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EZ33A Magnesium vs. Nickel 690

EZ33A 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 (2, 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 EZ33A magnesium and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
90
Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 2.6
3.4 to 34
Fatigue Strength, MPa 70
180 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
79
Shear Strength, MPa 140
420 to 570
Tensile Strength: Ultimate (UTS), MPa 150
640 to 990
Tensile Strength: Yield (Proof), MPa 100
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 250
1010
Melting Completion (Liquidus), °C 640
1380
Melting Onset (Solidus), °C 570
1340
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 100
14
Thermal Expansion, µm/m-K 27
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
50
Density, g/cm3 1.9
8.3
Embodied Carbon, kg CO2/kg material 25
8.2
Embodied Energy, MJ/kg 190
120
Embodied Water, L/kg 930
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 120
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 61
24
Strength to Weight: Axial, points 22
21 to 33
Strength to Weight: Bending, points 33
20 to 27
Thermal Diffusivity, mm2/s 54
3.5
Thermal Shock Resistance, points 9.2
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), % 91.5 to 95
0
Manganese (Mn), % 0
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, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.1
0
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0 to 0.3
0