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AWS E308L vs. ZE41A Magnesium

AWS E308L belongs to the iron alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, 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 E308L and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
45
Elongation at Break, % 40
3.3
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
18
Tensile Strength: Ultimate (UTS), MPa 580
210

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1380
540
Specific Heat Capacity, J/kg-K 480
970
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 14
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
130

Otherwise Unclassified Properties

Base Metal Price, % relative 16
18
Density, g/cm3 7.8
1.9
Embodied Carbon, kg CO2/kg material 3.2
24
Embodied Energy, MJ/kg 46
170
Embodied Water, L/kg 150
940

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
63
Strength to Weight: Axial, points 21
31
Strength to Weight: Bending, points 20
41
Thermal Diffusivity, mm2/s 4.1
59
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 0.75
0 to 0.1
Iron (Fe), % 62.9 to 72.5
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0.5 to 2.5
0 to 0.15
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 9.0 to 11
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3