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2007 Aluminum vs. AWS ERNiCrMo-2

2007 aluminum belongs to the aluminum alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 2007 aluminum and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
81
Tensile Strength: Ultimate (UTS), MPa 370 to 420
750

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 510
1410
Specific Heat Capacity, J/kg-K 870
450
Thermal Conductivity, W/m-K 130
11
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
55
Density, g/cm3 3.1
8.4
Embodied Carbon, kg CO2/kg material 8.0
9.2
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1130
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
23
Strength to Weight: Axial, points 33 to 38
25
Strength to Weight: Bending, points 37 to 40
22
Thermal Diffusivity, mm2/s 48
2.9
Thermal Shock Resistance, points 16 to 19
20

Alloy Composition

Aluminum (Al), % 87.5 to 95
0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0 to 0.1
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 3.3 to 4.6
0 to 0.5
Iron (Fe), % 0 to 0.8
17 to 20
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
0
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.2
40.3 to 53.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
0.2 to 1.0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0
0 to 0.5