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ISO-WD32250 Magnesium vs. EN 1.4415 Stainless Steel

ISO-WD32250 magnesium belongs to the magnesium alloys classification, while EN 1.4415 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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-WD32250 magnesium and the bottom bar is EN 1.4415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 4.5 to 8.6
17 to 20
Fatigue Strength, MPa 170 to 210
470 to 510
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 180 to 190
520 to 570
Tensile Strength: Ultimate (UTS), MPa 310 to 330
830 to 930
Tensile Strength: Yield (Proof), MPa 240 to 290
730 to 840

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Mechanical, °C 120
790
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 980
470
Thermal Conductivity, W/m-K 130
19
Thermal Expansion, µm/m-K 26
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
13
Density, g/cm3 1.8
7.9
Embodied Carbon, kg CO2/kg material 24
3.6
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 950
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 26
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 930
1350 to 1790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 67
25
Strength to Weight: Axial, points 49 to 51
29 to 33
Strength to Weight: Bending, points 58 to 60
25 to 27
Thermal Diffusivity, mm2/s 72
5.1
Thermal Shock Resistance, points 19 to 20
30 to 34

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
11.5 to 13.5
Iron (Fe), % 0
75.9 to 82.4
Magnesium (Mg), % 94.9 to 97.1
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 0
4.5 to 6.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.1 to 0.5
Zinc (Zn), % 2.5 to 4.0
0
Zirconium (Zr), % 0.45 to 0.8
0
Residuals, % 0 to 0.3
0

Comparable Variants