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EN-MC32110 Magnesium vs. EN 1.4887 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.4887 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
170
Elastic (Young's, Tensile) Modulus, GPa 49
200
Elongation at Break, % 2.2
45
Fatigue Strength, MPa 80
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
76
Shear Strength, MPa 120
400
Tensile Strength: Ultimate (UTS), MPa 220
580
Tensile Strength: Yield (Proof), MPa 140
300

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 99
1100
Melting Completion (Liquidus), °C 600
1390
Melting Onset (Solidus), °C 500
1350
Specific Heat Capacity, J/kg-K 950
480
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 26
15

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
39
Density, g/cm3 2.1
8.0
Embodied Carbon, kg CO2/kg material 22
6.7
Embodied Energy, MJ/kg 150
96
Embodied Water, L/kg 920
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
20
Strength to Weight: Bending, points 38
19
Thermal Diffusivity, mm2/s 58
3.2
Thermal Shock Resistance, points 12
14

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
34.2 to 45
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 2.0
Nickel (Ni), % 0 to 0.010
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
1.0 to 2.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0