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EN 1.4006 Stainless Steel vs. ZE41A Magnesium

EN 1.4006 stainless steel belongs to the iron alloys classification, while ZE41A magnesium belongs to the magnesium 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 EN 1.4006 stainless steel and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
45
Elongation at Break, % 16 to 23
3.3
Fatigue Strength, MPa 150 to 300
98
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
18
Shear Strength, MPa 370 to 460
150
Tensile Strength: Ultimate (UTS), MPa 590 to 750
210
Tensile Strength: Yield (Proof), MPa 230 to 510
140

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 740
150
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1400
540
Specific Heat Capacity, J/kg-K 480
970
Thermal Conductivity, W/m-K 30
110
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
130

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
18
Density, g/cm3 7.7
1.9
Embodied Carbon, kg CO2/kg material 1.9
24
Embodied Energy, MJ/kg 27
170
Embodied Water, L/kg 100
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
63
Strength to Weight: Axial, points 21 to 27
31
Strength to Weight: Bending, points 20 to 24
41
Thermal Diffusivity, mm2/s 8.1
59
Thermal Shock Resistance, points 21 to 26
12

Alloy Composition

Carbon (C), % 0.080 to 0.15
0
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 83.1 to 88.4
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0 to 1.5
0 to 0.15
Nickel (Ni), % 0 to 0.75
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3