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Type 4 Magnetic Alloy vs. ZC63A Magnesium

Type 4 magnetic alloy belongs to the nickel alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 4 magnetic alloy and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
48
Elongation at Break, % 2.0 to 40
3.3
Fatigue Strength, MPa 220 to 400
94
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 73
19
Shear Strength, MPa 420 to 630
130
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
220
Tensile Strength: Yield (Proof), MPa 270 to 1040
130

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 900
98
Melting Completion (Liquidus), °C 1420
550
Melting Onset (Solidus), °C 1370
470
Specific Heat Capacity, J/kg-K 440
950
Thermal Expansion, µm/m-K 11
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
32
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
140

Otherwise Unclassified Properties

Base Metal Price, % relative 60
13
Density, g/cm3 8.8
2.1
Embodied Carbon, kg CO2/kg material 10
22
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 210
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 200
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 2840
190
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
58
Strength to Weight: Axial, points 19 to 35
29
Strength to Weight: Bending, points 18 to 27
38
Thermal Shock Resistance, points 21 to 37
12

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
2.4 to 3.0
Iron (Fe), % 9.5 to 17.5
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0 to 0.8
0.25 to 0.75
Molybdenum (Mo), % 3.5 to 6.0
0
Nickel (Ni), % 79 to 82
0 to 0.010
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3