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Reactor Grade Zirconium vs. SAE-AISI T8 Steel

Reactor grade zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI T8 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is reactor grade zirconium and the bottom bar is SAE-AISI T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
78
Tensile Strength: Ultimate (UTS), MPa 330
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
420
Thermal Conductivity, W/m-K 22
18
Thermal Expansion, µm/m-K 5.9
12

Otherwise Unclassified Properties

Density, g/cm3 6.5
9.0
Embodied Water, L/kg 280
120

Common Calculations

Stiffness to Weight: Axial, points 8.4
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 14
24 to 66
Strength to Weight: Bending, points 16
21 to 41
Thermal Diffusivity, mm2/s 13
4.8
Thermal Shock Resistance, points 41
24 to 66

Alloy Composition

Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0
69.3 to 75.4
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4
Zirconium (Zr), % 99.7 to 100
0
Residuals, % 0 to 0.27
0