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EN 1.3551 Steel vs. Reactor Grade Zirconium

EN 1.3551 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 (14, in this case) are not shown.

For each property being compared, the top bar is EN 1.3551 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 75
37
Tensile Strength: Ultimate (UTS), MPa 720
330

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Specific Heat Capacity, J/kg-K 460
270
Thermal Conductivity, W/m-K 36
22
Thermal Expansion, µm/m-K 13
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.9
6.5
Embodied Water, L/kg 82
280

Common Calculations

Stiffness to Weight: Axial, points 14
8.4
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
14
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 9.8
13
Thermal Shock Resistance, points 21
41

Alloy Composition

Carbon (C), % 0.77 to 0.85
0
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 88.8 to 91.1
0
Manganese (Mn), % 0.15 to 0.35
0
Molybdenum (Mo), % 4.0 to 4.5
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0
Zirconium (Zr), % 0
99.7 to 100
Residuals, % 0
0 to 0.27