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EN-MC95310 Magnesium vs. AWS E80C-B8

EN-MC95310 magnesium belongs to the magnesium alloys classification, while AWS E80C-B8 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 EN-MC95310 magnesium and the bottom bar is AWS E80C-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 2.2
19
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
75
Tensile Strength: Ultimate (UTS), MPa 280
620
Tensile Strength: Yield (Proof), MPa 190
540

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 960
470
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 25
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 50
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
6.5
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 29
2.1
Embodied Energy, MJ/kg 260
28
Embodied Water, L/kg 900
89

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
110
Resilience: Unit (Modulus of Resilience), kJ/m3 420
740
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 40
22
Strength to Weight: Bending, points 49
21
Thermal Diffusivity, mm2/s 28
6.9
Thermal Shock Resistance, points 18
17

Alloy Composition


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Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
8.0 to 10.5
Copper (Cu), % 0 to 0.030
0 to 0.35
Iron (Fe), % 0 to 0.010
85.5 to 90.6
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0.4 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0 to 0.0050
0 to 0.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.010
0.25 to 0.6
Sulfur (S), % 0
0 to 0.025
Unspecified Rare Earths, % 1.5 to 4.0
0
Vanadium (V), % 0
0 to 0.030
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5