J/kg-K 870
430
Thermal Conductivity, W/m-K 140
21
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
50
Density, g/cm3 3.0
8.7
Embodied Carbon, kg CO2/kg material 8.0
8.0
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 1130
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 46
21
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 29
17
Thermal Diffusivity, mm2/s 53
5.5
Thermal Shock Resistance, points 10 to 11
18

Alloy Composition

Aluminum (Al), % 90.5 to 93.1
0 to 0.75
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0.35 to 0.65
20.6 to 38
Iron (Fe), % 0 to 0.5
0 to 2.5
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.050
0 to 4.0
Nickel (Ni), % 0
62 to 69
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.15
0 to 1.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0 to 1.0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0
0 to 0.5