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AISI 310MoLN Stainless Steel vs. EN-MC21320 Magnesium

AISI 310MoLN stainless steel belongs to the iron alloys classification, while EN-MC21320 magnesium belongs to the magnesium 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 AISI 310MoLN stainless steel and the bottom bar is EN-MC21320 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
68
Elastic (Young's, Tensile) Modulus, GPa 200
45
Elongation at Break, % 28
7.5
Fatigue Strength, MPa 210
95
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
18
Shear Strength, MPa 400
130
Tensile Strength: Ultimate (UTS), MPa 610
230
Tensile Strength: Yield (Proof), MPa 290
140

Thermal Properties

Latent Heat of Fusion, J/g 300
370
Maximum Temperature: Mechanical, °C 1100
110
Melting Completion (Liquidus), °C 1420
600
Melting Onset (Solidus), °C 1380
530
Specific Heat Capacity, J/kg-K 470
1000
Thermal Conductivity, W/m-K 14
66
Thermal Expansion, µm/m-K 16
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
17
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
91

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 7.9
1.6
Embodied Carbon, kg CO2/kg material 5.0
23
Embodied Energy, MJ/kg 70
160
Embodied Water, L/kg 200
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
15
Resilience: Unit (Modulus of Resilience), kJ/m3 200
200
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
72
Strength to Weight: Axial, points 21
38
Strength to Weight: Bending, points 20
50
Thermal Diffusivity, mm2/s 3.7
40
Thermal Shock Resistance, points 14
13

Alloy Composition

Aluminum (Al), % 0
3.5 to 5.0
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
0 to 0.010
Iron (Fe), % 45.2 to 53.8
0 to 0.0050
Magnesium (Mg), % 0
92.5 to 95.9
Manganese (Mn), % 0 to 2.0
0.1 to 0.7
Molybdenum (Mo), % 1.6 to 2.6
0
Nickel (Ni), % 20.5 to 23.5
0 to 0.0020
Nitrogen (N), % 0.090 to 0.15
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0.5 to 1.5
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.010