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EN 1.4855 Stainless Steel vs. EN-MC35110 Magnesium

EN 1.4855 stainless steel belongs to the iron alloys classification, while EN-MC35110 magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 1.4855 stainless steel and the bottom bar is EN-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
63
Elastic (Young's, Tensile) Modulus, GPa 200
45
Elongation at Break, % 4.6
3.1
Fatigue Strength, MPa 120
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
18
Tensile Strength: Ultimate (UTS), MPa 500
230
Tensile Strength: Yield (Proof), MPa 250
150

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Maximum Temperature: Mechanical, °C 1050
140
Melting Completion (Liquidus), °C 1400
600
Melting Onset (Solidus), °C 1350
520
Specific Heat Capacity, J/kg-K 480
970
Thermal Conductivity, W/m-K 14
110
Thermal Expansion, µm/m-K 16
26

Otherwise Unclassified Properties

Base Metal Price, % relative 34
18
Density, g/cm3 7.8
1.9
Embodied Carbon, kg CO2/kg material 5.9
24
Embodied Energy, MJ/kg 85
170
Embodied Water, L/kg 200
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 160
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
63
Strength to Weight: Axial, points 18
34
Strength to Weight: Bending, points 18
44
Thermal Diffusivity, mm2/s 3.7
61
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 42.6 to 51.9
0 to 0.010
Magnesium (Mg), % 0
92 to 95.4
Manganese (Mn), % 0 to 2.0
0 to 0.15
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 25
0 to 0.0050
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0 to 0.010
Sulfur (S), % 0 to 0.030
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 0.010