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EN AC-46400 Aluminum vs. AWS ER70S-A1

EN AC-46400 aluminum belongs to the aluminum alloys classification, while AWS ER70S-A1 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, 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-46400 aluminum and the bottom bar is AWS ER70S-A1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.1 to 1.7
22
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 170 to 310
590
Tensile Strength: Yield (Proof), MPa 110 to 270
450

Thermal Properties

Latent Heat of Fusion, J/g 520
260
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 130
50
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.5
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.8
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1070
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7 to 4.9
120
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 500
540
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 18 to 32
21
Strength to Weight: Bending, points 26 to 38
20
Thermal Diffusivity, mm2/s 55
14
Thermal Shock Resistance, points 7.8 to 14
17

Alloy Composition

Aluminum (Al), % 85.4 to 90.5
0
Carbon (C), % 0
0 to 0.12
Copper (Cu), % 0.8 to 1.3
0 to 0.35
Iron (Fe), % 0 to 0.8
96.1 to 99.3
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.25 to 0.65
0
Manganese (Mn), % 0.15 to 0.55
0 to 1.3
Molybdenum (Mo), % 0
0.4 to 0.65
Nickel (Ni), % 0 to 0.2
0 to 0.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 8.3 to 9.7
0.3 to 0.7
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0
0 to 0.5