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AISI 205 Stainless Steel vs. EN-MC65210 Magnesium

AISI 205 stainless steel belongs to the iron alloys classification, while EN-MC65210 magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 205 stainless steel and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
80
Elastic (Young's, Tensile) Modulus, GPa 200
44
Elongation at Break, % 11 to 51
2.8
Fatigue Strength, MPa 410 to 640
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
17
Shear Strength, MPa 560 to 850
150
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
270
Tensile Strength: Yield (Proof), MPa 450 to 1100
200

Thermal Properties

Latent Heat of Fusion, J/g 280
340
Maximum Temperature: Mechanical, °C 880
170
Melting Completion (Liquidus), °C 1380
610
Melting Onset (Solidus), °C 1340
540
Specific Heat Capacity, J/kg-K 480
970
Thermal Expansion, µm/m-K 18
26

Otherwise Unclassified Properties

Density, g/cm3 7.6
2.0
Embodied Carbon, kg CO2/kg material 2.6
27
Embodied Energy, MJ/kg 37
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
450
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 26
59
Strength to Weight: Axial, points 29 to 52
38
Strength to Weight: Bending, points 25 to 37
47
Thermal Shock Resistance, points 16 to 29
17

Alloy Composition

Carbon (C), % 0.12 to 0.25
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 62.6 to 68.1
0 to 0.010
Magnesium (Mg), % 0
92.6 to 95.6
Manganese (Mn), % 14 to 15.5
0 to 0.15
Nickel (Ni), % 1.0 to 1.7
0 to 0.0050
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
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