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AS41A Magnesium vs. Nickel 625

AS41A magnesium belongs to the magnesium alloys classification, while nickel 625 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
33 to 34
Fatigue Strength, MPa 100
240 to 320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
79
Shear Strength, MPa 130
530 to 600
Tensile Strength: Ultimate (UTS), MPa 230
790 to 910
Tensile Strength: Yield (Proof), MPa 140
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Maximum Temperature: Mechanical, °C 110
980
Melting Completion (Liquidus), °C 620
1350
Melting Onset (Solidus), °C 570
1290
Specific Heat Capacity, J/kg-K 1000
440
Thermal Conductivity, W/m-K 68
11
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 92
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
80
Density, g/cm3 1.6
8.6
Embodied Carbon, kg CO2/kg material 23
14
Embodied Energy, MJ/kg 160
190
Embodied Water, L/kg 980
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 220
260 to 490
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 38
26 to 29
Strength to Weight: Bending, points 50
22 to 24
Thermal Diffusivity, mm2/s 41
2.9
Thermal Shock Resistance, points 14
22 to 25

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0 to 0.4
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 0
0 to 5.0
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.030
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0.5 to 1.5
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.4
Zinc (Zn), % 0 to 0.12
0