Name: niobium tube/pipe
Brand : mxc
Model number:mxc2011
Material: RO4200-1,RO4210-2
Standard: ASTM B-394-98
Specification: (0.1~0.6)*(500~400)*Lmm
Manufactuer techniques:welded or seamless
Purity: >=99.9% or 99.95%
Condition:R/M/Y
Color: silver
Origin place: shaanxi,china
Delivery: within 15-30 days
Packing: wooden cases,plastic bag,gunny bag,or as customer's request
Application:Mainly used for high temperature furnace components, crucible, missile rockets nozzle high temperature furnace, etc.
Advantage:1.competitive price
2.high quality
3.prompt delivery
4.excellent after sale service
Detail description :
Niobium is a silver coloured metal which is generally found in conjunction with tantalum, the two elements being separated by fractional crystallisation of their respective fluoro-complexes. It has an abundance of 20 ppm in the earth's crust. As a pure metal, is very reactive and forms an extremely stable oxide when exposed to air which enhances its corrosion resistance. Niobium will react with a variety of non-metals at elevated temperatures.
Niobium and its alloys have high melting points and are, therefore, used in high temperature engineering products (for use at temperatures in excess of 1200C). It is also used as an alloying agent for certain steels where it greatly improves the strength of the resulting material. Niobium also finds applications in atomic reactors due to its corrosion resistance and, when combined with either tin (Nb3Sn) or zirconium, it has a high degree of superconductivity.
Chemical compositon: Feedback:
element | 1type RO4200 | 2type RO4210 | |
%wt (MAX) | |||
C | 0.01 | 0.01 | |
N | 0.01 | 0.01 | |
H | 0.0015 | 0.0015 | |
O | 0.015 | 0.025 | |
Zr | 0.02 | 0.02 | |
Ta | 0.1 | 0.2 | |
Fe | 0.005 | 0.01 | |
Si | 0.005 | 0.005 | |
W | 0.03 | 0.05 | |
Ni | 0.005 | 0.005 | |
Mo | 0.010 | 0.010 | |
Hf | 0.02 | 0.02 | |
Nb | Balance | Balance | |
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