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AWS ER90S-D2 vs. 4004 Aluminum

AWS ER90S-D2 belongs to the iron alloys classification, while 4004 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 ER90S-D2 and the bottom bar is 4004 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 19
2.4
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 710
110
Tensile Strength: Yield (Proof), MPa 600
60

Thermal Properties

Latent Heat of Fusion, J/g 260
540
Melting Completion (Liquidus), °C 1450
600
Melting Onset (Solidus), °C 1410
560
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 47
130
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
33
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
120

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.6
8.0
Embodied Energy, MJ/kg 21
150
Embodied Water, L/kg 50
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 980
25
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
54
Strength to Weight: Axial, points 25
12
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 13
58
Thermal Shock Resistance, points 21
5.1

Alloy Composition

Aluminum (Al), % 0
86 to 90
Carbon (C), % 0.070 to 0.12
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 95.2 to 97.4
0 to 0.8
Magnesium (Mg), % 0
1.0 to 2.0
Manganese (Mn), % 1.6 to 2.1
0 to 0.1
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.5 to 0.8
9.0 to 10.5
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15