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EN-MC95310 Magnesium vs. Grade 250 Maraging Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while grade 250 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 EN-MC95310 magnesium and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 2.2
7.3 to 17
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 17
75
Shear Strength, MPa 160
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 280
970 to 1800
Tensile Strength: Yield (Proof), MPa 190
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 650
1480
Melting Onset (Solidus), °C 540
1430
Specific Heat Capacity, J/kg-K 960
450
Thermal Expansion, µm/m-K 25
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
32
Density, g/cm3 1.9
8.2
Embodied Carbon, kg CO2/kg material 29
4.9
Embodied Energy, MJ/kg 260
65
Embodied Water, L/kg 900
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
130 to 150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 61
23
Strength to Weight: Axial, points 40
33 to 61
Strength to Weight: Bending, points 49
26 to 40
Thermal Shock Resistance, points 18
29 to 54

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
7.0 to 8.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
66.3 to 71.1
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0 to 0.0050
17 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.010
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.3 to 0.5
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0 to 0.020
Residuals, % 0 to 0.010
0