1.Specifications

Material: RO4200-1, RO4210-2
The Size of niobium bar : Diameter:φ1.0-100mm
Length:200mm-9000mm 
Standard: As per ASTM B394-98
Purity: >=99.9% or 99.95%

Surface: bright

 

Detailed informationGrade of Niobium bar

Grade	Suplying state	Diameter	Lengtha	Voluntary Standers
Nb1 Nb2 Nb3 Nb4	Cold state(Y) Annealedb(M)	3.0-6.5 >6.5-10.0 >10-18	>500	ASTM B392-03
	Thermal processing state(R) Annealedb(M)	>18-25 >25-40 >40-50 >50-65
FNb1 FNb2	Thermal processing state(R) Annealedb(M)	3.5-5.0 >5.0-12	>500 >300
NbHf10-1	Thermal processing state(R) Annealedb(M)	20-80	500-2000
Note : the length of Annealing Niobium bar being supplied is not greater than 2500mm.

2.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

3. 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)

 

 

4.Application:

(1).widely used for steel, ceramics, electronics, nuclear energy   industries and superconductor technology.

(2).For super  condouctous ,metled cast ingots and alloying agents

5. Advantage of our Nb bar

1). Competitive price. 

2). Our strengths over other suppliers.

3). Reliable quality on the base of  the same price.

4). Timely delivery as your as your requirements.

5).Professional service to cut much purchasing costs down.

 

6.Package details:
First, packaging with moisture-proof paper
Second, packaging with kraft paper

Third, packaging with foam plastics in all side of plywood case.
Finally packing products in plywood case 

7. Transportation:
Shipping goods by TNT,DHL,Fedex,UPS,EMS  etc. 
Transport goods to Beijing or Shanghai air port by air transportation

 

 

 

 

 

first-classs production equipment