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AS41A Magnesium vs. 60Cr-40Ni Alloy

AS41A magnesium belongs to the magnesium alloys classification, while 60Cr-40Ni alloy belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (11, 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 60Cr-40Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
220
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 17
87
Tensile Strength: Ultimate (UTS), MPa 230
870
Tensile Strength: Yield (Proof), MPa 140
660

Thermal Properties

Latent Heat of Fusion, J/g 370
370
Specific Heat Capacity, J/kg-K 1000
490
Thermal Expansion, µm/m-K 26
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
49
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 23
7.4
Embodied Energy, MJ/kg 160
110
Embodied Water, L/kg 980
380

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 220
1000
Stiffness to Weight: Axial, points 15
16
Stiffness to Weight: Bending, points 72
26
Strength to Weight: Axial, points 38
31
Strength to Weight: Bending, points 50
26
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0 to 0.25
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
58 to 62
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 0
0 to 1.0
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0 to 0.3
Nickel (Ni), % 0 to 0.030
34.5 to 42
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.5 to 1.5
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.5
Zinc (Zn), % 0 to 0.12
0