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Niobium Tube Description

Niobium Tube and Niobium Pipe are in gray metal color with high strength and conductivity. Niobium Tubes/Pipes are used in steel, ceramics, electronics, nuclear energy, and superconductors.

Many of our customers are labs or universities which use niobium tubing for its excellent superconducting properties. We can supply product in commercial grade, reactor grade and even RRR300 for advanced technology applications such as supercolliders.

The industry standard specification for niobium tube is ASTM B394 R04210 for commercial grade and ASTM B394 R04200 for reactor grade niobium tubing.

Item	Specification
Outer diameter:	Φ0.2～Φ300mm
Wall thickness:	0.015～0.5mm
Tolerance:	Outer diameter: Φ±0.003mm Wall thickness T±0.005mm Length: L±0.05mm

Chemical Composition

Composition%
Material	Main Content		Impurities (no more than %)
Material	Nb	Fe	Si	Ni	W	Mo	Ti	Ta	O	C	H	N
R04200	Remaining	0.004	0.004	0.002	0.005	0.005	0.002	0.05	0.012	0.0035	0.0012	0.003
R04210	Remaining	0.01	0.01	0.005	0.02	0.01	0.004	0.07	0.015	0.0050	0.0015	0.005