High purity niobium plates with best price

Sold By Baoji chengyi of non-ferrous metal co. LTD

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US $280.00

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Product Description

Product Name	niobium plates
Material	Pure niobium
Grade	RO4200.RO4210,R04251,R04261
Standard	ASTM B392
Surface	Polished
Characteristic	Melting point : 2468℃ / Boiling point : 4744℃
Density	8.6 g/cm3
Product Features	Excellent Corrosion Resistance , Good resistance to effect of heat

TABLE 1. Chemical Requirements:

Content, Max, Weight %
Element	Grand: R04200	Grand:R04210	Grand:R04251	Grand:R04261
Element	Unalloyed Niobium	Unalloyed Niobium	(Reactor grade niobium-1% Zirconium)	(Commercial grade niobium-1% Zirconium)
C	0.01	0.01	0.01	0.01
O	0.015	0.025	0.015	0.025
N	0.01	0.01	0.01	0.01
H	0.0015	0.0015	0.0015	0.0015
Fe	0.005	0.01	0.005	0.01
Mo	0.01	0.02	0.01	0.05
Ta	0.1	0.3	0.1	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

TABLE 2.Mechanical Requirements:

Grade(UNS)	Annealed
Grade(UNS)	Tensile strength min, psi (MPa)	Yield strength min,psi (MPa)(2%)	Elongation min, % (1 inch gage length)
R04200, R04210	18000 (125)	10500 (73)	15~20
R04251, R04261	28000 (195)	18000 (125)	15~20
R04220(RRR grade)	14000 (95)	7200 (50)	30