niobium rod

Detailed Product Description

Baoji Zhong Bang rare metal materials CO.,LTD holds Tantalum ,Niobium as the dominant products in the scope of rare metal new materials, including many sorts and grades of their metals, sheet, tube, wire ,rod ,crucible , target ,alloy and so on.

Niobium is an associated metal of tantalum ,characterized in high strength ,high conductivity ,resistance to corrosion by liquid base metals ,section with low neutron capture ,etc ,widely used for steel ,ceramics ,electronics ,nuclear energy industries and superconductor technology.

 

Niobium rods  Niobium alloy rods:

Material:  RO4200-1, RO4210-2

Size:      4~100mm

Standard:  As per ASTM B392-98

Purity:       ≥99.9%  or  99.95%

Table.1 Chemical composition:

Chemistry                                                                %
Designation	Chief component		Impurities    maxmium
	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

 

 

 

 

 

 

 

 

Special requirements to be agreed on by the supplier and buyer of negotiation