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AS41B Magnesium vs. Type 1 Magnetic Alloy

AS41B magnesium belongs to the magnesium alloys classification, while Type 1 magnetic alloy belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 AS41B magnesium and the bottom bar is Type 1 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 6.0
4.0 to 38
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 18
72
Tensile Strength: Ultimate (UTS), MPa 210
500 to 830
Tensile Strength: Yield (Proof), MPa 140
220 to 790

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Melting Completion (Liquidus), °C 620
1420
Melting Onset (Solidus), °C 570
1370
Specific Heat Capacity, J/kg-K 1000
460
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 92
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 1.7
8.3
Embodied Carbon, kg CO2/kg material 23
5.6
Embodied Energy, MJ/kg 160
77
Embodied Water, L/kg 980
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
33 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 220
130 to 1690
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 35
17 to 28
Strength to Weight: Bending, points 47
17 to 24
Thermal Shock Resistance, points 13
16 to 26

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
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 0.020
0 to 0.3
Iron (Fe), % 0 to 0.0035
50.7 to 56.5
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0 to 0.8
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0 to 0.0020
43.5 to 46.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.5 to 1.5
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.12
0