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  •  
    Niobium Rod

    Description:

    Standard: ASTM B394-98
    Grade: RO4200-1, RO4210-2
    Purity: Nb >99.9% or 99.95%

    Application:

    1.Electronic industry Chemistry, electronical, Pharmaceu industry.
    2.for steel, ceramics, electronics, nuclear energy industries and superconductor technology;
    3.For super condouctous ,metled cast ingots and alloying agents.
    4.widely used in manufacturing various kinds of alloy steel, high temperature alloy, optical glass, cutting tool, electronics and superconducting materials and other industries.

  • Specification:

    We can supply seamless or welding niobium rod with good quality. Below are most of the standard sizes. If you do not see the size of niobium rod that you require, please feel free to contact us.

    Sizes/tolerance(mm.max)

    Diameter Diameter tolerance Length Tolerance
    Rotary forging bar Pull rod Car rod
    2.0-4.0 - ±0.5 - 500-3000 ±0.2
    ≥4.0-8.0 ±0.06 - - 50-3000 ±0.2
    ≥8.0-12.0 ±0.08 - - 50-3000 ±0.2
    ≥12.0-36 ±0.1 - - 50-1600 ±0.2
    ≥36-50 - - ±0.5 50-1400 ±0.2
    ≥50-65 - - ±0.5 50-1400 ±0.2

    Special requirements to be agreed upon by the supplier and buyer

    Chemical Composition:

    Grade Chemical composition, max
    Fe Si Mo W Ti Cr Ta Ni O C H N Nb
    Nb1 0.005 0.005 0.010 0.001 0.002 0.002 0.1 0.005 0.015 0.010 0.001 0.010 Balance
    Nb2 0.010 0.005 0.010 0.020 0.005 0.005 0.250 0.005 0.025 0.030 0.005 0.025 Balance

    Physical Property:

    Grade Tensile strength  δbpsi (MPa) ≥ Yield strength  δ0.2, psi (MPa) ≥ Elongation in 1″/2″ gage length, %, ≥
    >=0.010 <0.010
    RO4200-1 18000 (125) 12000 (85) 25 20
    RO4210-2

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