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        • Product Name  Niobium crucible
        • Views   67

        Commodity: Niobium crucible
        Purity: ≥99.9%

         

        Table.Ⅰ :Chemical composition:

         

        Chemistry                                                                PPM

        Designation

        Chief component

        Impurities    maxmium

        Nb

        Ta

        Si

        Ni

        W

        Mo

        Ti

        Fe

        O

        C

        H

        N

        Nb1

        Remainder

        700

        50

        50

        50

        30

        20

        50

        150

        40

        15

        30

        Nb2

        Remainder

        1000

        80

        40

        100

        100

        40

        80

        180

        60

        15

        50

         

        TableⅡ. Mechanical requirements (annealed condition)

         

         Grade

        Tensile strength  δbpsi (MPa), ≥  

        Yield strength  δ0.2, psi (MPa),≥

         Elongation in 1"/2" gage length, %, ≥

        RO4200-1

        RO4210-2

         18000 (125)

        12000 (85) 

        25 

         

        Niobium is used in the manufacture of products for diverse applications.
        In different forms, it could be used in the industry of synthetic diamonds, fiber optic or architectural glass, chemical engineering, superconductors, thin-film, reactors and high temperature vacuum furnaces and sodium vapor lamps.