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AWS ERNiCrMo-4 vs. EN-MC65120 Magnesium

AWS ERNiCrMo-4 belongs to the nickel alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 ERNiCrMo-4 and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
45
Elongation at Break, % 28
3.1
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
17
Tensile Strength: Ultimate (UTS), MPa 790
160

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Melting Completion (Liquidus), °C 1590
590
Melting Onset (Solidus), °C 1530
520
Specific Heat Capacity, J/kg-K 410
970
Thermal Expansion, µm/m-K 12
26

Otherwise Unclassified Properties

Base Metal Price, % relative 70
25
Density, g/cm3 9.0
1.9
Embodied Carbon, kg CO2/kg material 13
25
Embodied Energy, MJ/kg 170
190
Embodied Water, L/kg 280
930

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
62
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 21
34
Thermal Shock Resistance, points 22
9.8

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 14.5 to 16.5
0
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0 to 0.030
Iron (Fe), % 4.0 to 7.0
0 to 0.010
Magnesium (Mg), % 0
91.8 to 95.1
Manganese (Mn), % 0 to 1.0
0 to 0.15
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 50 to 63.5
0 to 0.0050
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.080
0 to 0.010
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 3.0 to 4.5
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Vanadium (V), % 0 to 0.35
0
Zinc (Zn), % 0
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010