{"id":5180,"productCode":"WRNB4CS0003N5","chemicalCode":"Nb","name":"Niobium metal","customName":null,"otherNames":"","formula":"Nb","purity":99.95,"form":"WR","size":"4 mm dia. x Continuous","composition":"","description":"","productionMethod":"","bulkAvailable":null,"productionStatus":"CO","hazmat":null,"status":null,"repackage":false,"priceBase":"","quantityBase":"pcs/kg","bulkAvailability":false,"inProduction":"","factoryCode":"","publicComments":"High tensile, annealed, ASTM B392-03","privateComments":"No ex. stock lot found","chemicalCodeLetters":null,"image":null,"sizeData":"{\"formSize\":\"167\",\"size_form\":[{\"input_value\":\"4\"},{\"select\":{\"value\":\"mm\",\"options\":[{\"value\":\"mm\",\"text\":\"mm\"},{\"value\":\"inch\",\"text\":\"inch\"}]}},{\"text\":\"dia. x Continuous\"}]}","isLocked":false,"isSearchable":true,"storedLocation":null,"chemicalId":798,"old_chem_id":null,"createdAt":"2018-03-12T18:56:35.000Z","updatedAt":"2018-03-12T18:56:35.000Z","deleted":false,"deletedAt":null,"userChangedById":null,"hts":null,"Chemical":{"id":798,"formula":"Nb","productLetters":"NB","name":"Niobium","otherNames":"Niobium metal","cas":"7440-03-1","einecs":"231-113-5","hazmat":"Powder: 4.1 PGIII UN3089","data":"","applications":[{"title":"Alloying","description":"Niobium is used as a critical alloying element in superalloys for jet engines and heat-resistant equipment, as well as in high-strength low-alloy (HSLA) steels."},{"title":"Sputtering","description":"Niobium sputtering targets are utilized to create thin films for microelectronic components, surface acoustic wave filters, and superconducting layers."},{"title":"Optical coating","description":"Niobium and its oxides are deposited via evaporation or sputtering to create high-refractive-index layers in optical interference filters and anti-reflective coatings."},{"title":"Evaporation materials","description":"High-purity niobium pellets and wire are used as evaporation materials in physical vapor deposition processes to form superconducting thin films."},{"title":"Refractory chemicals","description":"Due to its high melting point and resistance to corrosion, niobium is classified as a refractory metal used in chemical processing equipment and high-temperature vacuum furnaces."}],"publicComments":"","privateComments":"Niobium is a rare metal with a wide range of applications in various industries. Its uses include aerospace applications, superconductors, steel production, nuclear energy, medical implants, and electronics. Niobium's unique physical and chemical properties make it highly valuable for its high strength, low density, resistance to corrosion, and biocompatibility.","specialNotes":null,"specialNotesProduct":false,"sds":"public/sds/Nb.pdf","smiles":null,"inchi":null,"inchiKey":null,"molecularWeight":null,"iupac":null,"eccn":null,"hts":null,"atomicNumber":41,"atomicWeight":"92.90637 u","meltingPoint":"2477 °C","boilingPoint":"4744 °C","density":"8.57 g/cm³","crystalStructure":"Body-centered cubic","colorAppearance":"Gray metallic","thermalConductivity":"53.7 W/(m·K)","electricalResistivity":"152 nΩ·m","coefficientOfExpansion":"7.3 µm/(m·K)","electronegativity":"1.6","neutronCrossSection":"1.1 barns","electronConfiguration":"[Kr] 4d4 5s1","createdAt":"2023-05-08T18:21:45.000Z","updatedAt":"2026-04-28T21:19:22.691Z","deleted":false,"deletedAt":null,"userChangedById":null,"customContent":null,"displayFormula":null,"bottomText":null,"isAiData":true,"isHazmatAsPowder":false,"hazmatAsPowder":null,"tags":[{"id":17,"name":"Infrared Optical Materials","link":"optics_ir_chemical","type":"chemical"},{"id":58,"name":"Semiconductor","link":"semiconductor_chemical","type":"chemical"},{"id":95,"name":"Superconductor","link":"superconductor_chemical","type":"chemical"},{"id":296,"name":"Specialty Inorganics","link":"specialty_inorganics_chemical","type":"chemical"},{"id":308,"name":"3D Printing","link":"3d_printing_chemical","type":"chemical"},{"id":419,"name":"Refractory Metals and Compounds","link":"refractory_chemicals","type":"chemical"},{"id":420,"name":"Evaporation Deposition Materials ","link":"evaporationdepositionmaterials_chemicals","type":"chemical"},{"id":421,"name":"Optical Coating Materials","link":"opticalcoatingmaterials_chemicals","type":"chemical"}]},"userChangedBy":null,"ProductPrice":[],"Vendor":[],"tags":[{"id":10,"link":"wire_product","name":"Wire","description":"","text":null,"image":null,"icon":null,"type":"product","toShowOnMainPage":false,"showImageAndDescription":true,"createdAt":"2024-08-12T22:58:50.192Z","updatedAt":"2025-03-21T19:08:28.627Z","deletedAt":"2025-03-21T19:08:28.627Z","userChangedById":null}],"favorites":[]}