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AM60A Magnesium vs. Grade 350 Maraging Steel

AM60A magnesium belongs to the magnesium alloys classification, while grade 350 maraging steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, 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 AM60A magnesium and the bottom bar is grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 8.8
4.1 to 18
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 18
75
Shear Strength, MPa 130
710 to 1400
Tensile Strength: Ultimate (UTS), MPa 230
1140 to 2420
Tensile Strength: Yield (Proof), MPa 130
830 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 350
270
Melting Completion (Liquidus), °C 620
1470
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 1000
450
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
39
Density, g/cm3 1.7
8.2
Embodied Carbon, kg CO2/kg material 23
5.6
Embodied Energy, MJ/kg 160
74
Embodied Water, L/kg 990
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
98 to 190
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
23
Strength to Weight: Axial, points 37
38 to 82
Strength to Weight: Bending, points 49
29 to 49
Thermal Shock Resistance, points 14
35 to 74

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0
0 to 0.030
Cobalt (Co), % 0
11.5 to 12.5
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 0
61.2 to 64.6
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0 to 0.030
18 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
1.3 to 1.6
Zinc (Zn), % 0 to 0.22
0
Zirconium (Zr), % 0
0 to 0.020