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EN 1.4849 Stainless Steel vs. ISO-WD32260 Magnesium

EN 1.4849 stainless steel belongs to the iron alloys classification, while ISO-WD32260 magnesium belongs to the magnesium alloys. There are 27 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 1.4849 stainless steel and the bottom bar is ISO-WD32260 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
46
Elongation at Break, % 4.5
4.5 to 6.0
Fatigue Strength, MPa 120
150 to 190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
18
Tensile Strength: Ultimate (UTS), MPa 480
330 to 340
Tensile Strength: Yield (Proof), MPa 250
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Maximum Temperature: Mechanical, °C 1020
120
Melting Completion (Liquidus), °C 1390
600
Melting Onset (Solidus), °C 1340
520
Specific Heat Capacity, J/kg-K 480
970
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 15
27

Otherwise Unclassified Properties

Base Metal Price, % relative 42
13
Density, g/cm3 8.0
1.9
Embodied Carbon, kg CO2/kg material 7.1
23
Embodied Energy, MJ/kg 100
160
Embodied Water, L/kg 200
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
14 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 160
560 to 700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
63
Strength to Weight: Axial, points 17
48 to 51
Strength to Weight: Bending, points 17
56 to 58
Thermal Diffusivity, mm2/s 3.2
63
Thermal Shock Resistance, points 11
19 to 20

Alloy Composition

Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 18 to 21
0
Iron (Fe), % 32.6 to 43.5
0
Magnesium (Mg), % 0
92.7 to 94.8
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
0
Niobium (Nb), % 1.2 to 1.8
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
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3