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EN-MC32110 Magnesium vs. AISI 304L Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while AISI 304L stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
160 to 350
Elastic (Young's, Tensile) Modulus, GPa 49
200
Elongation at Break, % 2.2
6.7 to 46
Fatigue Strength, MPa 80
170 to 430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
77
Shear Strength, MPa 120
370 to 680
Tensile Strength: Ultimate (UTS), MPa 220
540 to 1160
Tensile Strength: Yield (Proof), MPa 140
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 99
540
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 500
1400
Specific Heat Capacity, J/kg-K 950
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 26
17

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
16
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
3.1
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 920
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
71 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 210
92 to 1900
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
19 to 41
Strength to Weight: Bending, points 38
19 to 31
Thermal Diffusivity, mm2/s 58
4.2
Thermal Shock Resistance, points 12
12 to 25

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
65 to 74
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 12
Nitrogen (N), % 0
0 to 0.1
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