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ASTM F15 Fe-Ni-Co vs. AZ92A Magnesium

ASTM F15 Fe-Ni-Co belongs to the iron alloys classification, while AZ92A magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 ASTM F15 Fe-Ni-Co and the bottom bar is AZ92A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
47
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 73
18
Tensile Strength: Ultimate (UTS), MPa 520 to 880
170 to 270

Thermal Properties

Latent Heat of Fusion, J/g 270
350
Melting Completion (Liquidus), °C 1410
590
Melting Onset (Solidus), °C 1450
440
Specific Heat Capacity, J/kg-K 460
980
Thermal Conductivity, W/m-K 17
44 to 58
Thermal Expansion, µm/m-K 6.0
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
11 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
53 to 62

Otherwise Unclassified Properties

Base Metal Price, % relative 49
12
Density, g/cm3 8.3
1.8
Embodied Carbon, kg CO2/kg material 5.2
22
Embodied Energy, MJ/kg 71
160
Embodied Water, L/kg 190
980

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
67
Strength to Weight: Axial, points 17 to 29
26 to 41
Strength to Weight: Bending, points 17 to 24
38 to 51
Thermal Diffusivity, mm2/s 4.5
25 to 33
Thermal Shock Resistance, points 32 to 55
10 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.1
8.3 to 9.7
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 0 to 0.2
0
Cobalt (Co), % 16 to 18
0
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 50.3 to 56
0
Magnesium (Mg), % 0 to 0.1
86.7 to 90
Manganese (Mn), % 0 to 0.5
0.1 to 0.35
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 28 to 30
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.3
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0
1.6 to 2.4
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0
0 to 0.3