Specifications

Item: Niobium robs and bars
diameter(mm):3.0-6.5 length(mm):>500 and so on
Grade:Nb1 Nb2 Nb3 Nb4, FNb1 FNb2, NbHf10-1

1.Material:  RO4200-1, RO4210-2

2.Size:      4~100mm

3.Standard:  As per ASTM B392-98

4.Purity:        >=99.9%  or  99.95%

5. Grade: Nb1,Nb2

6 Characteristic:

    Melting Point: 2468°C

    Boiling Point :4742°C

    Density: 8.57g/cm3

7. Certificate: ISO9001

8. Product Feature: High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion..

9.Application:widely used for steel, ceramics, electronics, nuclear energy   industries and superconductor technology.

Chemical Element (weight %, max.)
UNS	Type	C	O	N	H	Ta	Fe	Ti	W	Mo	Si	Ni	Zr	Nb
R04210	Pure	0.004	0.015	0.003	0.0015	0.05	0.004	0.002	0.005	0.005	0.004	0.002	/	Bal.
R04261	Nb-Zr	0.004	0.015	0.003	0.0015	0.05	0.004	0.002	0.005	0.005	0.004	0.002	1.00	Bal.
/	Nb-Zr	0.004	0.015	0.003	0.0015	0.05	0.004	0.002	0.005	0.005	0.004	0.002	10.0	Bal.

 

 

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

 

 

 

 

 

 

 

 

 

Customized are welcome, and please feel free to contact us for more information. Our motto is to provide you the best product and service.

Hengxin Metal is specialized in supplying high purity tantalum niobium zirconium titanium and other refractory metal and their semi-finished products such as plate, sheet, rod, tube, wire, fasteners, crucible, sputtering target, etc. for chemical, high temperature, electronics and other industy.

 

Pure metal: Niobium (99.9%, 99.95%), Tantalum (99.9%, 99.95%)

Alloy: Nb-1%Zr, Nb-10%Zr, Nb-47%Ti, Ta-2.5%W, Ta-10%W

Shape: rod, bar, plate, sheet, foil, tube, wire, crucible, boat, fastener, sputtering target, customer-design shape

Standards: ASTM B392, 393, 394, ASTM B708, 365, 521...

 

Our Advantage

 

1.  Our strengths over other suppliers. 

 

2. Reliable quality on the base of  the same price.

 

3. Competitive price

 

4. Professional service to cut much purchasing costs down..

 

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

 

 welcome you arrive on any time and we are 

 

willing to become long-term partners!