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Hafnium Tube / Pipe

hafnium tube

Process and application of Hafnium Tube / Pipe

Processing performance of the Hafnium Tube / Pipe production is similar to its congener element Zirconium.
Because of its strong trapping capacity, Hafnium Tube / Pipe is used as a neutron absorber for the reactor control rod. The structure in the reactor is called the Hafnium control rod.

hafnium pipe

The nuclear grade Hafnium Tubes / Pipes have superior corrosion resistance property in reactor coolant.

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    • Properties of Hafnium Tube / Pipe

    Composition of atomic grade Hafnium Tube / Pipe (weight% ≤)
    Element Al B Cd C Cr Co Cu H Fe Pb Mg
    Content 0.0050 0.0005 0.0001 0.005 0.002 0.0012 0.005 0.003 0.01 0.002 0.002
    Element Mn Mo Ni N O Si Sn Ti W Zr 　
    Content 0.0012 0.0020 0.0012 0.007 0.07 0.0012 0.0012 0.0012 0.01 0.3 　
    Tensile properties of Hafnium Tube / Pipe at atomic energy level
    Test temperature/℃ Yield strength/MPa Tensile strength/MPa Elongation/%
    room temperature >200 >400 >22
    320 >150 >280 >35
    Corrosion properties of Hafnium Tube / Pipe at atomic energy level
    Serial number Surrosion/mg·dm-2 Surface status　
    Before corrosion After corrosion
    1 2.9 bright interference color
    2 3.3 bright interference color
    3 3.4 bright interference color