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ZE41A Magnesium vs. S66286 Stainless Steel

ZE41A magnesium belongs to the magnesium alloys classification, while S66286 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 ZE41A magnesium and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 3.3
17 to 40
Fatigue Strength, MPa 98
240 to 410
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
75
Shear Strength, MPa 150
420 to 630
Tensile Strength: Ultimate (UTS), MPa 210
620 to 1020
Tensile Strength: Yield (Proof), MPa 140
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 150
920
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 540
1370
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 18
26
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 24
6.0
Embodied Energy, MJ/kg 170
87
Embodied Water, L/kg 940
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 220
190 to 1150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
24
Strength to Weight: Axial, points 31
22 to 36
Strength to Weight: Bending, points 41
20 to 28
Thermal Diffusivity, mm2/s 59
4.0
Thermal Shock Resistance, points 12
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
13.5 to 16
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0
49.1 to 59.5
Magnesium (Mg), % 91.7 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.010
24 to 27
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
1.9 to 2.4
Unspecified Rare Earths, % 0.75 to 1.8
0
Vanadium (V), % 0
0.1 to 0.5
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0