Description

Niobium (CAS NO 7440-03-1) is a lustrous, gray, ductile transition metal renowned for its exceptional resistance to corrosion and high-temperature stability. This material is critical for enhancing the mechanical properties and performance of advanced alloys and superalloys. It is an indispensable component for manufacturers in the aerospace, energy, and high-tech electronics sectors seeking superior material solutions.

Application

• Superalloy Production: A key alloying element in nickel-, cobalt-, and iron-based superalloys for jet engine components, gas turbines, and rocket subassemblies, providing essential high-temperature strength and creep resistance.
• High-Strength Low-Alloy (HSLA) Steels: Used in microalloying to refine grain structure and significantly improve the strength and toughness of steels for pipelines, automotive frames, and structural applications.
• Superconducting Materials: Essential in the manufacture of niobium-tin (Nb3Sn) and niobium-titanium (NbTi) superconductors for magnetic resonance imaging (MRI) systems, particle accelerators, and nuclear magnetic resonance (NMR) spectrometers.
• Electronics & Capacitors: Utilized to produce niobium pentoxide for the dielectric layer in solid electrolytic capacitors, offering stability and reliability in consumer electronics, telecommunications, and automotive circuits.
• Chemical Process Industry: Employed in the construction of heat exchangers, vessels, and piping systems that handle highly corrosive agents due to its outstanding resistance to acids and molten alkalis.
• Medical Implants: Used in biocompatible alloys for orthopedic and dental implants, leveraging its excellent corrosion resistance and compatibility with human tissue.
• Optics & Thin-Film Coatings: Sputtering targets made from high-purity niobium are used to deposit thin films on optical components and semiconductor devices.
• Nuclear Technology: Applied in nuclear reactors due to its low thermal neutron capture cross-section and good mechanical properties at elevated temperatures.

Basic Information

Product Name	Niobium
CAS No.	7440-03-1
Molecular Formula	Nb
Molecular Weight	92.906 g/mol
Synonyms	Columbium; Niobium metal; Niobium element; Niobium foil; Niobium powder; Niobium rod; Niobium wire; Nb
EINECS	231-113-5

Quality Control

Our niobium products are manufactured under strict quality management protocols to ensure batch-to-batch consistency and compliance with international standards. Each lot is subjected to rigorous analytical testing, including emission spectroscopy (ICP-OES) and inert gas fusion techniques, to verify purity and control trace metallic impurities. A Certificate of Analysis (COA) detailing all test results is provided with every shipment. We can supply material meeting various industry specifications, including ASTM standards for reactive and refractory metals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). For fine powders, store under an inert atmosphere such as argon to prevent surface oxidation. Isolate from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Gray metallic solid (lump, powder, rod, foil)
Assay (Nb)	≥ 99.8%
Trace Metallic Impurities (ICP-OES)	Contact for details
Oxygen (O)	≤ 500 ppm
Nitrogen (N)	≤ 100 ppm
Hydrogen (H)	≤ 50 ppm
Carbon (C)	≤ 150 ppm
Particle Size (for powder grades)	Customized (e.g., -100 mesh, -325 mesh)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.