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EN-MC32110 Magnesium vs. AISI 302B Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while AISI 302B 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 302B 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
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
76
Shear Strength, MPa 120
410
Tensile Strength: Ultimate (UTS), MPa 220
580
Tensile Strength: Yield (Proof), MPa 140
230

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 99
930
Melting Completion (Liquidus), °C 600
1400
Melting Onset (Solidus), °C 500
1360
Specific Heat Capacity, J/kg-K 950
490
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 2.1
7.7
Embodied Carbon, kg CO2/kg material 22
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 920
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
210
Resilience: Unit (Modulus of Resilience), kJ/m3 210
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 38
20
Thermal Diffusivity, mm2/s 58
4.4
Thermal Shock Resistance, points 12
13

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
65.7 to 73
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
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
2.0 to 3.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0