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EN-MC65120 Magnesium vs. K94200 Alloy

EN-MC65120 magnesium belongs to the magnesium alloys classification, while K94200 alloy belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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-MC65120 magnesium and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
140
Elongation at Break, % 3.1
5.0 to 32
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
54
Shear Strength, MPa 92
330 to 410
Tensile Strength: Ultimate (UTS), MPa 160
500 to 710
Tensile Strength: Yield (Proof), MPa 110
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 520
1440
Specific Heat Capacity, J/kg-K 970
500
Thermal Conductivity, W/m-K 100
15
Thermal Expansion, µm/m-K 26
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.0

Otherwise Unclassified Properties

Density, g/cm3 1.9
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140
250 to 1460
Stiffness to Weight: Axial, points 13
9.8
Stiffness to Weight: Bending, points 62
21
Strength to Weight: Axial, points 23
17 to 24
Strength to Weight: Bending, points 34
17 to 22
Thermal Diffusivity, mm2/s 56
3.7
Thermal Shock Resistance, points 9.8
49 to 70