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AM60B Magnesium vs. EN 1.4905 Stainless Steel

AM60B magnesium belongs to the magnesium alloys classification, while EN 1.4905 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 AM60B magnesium and the bottom bar is EN 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
19
Fatigue Strength, MPa 96
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Shear Strength, MPa 140
460
Tensile Strength: Ultimate (UTS), MPa 230
740
Tensile Strength: Yield (Proof), MPa 130
510

Thermal Properties

Latent Heat of Fusion, J/g 350
270
Maximum Temperature: Mechanical, °C 120
660
Melting Completion (Liquidus), °C 620
1480
Melting Onset (Solidus), °C 540
1440
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 61
26
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 72
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
2.8
Embodied Energy, MJ/kg 160
40
Embodied Water, L/kg 990
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
680
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 38
26
Strength to Weight: Bending, points 50
23
Thermal Diffusivity, mm2/s 37
7.0
Thermal Shock Resistance, points 14
25

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0
0.090 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
86.2 to 88.8
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.0020
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.1
0.1 to 0.5
Sulfur (S), % 0
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 0 to 0.22
0