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AS41B Magnesium vs. EN 1.3541 Stainless Steel

AS41B magnesium belongs to the magnesium alloys classification, while EN 1.3541 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 1.3541 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Tensile Strength: Ultimate (UTS), MPa 210
710

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Maximum Temperature: Mechanical, °C 110
770
Melting Completion (Liquidus), °C 620
1440
Melting Onset (Solidus), °C 570
1390
Specific Heat Capacity, J/kg-K 1000
480
Thermal Conductivity, W/m-K 68
30
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 92
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.0
Density, g/cm3 1.7
7.7
Embodied Carbon, kg CO2/kg material 23
1.9
Embodied Energy, MJ/kg 160
27
Embodied Water, L/kg 980
100

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 35
26
Strength to Weight: Bending, points 47
23
Thermal Diffusivity, mm2/s 41
8.1
Thermal Shock Resistance, points 13
26

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0.43 to 0.5
Chromium (Cr), % 0
12.5 to 14.5
Copper (Cu), % 0 to 0.020
0
Iron (Fe), % 0 to 0.0035
83.4 to 87.5
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0 to 1.0
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 1.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.12
0