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EN-MC95310 Magnesium vs. EN 1.4821 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while EN 1.4821 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-MC95310 magnesium and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
200
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 2.2
18
Fatigue Strength, MPa 110
280
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 17
79
Shear Strength, MPa 160
450
Tensile Strength: Ultimate (UTS), MPa 280
730
Tensile Strength: Yield (Proof), MPa 190
450

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1410
Melting Onset (Solidus), °C 540
1370
Specific Heat Capacity, J/kg-K 960
490
Thermal Conductivity, W/m-K 51
17
Thermal Expansion, µm/m-K 25
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 50
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
15
Density, g/cm3 1.9
7.6
Embodied Carbon, kg CO2/kg material 29
2.9
Embodied Energy, MJ/kg 260
41
Embodied Water, L/kg 900
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
110
Resilience: Unit (Modulus of Resilience), kJ/m3 420
500
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 61
26
Strength to Weight: Axial, points 40
26
Strength to Weight: Bending, points 49
23
Thermal Diffusivity, mm2/s 28
4.6
Thermal Shock Resistance, points 18
21

Alloy Composition


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Carbon (C), % 0
0.1 to 0.2
Chromium (Cr), % 0
24.5 to 26.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
64.2 to 71.1
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Nickel (Ni), % 0 to 0.0050
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0.8 to 1.5
Sulfur (S), % 0
0 to 0.015
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0