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AM50A Magnesium vs. EN 1.4415 Stainless Steel

AM50A 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 (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 AM50A 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, % 11
17 to 20
Fatigue Strength, MPa 70
470 to 510
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 120
520 to 570
Tensile Strength: Ultimate (UTS), MPa 210
830 to 930
Tensile Strength: Yield (Proof), MPa 120
730 to 840

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Maximum Temperature: Mechanical, °C 120
790
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 65
19
Thermal Expansion, µm/m-K 26
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 88
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
3.6
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 990
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1350 to 1790
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 35
29 to 33
Strength to Weight: Bending, points 47
25 to 27
Thermal Diffusivity, mm2/s 39
5.1
Thermal Shock Resistance, points 13
30 to 34

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0040
75.9 to 82.4
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0 to 0.5
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 0 to 0.0020
4.5 to 6.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
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), % 0 to 0.22
0