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AZ80A Magnesium vs. AWS ERNiCrCoMo-1

AZ80A magnesium belongs to the magnesium alloys classification, while AWS ERNiCrCoMo-1 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 AZ80A magnesium and the bottom bar is AWS ERNiCrCoMo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
210
Elongation at Break, % 3.9 to 8.5
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
81
Tensile Strength: Ultimate (UTS), MPa 320 to 340
710

Thermal Properties

Latent Heat of Fusion, J/g 350
330
Melting Completion (Liquidus), °C 600
1420
Melting Onset (Solidus), °C 490
1370
Specific Heat Capacity, J/kg-K 990
450
Thermal Conductivity, W/m-K 77
13
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 59
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 1.7
8.5
Embodied Carbon, kg CO2/kg material 23
10
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 990
350

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
23
Strength to Weight: Axial, points 51 to 55
23
Strength to Weight: Bending, points 60 to 63
21
Thermal Diffusivity, mm2/s 45
3.5
Thermal Shock Resistance, points 19 to 20
19

Alloy Composition

Aluminum (Al), % 7.8 to 9.2
0.8 to 1.5
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 0 to 0.050
0 to 0.5
Iron (Fe), % 0 to 0.0050
0 to 3.0
Magnesium (Mg), % 89 to 91.9
0
Manganese (Mn), % 0.12 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.0050
42.7 to 61.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.6
Zinc (Zn), % 0.2 to 0.8
0
Residuals, % 0
0 to 0.5