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EN 1.0446 Cast Steel vs. EN-MC21210 Magnesium

EN 1.0446 cast steel belongs to the iron alloys classification, while EN-MC21210 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-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 25
14
Fatigue Strength, MPa 200
70
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
17
Tensile Strength: Ultimate (UTS), MPa 530
190
Tensile Strength: Yield (Proof), MPa 270
90

Thermal Properties

Latent Heat of Fusion, J/g 250
350
Maximum Temperature: Mechanical, °C 400
100
Melting Completion (Liquidus), °C 1470
600
Melting Onset (Solidus), °C 1430
570
Specific Heat Capacity, J/kg-K 470
1000
Thermal Conductivity, W/m-K 53
120
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
24
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
130

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
12
Density, g/cm3 7.9
1.6
Embodied Carbon, kg CO2/kg material 1.4
24
Embodied Energy, MJ/kg 18
160
Embodied Water, L/kg 45
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
22
Resilience: Unit (Modulus of Resilience), kJ/m3 190
92
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
72
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 18
44
Thermal Diffusivity, mm2/s 14
76
Thermal Shock Resistance, points 17
11

Alloy Composition

Aluminum (Al), % 0
1.6 to 2.6
Copper (Cu), % 0
0 to 0.010
Iron (Fe), % 99.935 to 100
0 to 0.0050
Magnesium (Mg), % 0
96.3 to 98.3
Manganese (Mn), % 0
0.1 to 0.7
Nickel (Ni), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.010