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EN-MC32110 Magnesium vs. EN 1.4659 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.4659 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
260
Elastic (Young's, Tensile) Modulus, GPa 49
210
Elongation at Break, % 2.2
49
Fatigue Strength, MPa 80
460
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
81
Shear Strength, MPa 120
640
Tensile Strength: Ultimate (UTS), MPa 220
900
Tensile Strength: Yield (Proof), MPa 140
480

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 99
1100
Melting Completion (Liquidus), °C 600
1480
Melting Onset (Solidus), °C 500
1430
Specific Heat Capacity, J/kg-K 950
460
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 2.1
8.2
Embodied Carbon, kg CO2/kg material 22
6.5
Embodied Energy, MJ/kg 150
89
Embodied Water, L/kg 920
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
370
Resilience: Unit (Modulus of Resilience), kJ/m3 210
550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
31
Strength to Weight: Bending, points 38
25
Thermal Diffusivity, mm2/s 58
3.2
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 2.4 to 3.0
1.0 to 2.0
Iron (Fe), % 0 to 0.050
35.7 to 45.7
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 0 to 0.010
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0