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AS41B Magnesium vs. EN 1.0452 Steel

AS41B magnesium belongs to the magnesium alloys classification, while EN 1.0452 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 AS41B magnesium and the bottom bar is EN 1.0452 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 6.0
25
Fatigue Strength, MPa 97
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
73
Shear Strength, MPa 120
270
Tensile Strength: Ultimate (UTS), MPa 210
430
Tensile Strength: Yield (Proof), MPa 140
290

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 110
400
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
48
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 92
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.1
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
1.5
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 980
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
94
Resilience: Unit (Modulus of Resilience), kJ/m3 220
220
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 35
15
Strength to Weight: Bending, points 47
16
Thermal Diffusivity, mm2/s 41
13
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0.020 to 0.060
Carbon (C), % 0
0 to 0.17
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.020
0 to 0.3
Iron (Fe), % 0 to 0.0035
97.1 to 99.58
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0.4 to 1.2
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 0 to 0.0020
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.5 to 1.5
0 to 0.35
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.12
0