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EN 1.4869 Casting Alloy vs. ZK61A Magnesium

EN 1.4869 casting alloy belongs to the nickel alloys classification, while ZK61A magnesium belongs to the magnesium 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 1.4869 casting alloy and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
46
Elongation at Break, % 5.7
5.8 to 7.1
Fatigue Strength, MPa 130
120 to 140
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
18
Tensile Strength: Ultimate (UTS), MPa 540
290 to 310
Tensile Strength: Yield (Proof), MPa 310
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 330
330
Maximum Temperature: Mechanical, °C 1200
120
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1390
530
Specific Heat Capacity, J/kg-K 460
960
Thermal Conductivity, W/m-K 10
120
Thermal Expansion, µm/m-K 13
27

Otherwise Unclassified Properties

Base Metal Price, % relative 70
13
Density, g/cm3 8.5
1.9
Embodied Carbon, kg CO2/kg material 7.7
23
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 300
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 230
370 to 420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
62
Strength to Weight: Axial, points 18
42 to 45
Strength to Weight: Bending, points 17
50 to 53
Thermal Diffusivity, mm2/s 2.6
65
Thermal Shock Resistance, points 14
17 to 18

Alloy Composition

Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 24 to 26
0
Cobalt (Co), % 14 to 16
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 11.4 to 23.6
0
Magnesium (Mg), % 0
92.1 to 93.9
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 33 to 37
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 4.0 to 6.0
0
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3