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ZC63A Magnesium vs. Grade 300 Maraging Steel

ZC63A magnesium belongs to the magnesium alloys classification, while grade 300 maraging steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (12, 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 ZC63A magnesium and the bottom bar is grade 300 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
190
Elongation at Break, % 3.3
6.5 to 18
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 19
75
Shear Strength, MPa 130
640 to 1190
Tensile Strength: Ultimate (UTS), MPa 220
1030 to 2030
Tensile Strength: Yield (Proof), MPa 130
760 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 550
1480
Melting Onset (Solidus), °C 470
1430
Specific Heat Capacity, J/kg-K 950
450
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
34
Density, g/cm3 2.1
8.2
Embodied Carbon, kg CO2/kg material 22
5.1
Embodied Energy, MJ/kg 150
68
Embodied Water, L/kg 920
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
130 to 170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
23
Strength to Weight: Axial, points 29
35 to 68
Strength to Weight: Bending, points 38
28 to 43
Thermal Shock Resistance, points 12
31 to 62

Alloy Composition


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Aluminum (Al), % 0
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
8.5 to 9.5
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0
65 to 68.4
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0 to 0.010
18 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.5 to 0.8
Zinc (Zn), % 5.5 to 6.5
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.3
0