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AM60B Magnesium vs. S24000 Stainless Steel

AM60B magnesium belongs to the magnesium alloys classification, while S24000 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
210
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
39
Fatigue Strength, MPa 96
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 140
530
Tensile Strength: Ultimate (UTS), MPa 230
770
Tensile Strength: Yield (Proof), MPa 130
430

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Maximum Temperature: Mechanical, °C 120
910
Melting Completion (Liquidus), °C 620
1390
Melting Onset (Solidus), °C 540
1350
Specific Heat Capacity, J/kg-K 1000
480
Thermal Expansion, µm/m-K 26
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 1.7
7.6
Embodied Carbon, kg CO2/kg material 23
2.7
Embodied Energy, MJ/kg 160
39
Embodied Water, L/kg 990
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
260
Resilience: Unit (Modulus of Resilience), kJ/m3 190
470
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 38
28
Strength to Weight: Bending, points 50
24
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
61.5 to 69
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
11.5 to 14.5
Nickel (Ni), % 0 to 0.0020
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.22
0