Standard ASTM B393 Niobium Foil , Niobium Non Ferrous Metal Alloys 0.1mm Thickness
Niobium Foil UNS RO4200, RO4210 Purity 99.95% Standard ASTM B393 0.1mm THK
Niobium Foil can be made according to standard ASTM B393 , material grade RO4200, RO4210 .
Niobium has good superconductivity, high melting point, corrosion resistance, wear resistance and other characteristics, and is widely used in steel, superconducting materials, aerospace, atomic energy and other fields
- Description
Niobium Foil
Product name: Niobium Foil
Standard: ASTM B393
Grade: RO4200, RO4210
Application: electronics, metallurgy, chemical, hard alloy cutters, aerospace and aviation.
Permissible variations in spec.
| Thickness (mm) | Width (mm) | Length (mm) | |
| Foil | 0.05~0.1 | 30~150 | >=200 |
| Sheet | 0.1~0.5 | 30~500 | >=200 |
| Plate | 0.5~15 | 50~1000 | >=200 |
Chemical Composition:
| Designation | Main Contents | Impurities maximum | ||||||||||
| Nb | Fe | Si | Ni | W | Mo | Ti | Ta | O | C | H | N | |
| Nb1 | Remainder | 0.004 | 0.003 | 0.002 | 0.004 | 0.004 | 0.002 | 0.07 | 0.015 | 0.004 | 0.0015 | 0.002 |
| Nb2 | Remainder | 0.02 | 0.02 | 0.005 | 0.02 | 0.02 | 0.005 | 0.15 | 0.03 | 0.01 | 0.0015 | 0.01 |
There are two processes in industry: direct carbon reduction and indirect carbon reduction. The niobium produced by direct carbon reduction is spongy with large surface area and low content of metal impurities and nitrogen, which is beneficial to the specific capacity of niobium powder. Therefore, the process is suitable for the production of capacitor grade niobium powder. The characteristics of indirect reduction are large production capacity of equipment, stable process, dense metal niobium bar and regular dimension, which are suitable for making niobium bar, niobium ingot and niobium processing material.
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