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  • Shenzhen LEDSINO Optoelectronic Co.,Ltd. (China): Focus on electronic outdoor/indoor led display, rental led display, flexible led... https://www.ledsino.com


  • Niboium Seamless Tube - China

    price: check with company for price

    Niobium Seamless Tubing, 99.9%(3N5)-99.99%(4N), ASTM B394 Grade:RO4200, RO4210 Purity: 99.95%(3N5)-99.99%(4N) Surface: tube wall should be smooth, clean, greaseless, without fissure or burr, no no oxidation or hydrogenation, no scratch or transformation 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. Impurities 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


    Company Contact:


    • Phone: +8615814887696

    • Address: No.1 workshop, Caijiapo Economic Development Zone, Baoji-qishan, Shaanxi, China

    • Email: Email


    Published date: November 7, 2018 -

    • Business Description: We are manufacturing 3N5-4N tantalum ingot, tantalum plate, tantalum sheet, tantalum strip, tantalum foil, tantalum tube, tantalum rod, tantalum wire, tantalum sputtering targets, niobium ingot,niobium plate, niobium sheet, niobium strip, niobium foil, niobium tube, niobium wire, niobium rod, niobium sputtering target, niobium fabricated parts.

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