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EN-MC95310 Magnesium vs. AISI 202 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while AISI 202 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 AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 2.2
14 to 45
Fatigue Strength, MPa 110
290 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 160
490 to 590
Tensile Strength: Ultimate (UTS), MPa 280
700 to 980
Tensile Strength: Yield (Proof), MPa 190
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 650
1400
Melting Onset (Solidus), °C 540
1360
Specific Heat Capacity, J/kg-K 960
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 25
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 50
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 34
13
Density, g/cm3 1.9
7.7
Embodied Carbon, kg CO2/kg material 29
2.8
Embodied Energy, MJ/kg 260
40
Embodied Water, L/kg 900
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 420
250 to 840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 40
25 to 35
Strength to Weight: Bending, points 49
23 to 29
Thermal Diffusivity, mm2/s 28
4.0
Thermal Shock Resistance, points 18
15 to 21

Alloy Composition


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Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
63.5 to 71.5
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
7.5 to 10
Nickel (Ni), % 0 to 0.0050
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.030
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