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AS41A Magnesium vs. EN 1.5507 Steel

AS41A magnesium belongs to the magnesium alloys classification, while EN 1.5507 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 AS41A magnesium and the bottom bar is EN 1.5507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Tensile Strength: Ultimate (UTS), MPa 230
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 110
410
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 68
49
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 92
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.0
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 23
1.4
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 980
49

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 38
16 to 31
Strength to Weight: Bending, points 50
17 to 26
Thermal Diffusivity, mm2/s 41
13
Thermal Shock Resistance, points 14
13 to 26

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0.020 to 0.080
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.21 to 0.25
Chromium (Cr), % 0
0.25 to 0.35
Copper (Cu), % 0 to 0.060
0 to 0.25
Iron (Fe), % 0
97.8 to 98.7
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0.8 to 1.0
Nickel (Ni), % 0 to 0.030
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0.5 to 1.5
0 to 0.15
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0 to 0.12
0