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WE43B Magnesium vs. EN 1.0214 Steel

WE43B magnesium belongs to the magnesium alloys classification, while EN 1.0214 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 1.0214 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.2
12 to 31
Fatigue Strength, MPa 110
160 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 140
250 to 290
Tensile Strength: Ultimate (UTS), MPa 250
330 to 460
Tensile Strength: Yield (Proof), MPa 200
210 to 360

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 640
1470
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 960
470
Thermal Conductivity, W/m-K 51
53
Thermal Expansion, µm/m-K 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 53
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 34
1.8
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 28
1.4
Embodied Energy, MJ/kg 250
18
Embodied Water, L/kg 910
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
34 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 430
120 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 61
24
Strength to Weight: Axial, points 36
12 to 16
Strength to Weight: Bending, points 46
14 to 17
Thermal Diffusivity, mm2/s 28
14
Thermal Shock Resistance, points 15
11 to 14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0
0.080 to 0.12
Copper (Cu), % 0 to 0.020
0
Iron (Fe), % 0 to 0.010
99.17 to 99.6
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0.3 to 0.5
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.025
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0