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AS41A Magnesium vs. EN 1.4913 Stainless Steel

AS41A magnesium belongs to the magnesium alloys classification, while EN 1.4913 stainless 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 AS41A magnesium and the bottom bar is EN 1.4913 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
14 to 22
Fatigue Strength, MPa 100
320 to 480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
75
Shear Strength, MPa 130
550 to 590
Tensile Strength: Ultimate (UTS), MPa 230
870 to 980
Tensile Strength: Yield (Proof), MPa 140
480 to 850

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Maximum Temperature: Mechanical, °C 110
700
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 570
1410
Specific Heat Capacity, J/kg-K 1000
480
Thermal Conductivity, W/m-K 68
24
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 92
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.0
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 23
2.9
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 980
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 220
600 to 1860
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 38
31 to 35
Strength to Weight: Bending, points 50
26 to 28
Thermal Diffusivity, mm2/s 41
6.5
Thermal Shock Resistance, points 14
31 to 34

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0 to 0.020
Boron (B), % 0
0 to 0.0015
Carbon (C), % 0
0.17 to 0.23
Chromium (Cr), % 0
10 to 11.5
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 0
84.5 to 88.3
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0.4 to 0.9
Molybdenum (Mo), % 0
0.5 to 0.8
Nickel (Ni), % 0 to 0.030
0.2 to 0.6
Niobium (Nb), % 0
0.25 to 0.55
Nitrogen (N), % 0
0.050 to 0.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.5 to 1.5
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 0 to 0.12
0