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EN-MC95310 Magnesium vs. SAE-AISI T2 Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while SAE-AISI T2 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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-MC95310 magnesium and the bottom bar is SAE-AISI T2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
79
Tensile Strength: Ultimate (UTS), MPa 280
780 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Melting Completion (Liquidus), °C 650
1820
Melting Onset (Solidus), °C 540
1760
Specific Heat Capacity, J/kg-K 960
410
Thermal Conductivity, W/m-K 51
19
Thermal Expansion, µm/m-K 25
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
46
Density, g/cm3 1.9
9.3
Embodied Carbon, kg CO2/kg material 29
11
Embodied Energy, MJ/kg 260
170
Embodied Water, L/kg 900
98

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 61
21
Strength to Weight: Axial, points 40
23 to 64
Strength to Weight: Bending, points 49
20 to 40
Thermal Diffusivity, mm2/s 28
4.9
Thermal Shock Resistance, points 18
23 to 65

Alloy Composition


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Carbon (C), % 0
0.8 to 0.9
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0 to 0.030
0 to 0.25
Iron (Fe), % 0 to 0.010
70.8 to 75.8
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0.2 to 0.4
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.0050
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Unspecified Rare Earths, % 1.5 to 4.0
0
Vanadium (V), % 0
1.8 to 2.4
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0