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EN 1.4848 Stainless Steel vs. ISO-WD32250 Magnesium

EN 1.4848 stainless steel belongs to the iron alloys classification, while ISO-WD32250 magnesium belongs to the magnesium alloys. There are 29 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 1.4848 stainless steel and the bottom bar is ISO-WD32250 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
45
Elongation at Break, % 9.0
4.5 to 8.6
Fatigue Strength, MPa 130
170 to 210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
17
Tensile Strength: Ultimate (UTS), MPa 510
310 to 330
Tensile Strength: Yield (Proof), MPa 250
240 to 290

Thermal Properties

Latent Heat of Fusion, J/g 320
340
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1390
600
Melting Onset (Solidus), °C 1340
550
Specific Heat Capacity, J/kg-K 490
980
Thermal Conductivity, W/m-K 15
130
Thermal Expansion, µm/m-K 16
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
130

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 7.8
1.8
Embodied Carbon, kg CO2/kg material 4.4
24
Embodied Energy, MJ/kg 63
160
Embodied Water, L/kg 200
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
14 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 150
630 to 930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
67
Strength to Weight: Axial, points 18
49 to 51
Strength to Weight: Bending, points 18
58 to 60
Thermal Diffusivity, mm2/s 3.9
72
Thermal Shock Resistance, points 11
19 to 20

Alloy Composition

Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 24 to 27
0
Iron (Fe), % 45.4 to 55.7
0
Magnesium (Mg), % 0
94.9 to 97.1
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
2.5 to 4.0
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3