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AWS ENiCrMo-10 vs. EV31A Magnesium

AWS ENiCrMo-10 belongs to the nickel alloys classification, while EV31A magnesium belongs to the magnesium alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, 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 AWS ENiCrMo-10 and the bottom bar is EV31A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
44
Elongation at Break, % 28
3.5
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 84
17
Tensile Strength: Ultimate (UTS), MPa 710
260

Thermal Properties

Melting Onset (Solidus), °C 1490
590
Specific Heat Capacity, J/kg-K 420
1000
Thermal Conductivity, W/m-K 10
86
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
18
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
90

Otherwise Unclassified Properties

Density, g/cm3 8.9
1.8

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
65
Strength to Weight: Axial, points 22
40
Strength to Weight: Bending, points 20
50
Thermal Diffusivity, mm2/s 2.7
47
Thermal Shock Resistance, points 19
16