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EN-MC21320 Magnesium vs. AWS ENiCrCoMo-1

EN-MC21320 magnesium belongs to the magnesium alloys classification, while AWS ENiCrCoMo-1 belongs to the nickel 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 EN-MC21320 magnesium and the bottom bar is AWS ENiCrCoMo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
210
Elongation at Break, % 7.5
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
82
Tensile Strength: Ultimate (UTS), MPa 230
710

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Melting Completion (Liquidus), °C 600
1430
Melting Onset (Solidus), °C 530
1380
Specific Heat Capacity, J/kg-K 1000
440
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 1.6
8.5
Embodied Carbon, kg CO2/kg material 23
11
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 980
340

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 38
23
Strength to Weight: Bending, points 50
21
Thermal Shock Resistance, points 13
19

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
21 to 26
Cobalt (Co), % 0
9.0 to 15
Copper (Cu), % 0 to 0.010
0 to 0.5
Iron (Fe), % 0 to 0.0050
0 to 5.0
Magnesium (Mg), % 92.5 to 95.9
0
Manganese (Mn), % 0.1 to 0.7
0.3 to 2.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.0020
38.6 to 61.7
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.5 to 1.5
0 to 0.75
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0 to 0.5