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AM60A Magnesium vs. Type 4 Magnetic Alloy

AM60A magnesium belongs to the magnesium alloys classification, while Type 4 magnetic alloy belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 AM60A magnesium and the bottom bar is Type 4 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 8.8
2.0 to 40
Fatigue Strength, MPa 70
220 to 400
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 18
73
Shear Strength, MPa 130
420 to 630
Tensile Strength: Ultimate (UTS), MPa 230
620 to 1100
Tensile Strength: Yield (Proof), MPa 130
270 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Mechanical, °C 120
900
Melting Completion (Liquidus), °C 620
1420
Melting Onset (Solidus), °C 550
1370
Specific Heat Capacity, J/kg-K 1000
440
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 69
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
60
Density, g/cm3 1.7
8.8
Embodied Carbon, kg CO2/kg material 23
10
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 990
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
22 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 190
190 to 2840
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 71
22
Strength to Weight: Axial, points 37
19 to 35
Strength to Weight: Bending, points 49
18 to 27
Thermal Shock Resistance, points 14
21 to 37

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.35
0 to 0.3
Iron (Fe), % 0
9.5 to 17.5
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0 to 0.8
Molybdenum (Mo), % 0
3.5 to 6.0
Nickel (Ni), % 0 to 0.030
79 to 82
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.22
0