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EN-MC65120 Magnesium vs. EN 1.4869 Casting Alloy

EN-MC65120 magnesium belongs to the magnesium alloys classification, while EN 1.4869 casting alloy belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 EN-MC65120 magnesium and the bottom bar is EN 1.4869 casting alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
210
Elongation at Break, % 3.1
5.7
Fatigue Strength, MPa 80
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
80
Tensile Strength: Ultimate (UTS), MPa 160
540
Tensile Strength: Yield (Proof), MPa 110
310

Thermal Properties

Latent Heat of Fusion, J/g 330
330
Maximum Temperature: Mechanical, °C 180
1200
Melting Completion (Liquidus), °C 590
1450
Melting Onset (Solidus), °C 520
1390
Specific Heat Capacity, J/kg-K 970
460
Thermal Conductivity, W/m-K 100
10
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
70
Density, g/cm3 1.9
8.5
Embodied Carbon, kg CO2/kg material 25
7.7
Embodied Energy, MJ/kg 190
110
Embodied Water, L/kg 930
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
26
Resilience: Unit (Modulus of Resilience), kJ/m3 140
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
23
Strength to Weight: Axial, points 23
18
Strength to Weight: Bending, points 34
17
Thermal Diffusivity, mm2/s 56
2.6
Thermal Shock Resistance, points 9.8
14

Alloy Composition


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Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0
24 to 26
Cobalt (Co), % 0
14 to 16
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
11.4 to 23.6
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Nickel (Ni), % 0 to 0.0050
33 to 37
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
4.0 to 6.0
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0