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EN-MC32110 Magnesium vs. AISI 304N Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while AISI 304N 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-MC32110 magnesium and the bottom bar is AISI 304N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
190 to 360
Elastic (Young's, Tensile) Modulus, GPa 49
200
Elongation at Break, % 2.2
9.1 to 45
Fatigue Strength, MPa 80
220 to 440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
77
Shear Strength, MPa 120
420 to 700
Tensile Strength: Ultimate (UTS), MPa 220
620 to 1180
Tensile Strength: Yield (Proof), MPa 140
270 to 850

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 99
960
Melting Completion (Liquidus), °C 600
1420
Melting Onset (Solidus), °C 500
1380
Specific Heat Capacity, J/kg-K 950
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 920
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
98 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 210
180 to 1830
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
22 to 42
Strength to Weight: Bending, points 38
21 to 32
Thermal Diffusivity, mm2/s 58
4.2
Thermal Shock Resistance, points 12
14 to 26

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
66.4 to 73.9
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 2.0
Nickel (Ni), % 0 to 0.010
8.0 to 10.5
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0