Niobium Tube

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We provide niobium seamless tube, welded tube & pipe, and Nb capillary tube. Other niobium tubular products such as niobium ring are also available on request.

Niobium metal tube and pipe

Nb tubes

Nb tubes

Material Grade: R04200, R04210
Purity: 99.9% Niobium

Item Specification
OD Φ6.0-100mm
WT 0.2-5.0mm
Length 200mm-8000mm

 

Niobium Capillary Tube

 Niobium Capillary

Niobium Capillary

Grade: R04200, R04210
Purity: 99.9% Nb

Item Specification
Outer diameter: Φ0.2~Φ6mm
Wall thickness: T0.015~0.5mm
Tolerance: Outer diameter: Φ±0.003mm
Wall thickness T±0.005mm
Length: L±0.05mm

Chemical Composition for Niobium

Composition%
Material Main Content Impurities (no more than %)
Nb Fe Si Ni W Mo Ti Ta O C H N
R04200 Bal 0.004 .004 .002 .005 .005 .002 0.05 .012 .0035 .0012 .003
R04210 Bal 0.01 .01 .005 .02 .01 .004 0.07 .015 .0050 .0015 .005

Application for Nb tube
Nb capillary tube and Nb-Zr capillary tube is often used in high pressure sodium lamp production.

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