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AZ80A Magnesium vs. EN 1.3555 Steel

AZ80A magnesium belongs to the magnesium alloys classification, while EN 1.3555 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 AZ80A magnesium and the bottom bar is EN 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
75
Tensile Strength: Ultimate (UTS), MPa 320 to 340
770

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 130
540
Melting Completion (Liquidus), °C 600
1500
Melting Onset (Solidus), °C 490
1450
Specific Heat Capacity, J/kg-K 990
460
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 59
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
5.6
Embodied Energy, MJ/kg 160
81
Embodied Water, L/kg 990
90

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
24
Strength to Weight: Axial, points 51 to 55
27
Strength to Weight: Bending, points 60 to 63
23
Thermal Shock Resistance, points 19 to 20
22

Alloy Composition

Aluminum (Al), % 7.8 to 9.2
0
Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.0050
85.4 to 87.7
Magnesium (Mg), % 89 to 91.9
0
Manganese (Mn), % 0.12 to 0.5
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 0 to 0.0050
3.2 to 3.6
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.1
0.1 to 0.25
Sulfur (S), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
1.0 to 1.3
Zinc (Zn), % 0.2 to 0.8
0
Residuals, % 0 to 0.3
0