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EN AC-45100 Aluminum vs. AWS ERNi-1

EN AC-45100 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-45100 aluminum and the bottom bar is AWS ERNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
180
Elongation at Break, % 1.0 to 2.8
22
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
69
Tensile Strength: Ultimate (UTS), MPa 300 to 360
470

Thermal Properties

Latent Heat of Fusion, J/g 470
300
Melting Completion (Liquidus), °C 630
1360
Melting Onset (Solidus), °C 550
1310
Specific Heat Capacity, J/kg-K 890
450
Thermal Conductivity, W/m-K 140
73
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
19
Electrical Conductivity: Equal Weight (Specific), % IACS 95
19

Otherwise Unclassified Properties

Base Metal Price, % relative 10
60
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 7.9
11
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
230

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 49
22
Strength to Weight: Axial, points 30 to 35
15
Strength to Weight: Bending, points 35 to 39
15
Thermal Diffusivity, mm2/s 54
19
Thermal Shock Resistance, points 14 to 16
17

Alloy Composition

Aluminum (Al), % 88 to 92.8
0 to 1.5
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 2.6 to 3.6
0 to 0.25
Iron (Fe), % 0 to 0.6
0 to 1.0
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.15 to 0.45
0
Manganese (Mn), % 0 to 0.55
0 to 1.0
Nickel (Ni), % 0 to 0.1
93 to 98
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 4.5 to 6.0
0 to 0.75
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
2.0 to 3.5
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.5