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N08031 Stainless Steel vs. ZE41A Magnesium

N08031 stainless steel belongs to the iron alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, 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 N08031 stainless steel and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
45
Elongation at Break, % 45
3.3
Fatigue Strength, MPa 290
98
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
18
Shear Strength, MPa 510
150
Tensile Strength: Ultimate (UTS), MPa 730
210
Tensile Strength: Yield (Proof), MPa 310
140

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 1100
150
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1390
540
Specific Heat Capacity, J/kg-K 460
970
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 18
27

Otherwise Unclassified Properties

Base Metal Price, % relative 39
18
Density, g/cm3 8.1
1.9
Embodied Carbon, kg CO2/kg material 7.1
24
Embodied Energy, MJ/kg 96
170
Embodied Water, L/kg 240
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 230
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
63
Strength to Weight: Axial, points 25
31
Strength to Weight: Bending, points 22
41
Thermal Diffusivity, mm2/s 3.1
59
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 26 to 28
0
Copper (Cu), % 1.0 to 1.4
0 to 0.1
Iron (Fe), % 29 to 36.9
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0 to 2.0
0 to 0.15
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
0 to 0.010
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.010
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