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WE43B Magnesium vs. EN 1.0488 Steel

WE43B magnesium belongs to the magnesium alloys classification, while EN 1.0488 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 1.0488 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.2
27
Fatigue Strength, MPa 110
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 140
280
Tensile Strength: Ultimate (UTS), MPa 250
440
Tensile Strength: Yield (Proof), MPa 200
280

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
49
Thermal Expansion, µm/m-K 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 53
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.3
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 28
1.5
Embodied Energy, MJ/kg 250
20
Embodied Water, L/kg 910
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
100
Resilience: Unit (Modulus of Resilience), kJ/m3 430
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 61
24
Strength to Weight: Axial, points 36
15
Strength to Weight: Bending, points 46
16
Thermal Diffusivity, mm2/s 28
13
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.024
Carbon (C), % 0
0 to 0.16
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.020
0 to 0.3
Iron (Fe), % 0 to 0.010
96.6 to 99.38
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0.6 to 1.5
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 0 to 0.0050
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.0080
Titanium (Ti), % 0
0 to 0.030
Unspecified Rare Earths, % 2.4 to 4.4
0
Vanadium (V), % 0
0 to 0.050
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0