Specifications

pipe
1.Material:niobium
2.Dia:1.0-100mm ;Thickness:0.2-5.0mm ;Length:200mm-6000mm
3.Pure:99.95%(min)

pipe

1.Products Information

   1.Material:niobium
   2.Dia:1.0-100mm ;Thickness:0.2-5.0mm ;Length:200mm-6000mm
   3.Pure:99.95%(min)

4.Surface:polished,burnishing

5.Application: chemcial industry, electronics, electric light, rare earth

Mechnical properties

Grade(UNS)	Annealed
Grade(UNS)	Tensile strength min, psi (MPa)	Yield strength min,psi (MPa)	Elongation min, % (1 inch gage length)
R04200	18000 (125)	10500 (73)	25
R04210 Welded	18000 (125)	8500 (59)	25
R04210 Seamless	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

2.Production Display