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EN-MC65210 Magnesium vs. SAE-AISI T5 Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while SAE-AISI T5 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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 SAE-AISI T5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
80
Tensile Strength: Ultimate (UTS), MPa 270
860 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Melting Completion (Liquidus), °C 610
1810
Melting Onset (Solidus), °C 540
1750
Specific Heat Capacity, J/kg-K 970
410
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 26
11

Otherwise Unclassified Properties

Density, g/cm3 2.0
9.4
Embodied Carbon, kg CO2/kg material 27
11
Embodied Energy, MJ/kg 220
170

Common Calculations

Stiffness to Weight: Axial, points 12
12
Stiffness to Weight: Bending, points 59
21
Strength to Weight: Axial, points 38
25 to 63
Strength to Weight: Bending, points 47
21 to 39
Thermal Diffusivity, mm2/s 58
5.5
Thermal Shock Resistance, points 17
26 to 66

Alloy Composition


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Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 5.0
Cobalt (Co), % 0
7.0 to 9.5
Copper (Cu), % 0 to 0.030
0 to 0.25
Iron (Fe), % 0 to 0.010
60.6 to 68.3
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0.2 to 0.4
Molybdenum (Mo), % 0
0.5 to 1.3
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
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Unspecified Rare Earths, % 2.0 to 3.0
0
Vanadium (V), % 0
1.8 to 2.4
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0