Description

Niobium Carbide is a refractory ceramic material known for its exceptional hardness, high melting point, and excellent chemical stability. This compound is critical for enhancing the wear resistance, thermal stability, and overall performance of advanced materials in demanding industrial environments. It is primarily utilized in the manufacturing of cutting tools, wear-resistant coatings, and specialized components within the metallurgical, aerospace, and electronics sectors.

Application

• As a hard phase additive in cemented carbides and cermets for cutting tools and mining equipment.
• In the production of wear-resistant and corrosion-resistant coatings for industrial components.
• As a grain growth inhibitor in tungsten carbide-cobalt (WC-Co) hardmetals to improve mechanical properties.
• For the manufacture of crucibles, nozzles, and other high-temperature furnace parts.
• In the development of superalloys for aerospace and power generation turbines.
• As a potential reinforcement material in metal matrix composites (MMCs).
• In specialized electronic and sputtering targets for thin-film applications.

Basic Information

Product Name	Niobium Carbide
CAS No.	12069-94-2
Molecular Formula	NbC
Molecular Weight	104.92 g/mol
Synonyms	Niobium(IV) carbide; Columbium carbide; Niobium monocarbide; Niobium carbon alloy; NbC powder; Refractory niobium carbide; Hard metal grade niobium carbide
EINECS	235-117-8

Quality Control

Our Niobium Carbide is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure compliance with precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, particle size distribution, and impurity levels is provided with every shipment to guarantee traceability and performance consistency for your applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). The product is stable under normal storage conditions but should be kept away from strong acids and strong oxidizing agents. Minimize exposure to moisture to prevent caking.

Specification

Item	Specification
Identification (XRD)	Conforms to NbC structure
Assay (NbC)	≥ 99.0%
Total Carbon	11.0 - 11.5%
Free Carbon	≤ 0.2%
Oxygen	≤ 0.5%
Nitrogen	≤ 0.1%
Iron (Fe)	≤ 0.05%
Particle Size (D50)	1 - 5 µm (other grades available)
Appearance	Gray to black powder

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