niobium tube

Detailed Product Description

Our company specializes in producing and saling high quality niobium(Nb) and its alloy plate, sheet, foil, strip, rod, bar, wire, tube and pipe according to ASTM specifications.

We supply various quality Niobium  products as the below: 

Niobium tubes Niobium alloy tubes :

Material: RO4200-1, RO4210-2

Size:    Diameter:   φ1.0-150mm

        Thickness:   0.2-5.0mm

        Length:     200mm-6000mm                             

Standard: As per ASTM B394-98

Purity:  ≥99.9%  or  99.95%

    Table.1 Chemical composition:

Chemistry                                                                %
Designation	Chief component		Impurities   maximum
	Nb	Fe		Si	Ni	W	Mo	Ti	Ta	O	C	H	N
Nb1	Remainder	0.004		0.003	0.002	0.004	0.004	0.002	0.07	0.015	0.004	0.0015	0.002
Nb2	Remainder	0.02		0.02	0.005	0.02	0.02	0.005	0.15	0.03	0.01	0.0015	0.01

   Table 2. Mechanical requirements (annealed condition)

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