High Purity Niobium Bar Rod

Product Description

Overview

High Purity Niobium Bar Rod is a high-purity cylindrical metal material with metal niobium as the main component, with a high melting point, excellent corrosion resistance, good ductility, and superconductivity, and is widely used in high-end fields such as aerospace engine components, nuclear reactor materials, superconducting magnets, and chemical corrosion-resistant equipment manufacturing. We have many years of professional experience in the R&D and export of non-ferrous metals, and can provide customers with customized precision-machined parts, and also have ISO9001 quality certificates. If you are interested in our products, please feel free to contact us by email.

Niobium Bar Advantages

• With a melting point of 2468°C, it still maintains good mechanical properties at high temperatures, suitable for high-temperature structures and hot-end components, and has better thermal stability than most metals.
• The room temperature is stable in air, water, acid/alkali, and Nb₂O₅ passivation film is formed on the surface. Insoluble in aqua regia, only soluble in hydrofluoric acid, suitable for a strong corrosive chemical environment.
• Forms a dense oxide film at high temperature and has good oxidation resistance. It has good high-temperature strength and creep performance, and is suitable for aerospace high-temperature structures.
• Pure niobium and niobium alloys exhibit superconductivity at low temperatures and have a high critical temperature, making them key materials for MRI, accelerators, and scientific research superconducting devices.
• The hot neutron capture cross-section is low, and the absorption of neutrons is low, making it suitable for the internal structure, fuel cladding, and control components of nuclear reactors.
• When the purity is high, it has excellent plasticity and can be processed into rods, wires, and strips at room temperature, and its processing performance is better than that of tungsten, molybdenum, and other refractory metals. It is easy to make precision parts.

High Purity Niobium Bar Rod Dimension

Niobium Rods Application

1. Aerospace

Niobium bars are used in the production of high-temperature components for aircraft and rocket engines, primarily for rocket heat shields and spacecraft thermal protection systems, protecting spacecraft from high-temperature damage during high-speed flight.

2. Electronics Industry
The niobium pentoxide thin film formed on the surface of niobium rods possesses excellent dielectric properties, used to manufacture miniaturized, high-capacity niobium electrolytic capacitors. These capacitors are used for energy storage, filtering, and voltage regulation in aerospace electronic equipment, particularly suitable for applications with high requirements for size and reliability.

3. Superconductivity
Niobium enters a superconducting state at extremely low temperatures, used for superconducting wiring and coils in particle detectors for cryogenic quantum computers and high-energy physics experiments.

4. Chemical Industry
Niobium round bars are used to manufacture equipment such as chemical reactors, heat exchangers, and digesters due to their excellent performance in corrosive media such as strong acids and alkalis.

5. Nuclear Industry
Niobium, due to its low thermal neutron capture cross-section, is used to manufacture structural materials for nuclear reactors.

6. Medical Equipment
Niobium rods are used to manufacture medical implants such as bone plates, bone screws, and dental implants due to their good biocompatibility and corrosion resistance. Niobium has good resistance to physiological corrosion and biocompatibility, and after implantation, it can form osseointegration with the surrounding new bone.

Processing

(1) The initial blank with uniform composition and high purity is usually obtained by melt casting.

(2) High-temperature forging and rolling change the shape of the ingot billet, refine the internal grain, and improve the mechanical properties of the material.

(3) Heat treatment runs through all stages of plastic processing and is used to regulate the microstructure and properties of materials.

(4) Precision grinding or turning to obtain extremely high dimensional accuracy and finish of finished bars.

(5) Polishing, pickling, or sandblasting the surface of the bar to improve appearance and corrosion resistance.

(6) Conduct comprehensive testing of the finished product, including chemical composition analysis, mechanical property testing, ultrasonic flaw detection, and dimensional tolerance measurement, to ensure that each bar meets strict international standards.

High Purity Niobium Bar Rod Pictures

Packing