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EN-MC65220 Magnesium vs. AISI 301LN Stainless Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while AISI 301LN stainless steel belongs to the iron alloys. There are 30 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-MC65220 magnesium and the bottom bar is AISI 301LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 2.2
23 to 51
Fatigue Strength, MPa 110
270 to 520
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 150
450 to 670
Tensile Strength: Ultimate (UTS), MPa 270
630 to 1060
Tensile Strength: Yield (Proof), MPa 200
270 to 770

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Mechanical, °C 160
890
Melting Completion (Liquidus), °C 610
1430
Melting Onset (Solidus), °C 550
1380
Specific Heat Capacity, J/kg-K 980
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 80
13
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 27
2.7
Embodied Energy, MJ/kg 210
39

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
220 to 290
Resilience: Unit (Modulus of Resilience), kJ/m3 450
180 to 1520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
25
Strength to Weight: Axial, points 40
22 to 38
Strength to Weight: Bending, points 49
21 to 30
Thermal Diffusivity, mm2/s 61
4.0
Thermal Shock Resistance, points 17
14 to 24

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0.050 to 0.1
0
Iron (Fe), % 0 to 0.010
70.7 to 77.9
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Nickel (Ni), % 0 to 0.0050
6.0 to 8.0
Nitrogen (N), % 0
0.070 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.010
0 to 1.0
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0