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AS41A Magnesium vs. AISI 410Cb Stainless Steel

AS41A magnesium belongs to the magnesium alloys classification, while AISI 410Cb stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 AISI 410Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
15
Fatigue Strength, MPa 100
180 to 460
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Shear Strength, MPa 130
340 to 590
Tensile Strength: Ultimate (UTS), MPa 230
550 to 960
Tensile Strength: Yield (Proof), MPa 140
310 to 790

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Maximum Temperature: Mechanical, °C 110
730
Melting Completion (Liquidus), °C 620
1450
Melting Onset (Solidus), °C 570
1400
Specific Heat Capacity, J/kg-K 1000
480
Thermal Conductivity, W/m-K 68
27
Thermal Expansion, µm/m-K 26
10

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
7.5
Density, g/cm3 1.6
7.7
Embodied Carbon, kg CO2/kg material 23
2.0
Embodied Energy, MJ/kg 160
29
Embodied Water, L/kg 980
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
70 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 220
240 to 1600
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 38
20 to 35
Strength to Weight: Bending, points 50
19 to 28
Thermal Diffusivity, mm2/s 41
7.3
Thermal Shock Resistance, points 14
20 to 35

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.18
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 0
84.5 to 89
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Nickel (Ni), % 0 to 0.030
0
Niobium (Nb), % 0
0.050 to 0.3
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