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AZ61A Magnesium vs. EN 1.4592 Stainless Steel

AZ61A magnesium belongs to the magnesium alloys classification, while EN 1.4592 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 AZ61A magnesium and the bottom bar is EN 1.4592 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
210
Elongation at Break, % 11
23
Fatigue Strength, MPa 130
340
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 17
82
Shear Strength, MPa 150
400
Tensile Strength: Ultimate (UTS), MPa 280
630
Tensile Strength: Yield (Proof), MPa 170
500

Thermal Properties

Latent Heat of Fusion, J/g 350
310
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 530
1410
Specific Heat Capacity, J/kg-K 990
480
Thermal Conductivity, W/m-K 79
17
Thermal Expansion, µm/m-K 27
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 62
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
18
Density, g/cm3 1.7
7.7
Embodied Carbon, kg CO2/kg material 23
3.8
Embodied Energy, MJ/kg 160
52
Embodied Water, L/kg 980
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
130
Resilience: Unit (Modulus of Resilience), kJ/m3 310
610
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 69
26
Strength to Weight: Axial, points 46
23
Strength to Weight: Bending, points 56
21
Thermal Diffusivity, mm2/s 47
4.6
Thermal Shock Resistance, points 17
20

Alloy Composition


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Aluminum (Al), % 5.5 to 7.2
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.0050
62.6 to 68.4
Magnesium (Mg), % 90.3 to 93.9
0
Manganese (Mn), % 0.15 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.0050
0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.8
Zinc (Zn), % 0.4 to 1.5
0
Residuals, % 0 to 0.3
0