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Niobium Rod / Niobium Ingot

Specification for Niobium Rod / Niobium bar

Material: R04200-Type 1 -Reactor grade unalloyed niobium
R04210-Type 2 -Commercial grade unalloyed niobium
R04251-Type 3—Reactor grade niobium alloy containing 1 % zirconium
R04261-Type 4—Commercial grade niobium alloy containing 1 % zirconium
R40220-Type 5 -RRR grade pure niobium
Diameter: 3~120mm diameter
Standard: As per ASTM B392-98
Purity: >=99.9%, 99.95%

Chemical composition for Niobium Rod/ Niobium bar:

Composition%
De Main Content Impurities (≤ %)
Nb Fe Si Ni W Mo Ti Ta O C H N
Nb1 Remainder 0.004 0.004 0.002 0.005 0.005 0.002 0.05 0.012 0.0035 0.0012 0.003
Nb2 Remainder 0.01 0.01 0.005 0.02 0.01 0.004 0.07 0.015 0.0050 0.0015 0.008

Mechanical requirements (annealed condition) for Niobium Rod / Niotbium bar:

Grade Tensile strength,δb psi (MPa), ≥   Yield strength,δ0.2,  psi (MPa), ≥ Elongation in 1"/2" gage length, %, ≥
R04200-1 R04210-2 18000 (125) 10500 (73) 25   
Special requirements of niobium rod to be agreed on negotiations

Related Niobium Products

Niobium Wire           Nibium Tubing              Noibium Sheet             Niobium Mesh               

 Niobium  Parts        Niobium ZIrconium      Niobium Titanium        Niobium Powder        Niobium Oxide

 

 

 

 



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