Niobium crucible, also known as niobium cup, is mainly used in metallurgical industry, chemical industry, mechanical processing, glass and ceramic industry. It exhibits excellent high temperature stability and corrosion resistance. 
Edgetech provides top quality niobium crucibles/cups at competitive prices, with custom size options to meet specific requirements.
Niobium crucibles are designed to withstand extreme temperatures and harsh environments, making them an indispensable tool in industries such as metallurgy, electronics and advanced materials research.
Niobium Crucible/Niobium Cup Description
Niobium crucibles are known for their excellent thermal stability and resistance to high temperatures and corrosion, making them ideal for high temperature super alloy production and crystal growth processes. Their inertness ensures that they will not react with most acids and molten metals, providing consistent performance in harsh environments. These properties make niobium crucibles indispensable in scientific research and industrial applications where material purity and durability are critical.
Chemical Composition for Pure Niobium for crucible/cup
Composition% | ||||||||||||
Material | Main Content | Impurities (no more than %) | ||||||||||
Nb | Fe | Si | Ni | W | Mo | Ti | Ta | O | C | H | N | |
R04200 | Remaining | 0.004 | 0.004 | 0.002 | 0.005 | 0.005 | 0.002 | 0.05 | 0.012 | 0.0035 | 0.0012 | 0.003 |
R04210 | Remaining | 0.01 | 0.01 | 0.005 | 0.02 | 0.01 | 0.004 | 0.07 | 0.015 | 0.0050 | 0.0015 | 0.005 |
Specifications for Nb crucible
Size | OD: 0.5”-8.0” H: 0.5”-6.0” |
Material | R04200, R04210 |
Standard | ASTM B392 |
Density | 8.57 g/cm3 |
Form | Niobium Cylindrical crucible, conical crucible, seamless crucible, welded crucible, etc., |
*Can be customized upon request
Applications of Niobium Crucibles
Excellent high temperature performance up to 2400°C
Excellent corrosion resistance to molten metals and hot gases
Low thermal neutron absorption cross section
High thermal conductivity and low thermal expansion
Biocompatibility for special applications
Resistant to thermal shock and spalling
Niobium Crucible Packaging
Niobium crucibles will be carefully placed in wooden boxes or cartons with additional support from soft materials to prevent any shifting during transportation. This packaging method can guarantee the integrity of the product throughout the transportation process.
Edgetech Industries LLC provides pure niobium and niobium alloys in a wide variety of products:
Pure metal (R04200, R04210): niobium foil, sheet, strip, plate, rod, bar, wire, tube, pipe, ring, mesh, customized niobium parts (crucible, flange, fasteners), etc.
Niobium Alloys:
Niobium Zirconium Alloy: foil, sheet, plate, tube, rod, bar, wire, crucible, etc.
Niobium Hafnium Alloy: foil, sheet, plate, tube, rod, bar, wire, crucible, etc.
Other Niobium Products:
Platinized Niobium Mesh Anode, Platinized Niobium Wire, Rod, Plate and Mesh customized parts.
We supply shaped and machined parts in pure niobium metal, Niobium Zirconium Alloys, and Niobium Hafnium Alloys. Custom parts can be tailored according to drawings, please send your drawings to sales@edge-techind.com.