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AM60B Magnesium vs. S28200 Stainless Steel

AM60B magnesium belongs to the magnesium alloys classification, while S28200 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
260
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
45
Fatigue Strength, MPa 96
430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 140
610
Tensile Strength: Ultimate (UTS), MPa 230
870
Tensile Strength: Yield (Proof), MPa 130
460

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Mechanical, °C 120
900
Melting Completion (Liquidus), °C 620
1380
Melting Onset (Solidus), °C 540
1330
Specific Heat Capacity, J/kg-K 1000
480
Thermal Expansion, µm/m-K 26
18

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 1.7
7.6
Embodied Carbon, kg CO2/kg material 23
2.8
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 990
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
330
Resilience: Unit (Modulus of Resilience), kJ/m3 190
540
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 71
26
Strength to Weight: Axial, points 38
32
Strength to Weight: Bending, points 50
27
Thermal Shock Resistance, points 14
17

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.010
0.75 to 1.3
Iron (Fe), % 0 to 0.0050
57.7 to 64.1
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0 to 0.0020
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.22
0