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ZK40A Magnesium vs. K93600 Alloy

ZK40A magnesium belongs to the magnesium alloys classification, while K93600 alloy belongs to the iron alloys. There are 21 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 ZK40A magnesium and the bottom bar is K93600 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
140
Elongation at Break, % 4.2
5.0 to 35
Shear Strength, MPa 160
320 to 380
Tensile Strength: Ultimate (UTS), MPa 280
480 to 810
Tensile Strength: Yield (Proof), MPa 260
280 to 750

Thermal Properties

Maximum Temperature: Mechanical, °C 120
440
Melting Onset (Solidus), °C 540
1430
Specific Heat Capacity, J/kg-K 970
520
Thermal Conductivity, W/m-K 110
13
Thermal Expansion, µm/m-K 26
7.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.4

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.1

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
21 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 740
280 to 2050
Stiffness to Weight: Axial, points 14
9.4
Stiffness to Weight: Bending, points 65
21
Strength to Weight: Axial, points 43
16 to 28
Strength to Weight: Bending, points 53
17 to 24
Thermal Diffusivity, mm2/s 62
3.1
Thermal Shock Resistance, points 17
34 to 57