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EN-MC65210 Magnesium vs. ASTM A216 Cast Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while ASTM A216 cast steel 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-MC65210 magnesium and the bottom bar is ASTM A216 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.8
25 to 27
Fatigue Strength, MPa 110
170 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
72
Tensile Strength: Ultimate (UTS), MPa 270
500 to 570
Tensile Strength: Yield (Proof), MPa 200
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 610
1450 to 1460
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
49 to 52
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.1 to 7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.2 to 8.3

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.8
Embodied Carbon, kg CO2/kg material 27
1.4
Embodied Energy, MJ/kg 220
18

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 450
140 to 250
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 59
24
Strength to Weight: Axial, points 38
18 to 20
Strength to Weight: Bending, points 47
18 to 20
Thermal Diffusivity, mm2/s 58
13 to 14
Thermal Shock Resistance, points 17
16 to 18