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ISO-WD32260 Magnesium vs. EN 1.4852 Stainless Steel

ISO-WD32260 magnesium belongs to the magnesium alloys classification, while EN 1.4852 stainless steel belongs to the iron 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 ISO-WD32260 magnesium and the bottom bar is EN 1.4852 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
200
Elongation at Break, % 4.5 to 6.0
4.6
Fatigue Strength, MPa 150 to 190
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77
Tensile Strength: Ultimate (UTS), MPa 330 to 340
490
Tensile Strength: Yield (Proof), MPa 230 to 250
250

Thermal Properties

Latent Heat of Fusion, J/g 330
330
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 600
1380
Melting Onset (Solidus), °C 520
1340
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
13
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
41
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 23
6.9
Embodied Energy, MJ/kg 160
100
Embodied Water, L/kg 940
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 19
19
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 700
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 48 to 51
17
Strength to Weight: Bending, points 56 to 58
18
Thermal Diffusivity, mm2/s 63
3.4
Thermal Shock Resistance, points 19 to 20
11

Alloy Composition

Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
24 to 27
Iron (Fe), % 0
29.6 to 40.9
Magnesium (Mg), % 92.7 to 94.8
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
33 to 36
Niobium (Nb), % 0
0.8 to 1.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 4.8 to 6.2
0
Zirconium (Zr), % 0.45 to 0.8
0
Residuals, % 0 to 0.3
0