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EN-MC32110 Magnesium vs. S30615 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while S30615 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
190
Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
39
Fatigue Strength, MPa 80
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
75
Shear Strength, MPa 120
470
Tensile Strength: Ultimate (UTS), MPa 220
690
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Maximum Temperature: Mechanical, °C 99
960
Melting Completion (Liquidus), °C 600
1370
Melting Onset (Solidus), °C 500
1320
Specific Heat Capacity, J/kg-K 950
500
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 26
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 2.1
7.6
Embodied Carbon, kg CO2/kg material 22
3.7
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 920
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 38
23
Thermal Diffusivity, mm2/s 58
3.7
Thermal Shock Resistance, points 12
16

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0.8 to 1.5
Carbon (C), % 0
0.16 to 0.24
Chromium (Cr), % 0
17 to 19.5
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
56.7 to 65.3
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
13.5 to 16
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
3.2 to 4.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0