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WE43B Magnesium vs. EN 1.0107 Steel

WE43B magnesium belongs to the magnesium alloys classification, while EN 1.0107 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 WE43B magnesium and the bottom bar is EN 1.0107 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.2
29
Fatigue Strength, MPa 110
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 140
250
Tensile Strength: Ultimate (UTS), MPa 250
380
Tensile Strength: Yield (Proof), MPa 200
210

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 960
470
Thermal Conductivity, W/m-K 51
51
Thermal Expansion, µm/m-K 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 53
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.1
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 28
1.5
Embodied Energy, MJ/kg 250
19
Embodied Water, L/kg 910
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
95
Resilience: Unit (Modulus of Resilience), kJ/m3 430
110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 61
24
Strength to Weight: Axial, points 36
13
Strength to Weight: Bending, points 46
15
Thermal Diffusivity, mm2/s 28
14
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0
0 to 0.13
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.020
0 to 0.3
Iron (Fe), % 0 to 0.010
97.7 to 100
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0 to 0.7
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 0 to 0.0050
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.040
Unspecified Rare Earths, % 2.4 to 4.4
0
Vanadium (V), % 0
0 to 0.020
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0