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EN-MC32110 Magnesium vs. EN 1.4646 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.4646 stainless steel belongs to the iron alloys. There are 27 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 EN-MC32110 magnesium and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
220
Elastic (Young's, Tensile) Modulus, GPa 49
200
Elongation at Break, % 2.2
34
Fatigue Strength, MPa 80
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
77
Shear Strength, MPa 120
500
Tensile Strength: Ultimate (UTS), MPa 220
750
Tensile Strength: Yield (Proof), MPa 140
430

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 99
910
Melting Completion (Liquidus), °C 600
1390
Melting Onset (Solidus), °C 500
1340
Specific Heat Capacity, J/kg-K 950
480
Thermal Expansion, µm/m-K 26
17

Otherwise Unclassified Properties

Base Metal Price, % relative 13
13
Density, g/cm3 2.1
7.7
Embodied Carbon, kg CO2/kg material 22
2.8
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 920
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
27
Strength to Weight: Bending, points 38
24
Thermal Shock Resistance, points 12
16

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0.020 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 2.4 to 3.0
1.5 to 3.0
Iron (Fe), % 0 to 0.050
59 to 67.3
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
10.5 to 12.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0