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AM60B Magnesium vs. EN 1.4518 Stainless Steel

AM60B magnesium belongs to the magnesium alloys classification, while EN 1.4518 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.4518 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 96
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
79
Tensile Strength: Ultimate (UTS), MPa 230
490
Tensile Strength: Yield (Proof), MPa 130
210

Thermal Properties

Latent Heat of Fusion, J/g 350
300
Maximum Temperature: Mechanical, °C 120
1000
Melting Completion (Liquidus), °C 620
1450
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
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 72
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
20
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
4.0
Embodied Energy, MJ/kg 160
55
Embodied Water, L/kg 990
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
140
Resilience: Unit (Modulus of Resilience), kJ/m3 190
100
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 38
17
Strength to Weight: Bending, points 50
18
Thermal Diffusivity, mm2/s 37
4.1
Thermal Shock Resistance, points 14
14

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
61.4 to 70
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 0 to 0.0020
9.0 to 12
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.22
0