Niobium Tube

Description:

Grade: RO4200-1, RO4210-2
Standard: ASTM B392-98
Standard size: diameter 0.25~3 mm
Purity: Nb>99.9% or >99.95%

Application:

Due to niobium’s high melting point, corrosion resistance, cold processing and good performance characteristics, niobium wire is widely used in chemical, electronic, aviation and aerospace fields.

Specification:

Diameter, inch (mm)	Tolerance, +/-inch (mm)
0.010~0.020  (0.254~0.508)	0.0005 (0.013)
0.020~0.030  (0.508~0.762)	0.00075 (0.019)
0.030~0.060  (0.762~1.524)	0.001 (0.025)
0.060~0.090  (1.524~2.286)	0.0015 ( 0.038)
0.090~0.125  (2.286~3.175)	0.002 (0.051)

Chemical Composition:

Grade	Chief Component	Maximum Impurities (ppm)
	Nb	Ta	Si	Ni	W	Mo	Ti	Fe	O	C	H	N
Nb1	Balance	<700	50	50	50	30	20	50	150	40	15	30
Nb2	Balance	<1000	80	40	100	100	40	80	180	60	15	50

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