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AS41A Magnesium vs. R05252 Alloy

AS41A magnesium belongs to the magnesium alloys classification, while R05252 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (12, 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 R05252 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
23
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
73
Tensile Strength: Ultimate (UTS), MPa 230
310
Tensile Strength: Yield (Proof), MPa 140
220

Thermal Properties

Latent Heat of Fusion, J/g 370
140
Specific Heat Capacity, J/kg-K 1000
140
Thermal Expansion, µm/m-K 26
6.7

Otherwise Unclassified Properties

Density, g/cm3 1.6
17
Embodied Water, L/kg 980
600

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
63
Resilience: Unit (Modulus of Resilience), kJ/m3 220
120
Stiffness to Weight: Axial, points 15
6.5
Stiffness to Weight: Bending, points 72
12
Strength to Weight: Axial, points 38
5.2
Strength to Weight: Bending, points 50
6.1
Thermal Shock Resistance, points 14
17

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 0 to 0.060
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0
0 to 0.010
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.030
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 0.5 to 1.5
0 to 0.0050
Tantalum (Ta), % 0
88.8 to 91
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
9.0 to 11
Zinc (Zn), % 0 to 0.12
0