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| Material: | Niobium Ingot ASTM B391 | Technology: | Annealing, Cold Rolling, Cold Drawing |
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| Property: | Heat-resistant, Corrosion Resistant, Good Ductility | Diameter: | φ 2.0-100mm |
| Thickness: | 0.2-5.0mm | Length: | 200mm-9000mm |
| Delivery Time: | 2-3weeks | Boiling Point: | 4742 ℃ |
| Melting Point: | 2468 ℃ | Manufacturing Standard: | ASTM B394-98, |
| High Light: | nb pipes,nb tube |
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Niobium Welded Pipe , Niobium Tubes , RO4200, RO4210, ASTM B394-98
Application: To be used for manufacturing high sodium lamps, aerospace and aviation industry, structural material for engine, reactor for chemistry, heat exchanger tube, built-in component of reactor and coating material.
Grade:RO4200, RO4210
Purity: 99.9%(3N)
Surface: tube wall should be smooth, clean, greaseless, without fissure or burr, no no oxidation or hydrogenation, no scratch or transformation
The process of welded Tube/Pipe is Fit for mass production, the advantages of welded tantalum tube are listed as below:
Specifications
Metallic impurities, ppm max by weight, Balance – Niobium
| Element | Fe | Mo | Ta | Ni | Si | Ti | W | Zr |
| RO4200-1 | 40 | 50 | 500 | 20 | 40 | 20 | 50 | 200 |
| RO4210-2 | 100 | 100 | 700 | 50 | 100 | 40 | 200 | 200 |
Non-Metallic impurities, ppm max by weight
| Element | C | H | O | N |
| RO4200-1 | 35 | 12 | 120 | 30 |
| RO4210-2 | 50 | 15 | 150 | 80 |
Mechanical properties for annealed tube/pipe,
| Ultimate Tensile Strength (MPa) | 125 |
| Yield strength (0. 2% offset) min, psi (MPa) | 59 |
| Elongation(%, 1-in gage length) | 25 |
Description
We produce R04200, R04210 seamless tubes/pipes, welded tubes/pipes, capillary tubes which meet ASTM B 394-98 standard and the sizes can be customized as per your required dimensions. We will do our best to fulfill customers' needs and markets' demands by providing a great variety of customized products. Taking advantages of our high quality niobium oxide raw material, advanced equipment, innovative technology, professional team, we tailored your required products. You may tell us all your requirements and we dedicated in manufacturing upon your needs.
The size can be tailored by the customers’ requirements. We control our products quality through the raw material source till the whole production line and finally deliver to our customers in order to make sure you purchase our products with stable and same quality for each lot. Our QC control our products quality through the raw material source till the whole production line and finally deliver to our customers in order to make sure you purchase our products with stable and same quality for each lot. They use Metallographic microscope, Hand-held X ray Fluorescence, Electronic tensile testing machine etc. instruments and tensile test to inspect the material and products and issue the COA for each lot. We have been certified by ISO9001:2015.
Contact Person: sales
