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AWS E308LMo vs. 1085 Aluminum

AWS E308LMo belongs to the iron alloys classification, while 1085 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 E308LMo and the bottom bar is 1085 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 40
4.5 to 39
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
26
Tensile Strength: Ultimate (UTS), MPa 580
73 to 140

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1400
640
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 16
230
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
61
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
200

Otherwise Unclassified Properties

Base Metal Price, % relative 19
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 3.8
8.3
Embodied Energy, MJ/kg 53
160
Embodied Water, L/kg 160
1200

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 21
7.5 to 14
Strength to Weight: Bending, points 20
14 to 22
Thermal Diffusivity, mm2/s 4.2
94
Thermal Shock Resistance, points 15
3.3 to 6.1

Alloy Composition

Aluminum (Al), % 0
99.85 to 100
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 0.75
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 59.6 to 70.5
0 to 0.12
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0.5 to 2.5
0 to 0.020
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.030
Residuals, % 0
0 to 0.010