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AWS ERNiCrFe-11 vs. EN-MC21210 Magnesium

AWS ERNiCrFe-11 belongs to the nickel alloys classification, while EN-MC21210 magnesium belongs to the magnesium 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 AWS ERNiCrFe-11 and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
44
Elongation at Break, % 47
14
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
17
Tensile Strength: Ultimate (UTS), MPa 740
190

Thermal Properties

Latent Heat of Fusion, J/g 320
350
Melting Completion (Liquidus), °C 1360
600
Melting Onset (Solidus), °C 1310
570
Specific Heat Capacity, J/kg-K 470
1000
Thermal Conductivity, W/m-K 11
120
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
24
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
130

Otherwise Unclassified Properties

Base Metal Price, % relative 49
12
Density, g/cm3 8.2
1.6
Embodied Carbon, kg CO2/kg material 8.0
24
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 280
980

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
72
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 22
44
Thermal Diffusivity, mm2/s 2.9
76
Thermal Shock Resistance, points 20
11

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
1.6 to 2.6
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 21 to 25
0
Copper (Cu), % 0 to 1.0
0 to 0.010
Iron (Fe), % 7.2 to 20
0 to 0.0050
Magnesium (Mg), % 0
96.3 to 98.3
Manganese (Mn), % 0 to 1.0
0.1 to 0.7
Nickel (Ni), % 58 to 63
0 to 0.0020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.010