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ZE41A Magnesium vs. Nickel 690

ZE41A magnesium belongs to the magnesium alloys classification, while nickel 690 belongs to the nickel alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 ZE41A magnesium and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
90
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.3
3.4 to 34
Fatigue Strength, MPa 98
180 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
79
Shear Strength, MPa 150
420 to 570
Tensile Strength: Ultimate (UTS), MPa 210
640 to 990
Tensile Strength: Yield (Proof), MPa 140
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 150
1010
Melting Completion (Liquidus), °C 640
1380
Melting Onset (Solidus), °C 540
1340
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
14
Thermal Expansion, µm/m-K 27
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 130
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
50
Density, g/cm3 1.9
8.3
Embodied Carbon, kg CO2/kg material 24
8.2
Embodied Energy, MJ/kg 170
120
Embodied Water, L/kg 940
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 220
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
24
Strength to Weight: Axial, points 31
21 to 33
Strength to Weight: Bending, points 41
20 to 27
Thermal Diffusivity, mm2/s 59
3.5
Thermal Shock Resistance, points 12
16 to 25

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 0 to 0.1
0 to 0.5
Iron (Fe), % 0
7.0 to 11
Magnesium (Mg), % 91.7 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.010
58 to 66
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0