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AWS ERNiCrMo-4 vs. EN AC-21100 Aluminum

AWS ERNiCrMo-4 belongs to the nickel alloys classification, while EN AC-21100 aluminum belongs to the aluminum alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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 AWS ERNiCrMo-4 and the bottom bar is EN AC-21100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
71
Elongation at Break, % 28
6.2 to 7.3
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 84
27
Tensile Strength: Ultimate (UTS), MPa 790
340 to 350

Thermal Properties

Latent Heat of Fusion, J/g 310
390
Melting Completion (Liquidus), °C 1590
670
Melting Onset (Solidus), °C 1530
550
Specific Heat Capacity, J/kg-K 410
880
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Base Metal Price, % relative 70
11
Density, g/cm3 9.0
3.0
Embodied Carbon, kg CO2/kg material 13
8.0
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 280
1150

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
46
Strength to Weight: Axial, points 24
31 to 33
Strength to Weight: Bending, points 21
36 to 37
Thermal Shock Resistance, points 22
15

Alloy Composition

Aluminum (Al), % 0
93.4 to 95.7
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 14.5 to 16.5
0
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
4.2 to 5.2
Iron (Fe), % 4.0 to 7.0
0 to 0.19
Manganese (Mn), % 0 to 1.0
0 to 0.55
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 50 to 63.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.080
0 to 0.18
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.15 to 0.3
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1