Description

Niobium Alloy, Base, Nb 50-70,Fe 20-48,Ta 2-7,Si 0-4,Al 0-2,C 0-0.3,Sn 0-0.2 (Astm A550) is a high-performance, multi-component alloy engineered for demanding high-temperature and corrosive environments. Its value lies in the synergistic combination of niobium's refractory properties with iron, tantalum, and other elements to enhance strength, oxidation resistance, and microstructural stability. This alloy is essential for manufacturers in the aerospace, chemical processing, and advanced energy sectors requiring reliable materials for critical components.

Application

• Aerospace Engine Components: Used in turbine blades, combustion chamber liners, and other hot-section parts requiring exceptional creep resistance and high-temperature strength.
• Chemical Processing Equipment: Ideal for reactor vessels, heat exchangers, and piping systems that handle highly corrosive media at elevated temperatures.
• Nuclear Industry Applications: Employed in structural components and fuel cladding materials due to its low neutron absorption cross-section and good radiation stability.
• Superconducting Magnet Systems: Serves as a structural reinforcement or matrix material in next-generation superconducting applications.
• High-Temperature Furnace Hardware: Used for fixtures, heating elements, and thermal shields in vacuum and controlled atmosphere furnaces.
• Wear-Resistant Coatings: Applied via thermal spray or other deposition techniques to protect surfaces from extreme wear, oxidation, and corrosion.

Basic Information

Product Name	Niobium Alloy, Base, Nb 50-70,Fe 20-48,Ta 2-7,Si 0-4,Al 0-2,C 0-0.3,Sn 0-0.2 (Astm A550)
CAS No.	11108-69-3
Molecular Formula	N/A (Alloy)
Molecular Weight	N/A (Alloy)
Synonyms	Niobium-Iron-Tantalum Alloy; Refractory Niobium Base Alloy; ASTM A550 Alloy; Nb-Fe-Ta-Si-Al Alloy; High-Temperature Niobium Alloy; Niobium Superalloy; Columbium Alloy (obsolete); Cb Alloy (obsolete)
EINECS	Contact for details

Quality Control

Our Niobium Alloy is manufactured and tested to meet the stringent requirements of ASTM A550 and other relevant material specifications. Quality assurance includes verification of chemical composition via advanced spectroscopic analysis (ICP-OES, XRF), assessment of mechanical properties, and evaluation of microstructure. Certificates of Analysis (COA) detailing lot-specific results are provided with every shipment to ensure full traceability and compliance.

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). To prevent surface oxidation or contamination, it is recommended to store the alloy under an inert atmosphere or in sealed packaging for long-term preservation. Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Metallic solid (ingot, rod, powder, or as specified)
Composition (Nb)	50 - 70 %
Composition (Fe)	20 - 48 %
Composition (Ta)	2 - 7 %
Composition (Si)	0 - 4 %
Composition (Al)	0 - 2 %
Composition (C)	≤ 0.3 %
Composition (Sn)	≤ 0.2 %
Standard	ASTM A550
Analysis Method	ICP-OES / XRF

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