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EN-MC32110 Magnesium vs. AISI 317LMN Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while AISI 317LMN 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 317LMN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
190
Elastic (Young's, Tensile) Modulus, GPa 49
200
Elongation at Break, % 2.2
45
Fatigue Strength, MPa 80
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
79
Shear Strength, MPa 120
430
Tensile Strength: Ultimate (UTS), MPa 220
620
Tensile Strength: Yield (Proof), MPa 140
270

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 99
1020
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 500
1410
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
24
Density, g/cm3 2.1
8.0
Embodied Carbon, kg CO2/kg material 22
4.8
Embodied Energy, MJ/kg 150
65
Embodied Water, L/kg 920
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
230
Resilience: Unit (Modulus of Resilience), kJ/m3 210
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 38
20
Thermal Diffusivity, mm2/s 58
3.8
Thermal Shock Resistance, points 12
14

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
54.4 to 65.4
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.010
13.5 to 17.5
Nitrogen (N), % 0
0.1 to 0.2
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