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Type 2 Magnetic Alloy vs. ZK61A Magnesium

Type 2 magnetic alloy belongs to the iron alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 Type 2 magnetic alloy and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
46
Elongation at Break, % 2.0 to 38
5.8 to 7.1
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
18
Tensile Strength: Ultimate (UTS), MPa 510 to 910
290 to 310
Tensile Strength: Yield (Proof), MPa 260 to 870
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1370
530
Specific Heat Capacity, J/kg-K 460
960
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.9
29
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
130

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 8.4
1.9
Embodied Carbon, kg CO2/kg material 5.9
23
Embodied Energy, MJ/kg 81
160
Embodied Water, L/kg 140
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 160
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 2010
370 to 420
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
62
Strength to Weight: Axial, points 17 to 30
42 to 45
Strength to Weight: Bending, points 17 to 25
50 to 53
Thermal Shock Resistance, points 16 to 29
17 to 18

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.3
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 48.2 to 53
0
Magnesium (Mg), % 0
92.1 to 93.9
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 47 to 49
0 to 0.010
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3