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EN-MC65210 Magnesium vs. ASTM Grade HE Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while ASTM grade HE steel belongs to the iron alloys. There are 28 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-MC65210 magnesium and the bottom bar is ASTM grade HE steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
190
Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 2.8
10
Fatigue Strength, MPa 110
160
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 17
79
Tensile Strength: Ultimate (UTS), MPa 270
670
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 340
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 610
1400
Melting Onset (Solidus), °C 540
1360
Specific Heat Capacity, J/kg-K 970
490
Thermal Conductivity, W/m-K 110
14
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.5

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.7
Embodied Carbon, kg CO2/kg material 27
3.5
Embodied Energy, MJ/kg 220
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
56
Resilience: Unit (Modulus of Resilience), kJ/m3 450
240
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 59
25
Strength to Weight: Axial, points 38
24
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 58
3.6
Thermal Shock Resistance, points 17
14

Alloy Composition


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Carbon (C), % 0
0.2 to 0.5
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
53.9 to 65.8
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.0050
8.0 to 11
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 2.0
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.040
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0