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AWS ER70S-A1 vs. EN AC-43400 Aluminum

AWS ER70S-A1 belongs to the iron alloys classification, while EN AC-43400 aluminum belongs to the aluminum 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 AWS ER70S-A1 and the bottom bar is EN AC-43400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 22
1.1
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 590
270
Tensile Strength: Yield (Proof), MPa 450
160

Thermal Properties

Latent Heat of Fusion, J/g 260
540
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1420
590
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 50
140
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.5
7.8
Embodied Energy, MJ/kg 20
150
Embodied Water, L/kg 48
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 540
180
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
54
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
36
Thermal Diffusivity, mm2/s 14
59
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0
86 to 90.8
Carbon (C), % 0 to 0.12
0
Copper (Cu), % 0 to 0.35
0 to 0.1
Iron (Fe), % 96.1 to 99.3
0 to 1.0
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0 to 1.3
0 to 0.55
Molybdenum (Mo), % 0.4 to 0.65
0
Nickel (Ni), % 0 to 0.2
0 to 0.15
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.3 to 0.7
9.0 to 11
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15