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EN 1.1233 Steel vs. EZ33A Magnesium

EN 1.1233 steel belongs to the iron alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.1233 steel and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
55
Elastic (Young's, Tensile) Modulus, GPa 190
44
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
17
Tensile Strength: Ultimate (UTS), MPa 680 to 760
150

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
250
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1410
570
Specific Heat Capacity, J/kg-K 470
970
Thermal Conductivity, W/m-K 51
100
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
24
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
110

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
25
Density, g/cm3 7.8
1.9
Embodied Carbon, kg CO2/kg material 1.4
25
Embodied Energy, MJ/kg 19
190
Embodied Water, L/kg 47
930

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
61
Strength to Weight: Axial, points 24 to 27
22
Strength to Weight: Bending, points 22 to 24
33
Thermal Diffusivity, mm2/s 14
54
Thermal Shock Resistance, points 22 to 24
9.2

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.52 to 0.6
0
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 98 to 99.1
0
Magnesium (Mg), % 0
91.5 to 95
Manganese (Mn), % 0.9 to 1.2
0
Nickel (Ni), % 0
0 to 0.010
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3