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AS41B Magnesium vs. EN 1.4962 Stainless Steel

AS41B magnesium belongs to the magnesium alloys classification, while EN 1.4962 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4962 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 6.0
22 to 34
Fatigue Strength, MPa 97
210 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77
Shear Strength, MPa 120
420 to 440
Tensile Strength: Ultimate (UTS), MPa 210
630 to 690
Tensile Strength: Yield (Proof), MPa 140
260 to 490

Thermal Properties

Latent Heat of Fusion, J/g 370
280
Maximum Temperature: Mechanical, °C 110
910
Melting Completion (Liquidus), °C 620
1480
Melting Onset (Solidus), °C 570
1440
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 68
14
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 92
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
23
Density, g/cm3 1.7
8.1
Embodied Carbon, kg CO2/kg material 23
4.1
Embodied Energy, MJ/kg 160
59
Embodied Water, L/kg 980
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 220
170 to 610
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 35
21 to 24
Strength to Weight: Bending, points 47
20 to 21
Thermal Diffusivity, mm2/s 41
3.7
Thermal Shock Resistance, points 13
14 to 16

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0
0.070 to 0.15
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 0 to 0.020
0
Iron (Fe), % 0 to 0.0035
62.1 to 69
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0 to 1.5
Nickel (Ni), % 0 to 0.0020
12.5 to 14.5
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.5 to 1.5
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.7
Tungsten (W), % 0
2.5 to 3.0
Zinc (Zn), % 0 to 0.12
0