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AS41A Magnesium vs. EN 1.6511 Steel

AS41A magnesium belongs to the magnesium alloys classification, while EN 1.6511 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 AS41A magnesium and the bottom bar is EN 1.6511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
12
Fatigue Strength, MPa 100
480
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 130
600
Tensile Strength: Ultimate (UTS), MPa 230
990
Tensile Strength: Yield (Proof), MPa 140
770

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 110
430
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
36
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 92
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.1
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 23
1.6
Embodied Energy, MJ/kg 160
21
Embodied Water, L/kg 980
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1590
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 38
35
Strength to Weight: Bending, points 50
28
Thermal Diffusivity, mm2/s 41
9.9
Thermal Shock Resistance, points 14
29

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0.32 to 0.4
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 0
95.6 to 97.2
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 0 to 0.030
0.9 to 1.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.5 to 1.5
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Zinc (Zn), % 0 to 0.12
0