
Physical properties
Basic parameters:
Melting point: 2468 ℃, can withstand 1650 ℃ at high temperatures and maintain strength.
Boiling point: 4742 ℃, density: 8.57-8.6 g/cm ³.
Conductivity: Excellent conductive material with low thermal neutron capture cross-section, suitable for the nuclear industry.
Superconductivity: Near zero resistance at -260 ℃, it is an important superconducting material.
Processing characteristics:
Ductility: High purity niobium has excellent ductility, and an increase in impurities can lead to an increase in hardness.
Low temperature plasticity: can be cold processed into rod, sheet, wire and other forms.
Chemical properties
Corrosion resistance:
Stable to air at room temperature, insoluble in aqua regia, and resistant to acid and alkali corrosion.
At high temperatures, it can directly react with sulfur, nitrogen, and carbon to form alloys.
Technical parameters
1. Product standard:
national standard: GB/T 3630-2006; American standard: ASTM B393-05.
Purity: ≥ 99.95%.
Status: annealed or hard state.
2. Size specifications:
Niobium plate thickness: 0.15-6.0mm, width: 50-300mm, length: 50-1000mm.
Surface requirements for niobium rods: no defects such as cracks, folds, or residual oxides.
3. Manufacturing process:
Rolling technology is the main process, which can be combined with hot processing or cold processing.
Application Fields
Electronic industry: high-frequency capacitors, inductors, vacuum tube components.
Aerospace: thermal protection materials, structural alloys.
Superconducting materials: used in low-temperature superconducting scenarios such as magnetic resonance imaging and particle accelerators.
Chemical equipment: acid and alkali resistant reaction vessels, pipelines.
Summary
Niobium plate has high melting point, superconductivity, and corrosion resistance as its core advantages. Its technical parameters cover high purity, diverse sizes, and strict processing standards, and it is widely used in high-precision and cutting-edge industrial fields.