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EN 1.0446 Cast Steel vs. EN-MC95310 Magnesium

EN 1.0446 cast steel belongs to the iron alloys classification, while EN-MC95310 magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 1.0446 cast steel and the bottom bar is EN-MC95310 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
45
Elongation at Break, % 25
2.2
Fatigue Strength, MPa 200
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
17
Tensile Strength: Ultimate (UTS), MPa 530
280
Tensile Strength: Yield (Proof), MPa 270
190

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1470
650
Melting Onset (Solidus), °C 1430
540
Specific Heat Capacity, J/kg-K 470
960
Thermal Conductivity, W/m-K 53
51
Thermal Expansion, µm/m-K 12
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
50

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
34
Density, g/cm3 7.9
1.9
Embodied Carbon, kg CO2/kg material 1.4
29
Embodied Energy, MJ/kg 18
260
Embodied Water, L/kg 45
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 190
420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
61
Strength to Weight: Axial, points 19
40
Strength to Weight: Bending, points 18
49
Thermal Diffusivity, mm2/s 14
28
Thermal Shock Resistance, points 17
18

Alloy Composition

Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 99.935 to 100
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.9 to 93.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010