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EN-MC95320 Magnesium vs. ASTM A216 Cast Steel

EN-MC95320 magnesium belongs to the magnesium alloys classification, while ASTM A216 cast steel belongs to the iron alloys. There are 29 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 EN-MC95320 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, % 2.2
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 250
500 to 570
Tensile Strength: Yield (Proof), MPa 190
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 640
1450 to 1460
Melting Onset (Solidus), °C 530
1410
Specific Heat Capacity, J/kg-K 960
470
Thermal Conductivity, W/m-K 52
49 to 52
Thermal Expansion, µm/m-K 25
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.1 to 7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 53
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
1.8
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 28
1.4
Embodied Energy, MJ/kg 250
18
Embodied Water, L/kg 910
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.1
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 420
140 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 61
24
Strength to Weight: Axial, points 36
18 to 20
Strength to Weight: Bending, points 45
18 to 20
Thermal Diffusivity, mm2/s 28
13 to 14
Thermal Shock Resistance, points 16
16 to 18