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EN AC-51400 Aluminum vs. AWS ERNi-1

EN AC-51400 aluminum belongs to the aluminum alloys classification, while AWS ERNi-1 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 EN AC-51400 aluminum and the bottom bar is AWS ERNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
180
Elongation at Break, % 3.4
22
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 25
69
Tensile Strength: Ultimate (UTS), MPa 190
470

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Melting Completion (Liquidus), °C 640
1360
Melting Onset (Solidus), °C 600
1310
Specific Heat Capacity, J/kg-K 910
450
Thermal Conductivity, W/m-K 110
73
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
19
Electrical Conductivity: Equal Weight (Specific), % IACS 110
19

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
60
Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 9.1
11
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
230

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 51
22
Strength to Weight: Axial, points 20
15
Strength to Weight: Bending, points 28
15
Thermal Diffusivity, mm2/s 46
19
Thermal Shock Resistance, points 8.6
17

Alloy Composition

Aluminum (Al), % 90.5 to 95.5
0 to 1.5
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.55
0 to 1.0
Magnesium (Mg), % 4.5 to 6.5
0
Manganese (Mn), % 0 to 0.45
0 to 1.0
Nickel (Ni), % 0
93 to 98
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.75
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
2.0 to 3.5
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.5