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AISI 304L Stainless Steel vs. EN-MC65210 Magnesium

AISI 304L stainless steel belongs to the iron alloys classification, while EN-MC65210 magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 AISI 304L stainless steel and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 350
80
Elastic (Young's, Tensile) Modulus, GPa 200
44
Elongation at Break, % 6.7 to 46
2.8
Fatigue Strength, MPa 170 to 430
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
17
Shear Strength, MPa 370 to 680
150
Tensile Strength: Ultimate (UTS), MPa 540 to 1160
270
Tensile Strength: Yield (Proof), MPa 190 to 870
200

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Mechanical, °C 540
170
Melting Completion (Liquidus), °C 1450
610
Melting Onset (Solidus), °C 1400
540
Specific Heat Capacity, J/kg-K 480
970
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
110

Otherwise Unclassified Properties

Density, g/cm3 7.8
2.0
Embodied Carbon, kg CO2/kg material 3.1
27
Embodied Energy, MJ/kg 44
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 240
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 1900
450
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
59
Strength to Weight: Axial, points 19 to 41
38
Strength to Weight: Bending, points 19 to 31
47
Thermal Diffusivity, mm2/s 4.2
58
Thermal Shock Resistance, points 12 to 25
17

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 65 to 74
0 to 0.010
Magnesium (Mg), % 0
92.6 to 95.6
Manganese (Mn), % 0 to 2.0
0 to 0.15
Nickel (Ni), % 8.0 to 12
0 to 0.0050
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.010
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
2.0 to 3.0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010