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Niobium rod

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Product detail

Product：Niobium rod
Grade：Nb1.Nb2
standerd：GB/T14842-2007
purity：≥99.95%
specification：Φ3.0~Φ100mm
Chemical composition：

Grade		Nb1	Nb2	NbZr1	C-103	Cb752
Element Content (Quality Fraction%)	Zr	0.02	0.02	0.8~1.2	0.7	2.0~3.0
	Ti	0.002	0.005	0.02	0.7~1.3	0.2
	C	0.01	0.02	0.01	0.015	0.015
	N	0.015	0.05	0.01	0.015	0.01
	O	0.015	0.025	0.015	0.023	0.02
	H	0.001	0.005	0.0015	0.002	0.0015
	Ta	0.10	0.25	0.10	0.5	0.5
	Fe	0.005	0.03	0.005	-	-
	Si	0.005	0.02	0.005	-	-
	W	0.03	0.05	0.03	0.5	9.0~11.0
	Ni	0.005	0.01	0.005	-	-
	Mo	0.010	0.05	0.01	-	-
	Cr	0.002	0.01	0.002	-	-
	Hf	-	-	-	9.0~11.0	0.2
	Nb	reminder	reminder	reminder	reminder	reminder

2、Diameter and Tolerance：

3: Mechanical properties:

Grade	Diametre/mm	Tensile strength，min.psi（MPa）	Bending strengthσ_s /MPa	ElongationA / %
Nb1/NB2	3~18	≥125	≥85	≥25

Application：Niobium and niobium alloy rod, wire has high melting point, corrosion resistance, good cold

working propertiesand other characteristics, widely used in chemical, electronics, aviation and aerospace

and other fields. Niobium and niobium alloy bars are used as structural materials of aircraft engines and

rocket nozzles,reactor internal components and sheath materials,production resistant to nitric acid,

hydrochloric acid or sulfuric acid corrosion conditions under a variety of corrosion-resistant components.

Adding zirconium niobium materials can significantly improve oxidation resistance and strength, niobium and

niobium-zirconium alloy wire is extensively used to manufacture high-pressure sodium lamps and electrolytic

capacitor anode lead.Appearance Quality: cold and annealed bar surface should be free of cracks, no folds,

No porosity, metallic and non-metallic inclusions,heavy leather, residual lubricants, oxides and other dirt.

Thermal processing state bar surface should be free of cracks, folds, re-skin and other effects subsequent

processing defects.

Please contact our sales:
Beijing Orient Tantalum Niobium co.,ltd
Tel :86-10-56945984

Fax :86-10-57228751