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AS41A Magnesium vs. EN 1.3553 Steel

AS41A magnesium belongs to the magnesium alloys classification, while EN 1.3553 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 1.3553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
77
Tensile Strength: Ultimate (UTS), MPa 230
720

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Maximum Temperature: Mechanical, °C 110
540
Melting Completion (Liquidus), °C 620
1620
Melting Onset (Solidus), °C 570
1570
Specific Heat Capacity, J/kg-K 1000
440
Thermal Conductivity, W/m-K 68
24
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
10
Electrical Conductivity: Equal Weight (Specific), % IACS 92
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
24
Density, g/cm3 1.6
8.4
Embodied Carbon, kg CO2/kg material 23
8.5
Embodied Energy, MJ/kg 160
130
Embodied Water, L/kg 980
96

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 38
24
Strength to Weight: Bending, points 50
21
Thermal Diffusivity, mm2/s 41
6.4
Thermal Shock Resistance, points 14
21

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0.78 to 0.86
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0 to 0.060
0 to 0.3
Iron (Fe), % 0
80.7 to 83.7
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0 to 0.4
Molybdenum (Mo), % 0
4.7 to 5.2
Nickel (Ni), % 0 to 0.030
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.5 to 1.5
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
6.0 to 6.7
Vanadium (V), % 0
1.7 to 2.0
Zinc (Zn), % 0 to 0.12
0