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EN 1.1244 Steel vs. Reactor Grade Zirconium

EN 1.1244 steel belongs to the iron alloys classification, while reactor grade zirconium belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.1244 steel and the bottom bar is reactor grade zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
98
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
37
Tensile Strength: Ultimate (UTS), MPa 730 to 770
330

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 51
22
Thermal Expansion, µm/m-K 12
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.5
Embodied Water, L/kg 47
280

Common Calculations

Stiffness to Weight: Axial, points 13
8.4
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 28
14
Strength to Weight: Bending, points 23 to 24
16
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 23 to 25
41

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.65 to 0.75
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 98.1 to 99.2
0
Manganese (Mn), % 0.8 to 1.1
0
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
Zirconium (Zr), % 0
99.7 to 100
Residuals, % 0
0 to 0.27