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AM60A Magnesium vs. AWS ERNiCu-7

AM60A magnesium belongs to the magnesium alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 AM60A magnesium and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
160
Elongation at Break, % 8.8
34
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
61
Tensile Strength: Ultimate (UTS), MPa 230
550

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Melting Completion (Liquidus), °C 620
1280
Melting Onset (Solidus), °C 550
1240
Specific Heat Capacity, J/kg-K 1000
440
Thermal Conductivity, W/m-K 62
20
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
3.2
Electrical Conductivity: Equal Weight (Specific), % IACS 69
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
50
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 23
8.5
Embodied Energy, MJ/kg 160
120
Embodied Water, L/kg 990
250

Common Calculations

Stiffness to Weight: Axial, points 15
10
Stiffness to Weight: Bending, points 71
21
Strength to Weight: Axial, points 37
18
Strength to Weight: Bending, points 49
17
Thermal Diffusivity, mm2/s 37
5.3
Thermal Shock Resistance, points 14
19

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0 to 1.3
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 0 to 0.35
18.3 to 36.5
Iron (Fe), % 0
0 to 2.5
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0 to 4.0
Nickel (Ni), % 0 to 0.030
62 to 69
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
1.5 to 3.0
Zinc (Zn), % 0 to 0.22
0
Residuals, % 0
0 to 0.5