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AM60B Magnesium vs. S36200 Stainless Steel

AM60B magnesium belongs to the magnesium alloys classification, while S36200 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 S36200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
3.4 to 4.6
Fatigue Strength, MPa 96
450 to 570
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Shear Strength, MPa 140
680 to 810
Tensile Strength: Ultimate (UTS), MPa 230
1180 to 1410
Tensile Strength: Yield (Proof), MPa 130
960 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Maximum Temperature: Mechanical, °C 120
820
Melting Completion (Liquidus), °C 620
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 1000
480
Thermal Conductivity, W/m-K 61
16
Thermal Expansion, µm/m-K 26
11

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
12
Density, g/cm3 1.7
7.8
Embodied Carbon, kg CO2/kg material 23
2.8
Embodied Energy, MJ/kg 160
40
Embodied Water, L/kg 990
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
46 to 51
Resilience: Unit (Modulus of Resilience), kJ/m3 190
2380 to 3930
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 38
42 to 50
Strength to Weight: Bending, points 50
32 to 36
Thermal Diffusivity, mm2/s 37
4.3
Thermal Shock Resistance, points 14
40 to 48

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.1
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
14 to 14.5
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
75.4 to 79.5
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0 to 0.0020
6.5 to 7.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.3
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.6 to 0.9
Zinc (Zn), % 0 to 0.22
0