High quality niobium wire ASTM B392

1.High quality, workability 2.Delivery as demand 3.Good quality with ISO certificate 4.Made-to-order service available

High quality niobium wire ASTM B392  

1. Standard: ASTM B392 R04200, R04210, R04261

2. Purity : 99%~99.95%

3. Density: 8.6g/cm3 

4. Certificate: ISO9001

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

6. Dimensions and tolerance(According to clients’ requirements).

Size: DIA 0.25 ~ DIA 3mm

Mechnical properties

Grade(UNS)	Annealed
	Tensile strength min, psi (MPa)	Yield strength min,psi (MPa)	Elongation min, % (1 inch gage length)
R04200, R04210	18000 (125)	10500 (73)	25
R04251	28000(195)	18000(125)	20
R04261	28000(195)	18000(125)	20

 Chemical Requirements

Content, Max, Weight %
Element	R04200 Unalloyed Niobium	R04210 Unalloyed Niobium	R04251 (Reactor grade niobium-1% Zirconium)	R04261 (Commercial grade niobium-1% Zirconium)
C	0.010	0.010	0.010	0.010
O	0.015	0.025	0.015	0.025
N	0.010	0.010	0.010	0.010
H	0.0015	0.0015	0.0015	0.0015
Fe	0.005	0.010	0.005	0.010
Mo	0.010	0.020	0.010	0.050
Ta	0.100	0.300	0.10	0.5
Ni	0.005	0.005	0.005	0.005
Si	0.005	0.005	0.005	0.005
Ti	0.02	0.03	0.02	0.03
W	0.03	0.05	0.03	0.05
Zr	0.02	0.02	0.8~1.2	0.8~1.2
Nb	Remainder	Remainder	Remainder	Remainder