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AWS ERNiCrMo-4 vs. ISO-WD32260 Magnesium

AWS ERNiCrMo-4 belongs to the nickel alloys classification, while ISO-WD32260 magnesium belongs to the magnesium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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 ISO-WD32260 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
46
Elongation at Break, % 28
4.5 to 6.0
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
18
Tensile Strength: Ultimate (UTS), MPa 790
330 to 340

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Melting Completion (Liquidus), °C 1590
600
Melting Onset (Solidus), °C 1530
520
Specific Heat Capacity, J/kg-K 410
970
Thermal Expansion, µm/m-K 12
27

Otherwise Unclassified Properties

Base Metal Price, % relative 70
13
Density, g/cm3 9.0
1.9
Embodied Carbon, kg CO2/kg material 13
23
Embodied Energy, MJ/kg 170
160
Embodied Water, L/kg 280
940

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
63
Strength to Weight: Axial, points 24
48 to 51
Strength to Weight: Bending, points 21
56 to 58
Thermal Shock Resistance, points 22
19 to 20

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
Iron (Fe), % 4.0 to 7.0
0
Magnesium (Mg), % 0
92.7 to 94.8
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 50 to 63.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.080
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3