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AZ80A Magnesium vs. EN 1.3537 Steel

AZ80A magnesium belongs to the magnesium alloys classification, while EN 1.3537 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 1.3537 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
73
Tensile Strength: Ultimate (UTS), MPa 320 to 340
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 130
440
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 490
1410
Specific Heat Capacity, J/kg-K 990
470
Thermal Conductivity, W/m-K 77
43
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 59
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.8
Density, g/cm3 1.7
7.8
Embodied Carbon, kg CO2/kg material 23
1.5
Embodied Energy, MJ/kg 160
21
Embodied Water, L/kg 990
54

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 69
24
Strength to Weight: Axial, points 51 to 55
22 to 26
Strength to Weight: Bending, points 60 to 63
21 to 23
Thermal Diffusivity, mm2/s 45
12
Thermal Shock Resistance, points 19 to 20
18 to 22

Alloy Composition

Aluminum (Al), % 7.8 to 9.2
0 to 0.050
Carbon (C), % 0
0.93 to 1.1
Chromium (Cr), % 0
1.7 to 2.0
Copper (Cu), % 0 to 0.050
0 to 0.3
Iron (Fe), % 0 to 0.0050
96.4 to 97.8
Magnesium (Mg), % 89 to 91.9
0
Manganese (Mn), % 0.12 to 0.5
0.25 to 0.45
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 0 to 0.0050
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0.15 to 0.45
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.2 to 0.8
0
Residuals, % 0 to 0.3
0