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AWS E308H vs. A356.0 Aluminum

AWS E308H belongs to the iron alloys classification, while A356.0 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 E308H and the bottom bar is A356.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 40
3.0 to 6.0
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Tensile Strength: Ultimate (UTS), MPa 620
160 to 270

Thermal Properties

Latent Heat of Fusion, J/g 290
500
Melting Completion (Liquidus), °C 1420
610
Melting Onset (Solidus), °C 1380
570
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 16
150
Thermal Expansion, µm/m-K 14
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
140

Otherwise Unclassified Properties

Base Metal Price, % relative 16
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 3.2
8.0
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 150
1110

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 22
17 to 29
Strength to Weight: Bending, points 21
25 to 36
Thermal Diffusivity, mm2/s 4.2
64
Thermal Shock Resistance, points 16
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
91.1 to 93.3
Carbon (C), % 0.040 to 0.080
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 0.75
0 to 0.2
Iron (Fe), % 62.9 to 72.5
0 to 0.2
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0.5 to 2.5
0 to 0.1
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
6.5 to 7.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15