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AS41A Magnesium vs. EN 1.3961 Alloy

AS41A magnesium belongs to the magnesium alloys classification, while EN 1.3961 alloy belongs to the iron alloys. There are 24 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 AS41A magnesium and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
31
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 17
72
Shear Strength, MPa 130
300
Tensile Strength: Ultimate (UTS), MPa 230
450
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Melting Completion (Liquidus), °C 620
1430
Melting Onset (Solidus), °C 570
1390
Specific Heat Capacity, J/kg-K 1000
460
Thermal Expansion, µm/m-K 26
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 1.6
8.2
Embodied Carbon, kg CO2/kg material 23
4.8
Embodied Energy, MJ/kg 160
66
Embodied Water, L/kg 980
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
130
Resilience: Unit (Modulus of Resilience), kJ/m3 220
250
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 38
15
Strength to Weight: Bending, points 50
16
Thermal Shock Resistance, points 14
130

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 0
60.7 to 65
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0 to 0.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.030
35 to 37
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.5 to 1.5
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.12
0