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AM50A Magnesium vs. EN 1.4606 Stainless Steel

AM50A magnesium belongs to the magnesium alloys classification, while EN 1.4606 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 AM50A magnesium and the bottom bar is EN 1.4606 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
23 to 39
Fatigue Strength, MPa 70
240 to 420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
75
Shear Strength, MPa 120
410 to 640
Tensile Strength: Ultimate (UTS), MPa 210
600 to 1020
Tensile Strength: Yield (Proof), MPa 120
280 to 630

Thermal Properties

Latent Heat of Fusion, J/g 350
300
Maximum Temperature: Mechanical, °C 120
910
Melting Completion (Liquidus), °C 620
1430
Melting Onset (Solidus), °C 570
1380
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 65
14
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 88
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
26
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
6.0
Embodied Energy, MJ/kg 160
87
Embodied Water, L/kg 990
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 150
200 to 1010
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 35
21 to 36
Strength to Weight: Bending, points 47
20 to 28
Thermal Diffusivity, mm2/s 39
3.7
Thermal Shock Resistance, points 13
21 to 35

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
13 to 16
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0040
49.2 to 59
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.0020
24 to 27
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5
Zinc (Zn), % 0 to 0.22
0