Niobium Bolt   Nb Bolt

We supply niobium bolts and parts for sale. Nb bolts used in aerospace, electronics, heat exchanger Petrochemical Industry, Corrosion and high temperature resistant industry etc.
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  • Specifications of Niobium Bolts / Nb Bolts
    * Materials:R04200,R04210
    * Standard: ASTM B393
    * Purity: 99.95% or 99.999%
    * Melting point : 2468℃
    * Boiling point : 4744℃
    * Surface treatment:Zin-plated, Plain or according to the requirement
    * Size: per customer's requests and drawing
    Features of Niobium Bolts / Nb Bolts:
    1) Good superconductivity material
    2) Higher melting point
    3) Better Corrosion Resitance
    4) Better wear-resisting
    Applications of Niobium Bolts / Nb Bolts:
    Medical equipment
    Petrochemical equipment
    Chemical Equipment
    Machining Field
    Corrosive-resistant equipment
    Shipbuilding
    Dimensions and Tolerance
    Hexagon   Bolt (unit:mm) 
    niobium bolt drawing

            d         M6        M8       M10       M12  
            P         1       1.25       1.5      1.75  
            S        10        13        17        19  
            K         4       5.3       6.4       7.5  
            d       M14       M16      M20       M22       M24
            P         2         2       2.5        2.5         3
            S        22        24       30        32        36
            K       8.8        10     12.5        14        15
            L       7-200

    If you are interested in our niobium bolts , please submit the webform below with the sizes . We will quote the latest price to you within one business day . Customization and bulk orders are our specialty.

  • Detailed informations :
    Spceial requirements if you need , please feel free to send us Email: shanghaimaterials@126.com .
    or submit the inquiry form in bottom  of this page.


    Chemical Composition  of Niobium RO4200 / RO4210
    Grade Nb Fe Si Ni W Mo Ti Ta O C H N
    Nb1 Bal 0.004 0.004 0.002 0.005 0.005 0.002 0.05 0.012 0.0035 0.0012 0.003
    Nb2 Bal 0.01 0.01 0.005 0.02 0.01 0.004 0.07 0.015 0.005 0.0015 0.008


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