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AM60B Magnesium vs. EN 1.4449 Stainless Steel

AM60B magnesium belongs to the magnesium alloys classification, while EN 1.4449 stainless steel belongs to the iron alloys. There are 31 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 AM60B magnesium and the bottom bar is EN 1.4449 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
190
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
48
Fatigue Strength, MPa 96
240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
78
Shear Strength, MPa 140
440
Tensile Strength: Ultimate (UTS), MPa 230
620
Tensile Strength: Yield (Proof), MPa 130
250

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Mechanical, °C 120
960
Melting Completion (Liquidus), °C 620
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 61
15
Thermal Expansion, µm/m-K 26
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 72
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
3.9
Embodied Energy, MJ/kg 160
54
Embodied Water, L/kg 990
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
240
Resilience: Unit (Modulus of Resilience), kJ/m3 190
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 38
22
Strength to Weight: Bending, points 50
20
Thermal Diffusivity, mm2/s 37
4.0
Thermal Shock Resistance, points 14
14

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
17 to 18.2
Copper (Cu), % 0 to 0.010
0 to 1.0
Iron (Fe), % 0 to 0.0050
62.4 to 69.3
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
2.3 to 2.8
Nickel (Ni), % 0 to 0.0020
11.5 to 12.5
Nitrogen (N), % 0
0 to 0.080
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.22
0