Zirconia Nozzles

• High-purity zirconia (>95%) stabilised with oxides such as MgO, Y₂O₃, CeO₂, and CaO
• Exceptional resistance to thermal shock and erosion
• High mechanical strength for extended operational life
• Dimensional precision for consistent steel flow
• Reduced risk of freeze-offs and clogging
• Customisable designs for specific casting requirements
• Optimised for: Long-sequence casting of low, medium, and high-carbon steels

• Ultra-Precise Dimensional Accuracy – ensures uniform steel flow
• Outstanding Resistance to Erosion & Thermal Shock – advanced oxide stabilization prevents cracking under rapid cooling
• Optimized for Extreme Conditions – reliable under high temperatures and pressures
• Minimized Freeze-offs & Clogging – ensures uninterrupted casting operations
• Adaptable to Short or Long Sequences – suitable for diverse manufacturing needs
• Superior Thermal Shock Resistance – withstands sudden temperature fluctuations
• High Mechanical Strength – maintains structural integrity under heavy loads
• Extended Operational Life – reduces downtime and maintenance costs

• Continuous casting of steel in tundish operations
• Long-sequence casting processes
• Powder metallurgy atomization
• Production of nickel, cobalt, stainless steel, and superalloy powders
• Automotive, aerospace, and medical metal powder manufacturing

• Fixed Nozzles for Mini Mills – High-alumina or alumina-magnesia outer bodies with zirconia inserts, precision-pressed for durability and wear resistance.
• Exchangeable Nozzles for Tundish Mechanisms – Compatible with NCM, CNC, MNC, CNM, FNC, ONQC, and more; enables in-process nozzle replacement without halting production.
• Zirconia Inserts & Full-Body Zirconia Nozzles – Inserts for composite systems or monolithic full-body designs for maximum wear life.
• Precision Zirconia Atomizing Nozzles – Designed for powder metallurgy applications, including:
  • Metal atomization of nickel, cobalt, stainless steel, and superalloys
  • High-purity metal powder production for automotive, aerospace, and medical industries
  • Casting for critical alloy manufacturing

We provide comprehensive refractory solutions, including:

• Design: Custom design, testing, and optimization by our expert technical team
• Installation Support: On-site guidance for precise installation and safety compliance
• Performance Monitoring: Post-installation analysis to maximize nozzle life and process efficiency
• Environmental Consulting: Guidance on reducing CO₂ emissions through optimized refractory use and recycling programs
• Global Supply Chain: Reliable worldwide delivery with minimal lead times.

Our Precision Zirconia Atomizing Nozzles are engineered specifically to meet the demanding requirements of modern powder metallurgy, where consistency, thermal stability, and long service life are critical for achieving superior powder characteristics.

• Exceptional thermal shock resistance
• High-temperature strength and corrosion resistance
• Superior wear resistance under high-velocity metal flow
• Low wettability with molten metals

These properties make zirconia nozzles ideal for producing cleaner, finer, and more uniform metal powders with reduced contamination risk.

• High Thermal Stability: Designed to withstand extreme molten metal temperatures, ensuring uninterrupted atomization with minimal erosion or cracking.
• Precision Bore Accuracy: Tight dimensional control ensures a uniform metal stream, stable spray pattern, improved powder morphology, and reduced variation in particle size distribution (PSD).
• Extended Nozzle Service Life: High-grade zirconia composition enhances nozzle life, reducing shutdowns, replacement costs, and production downtime.
• Low Contamination Risk: Zirconia’s chemical inertness ensures powder purity, improved material quality, and greater batch-to-batch consistency.
• Tailor-Made Designs: Available in multiple bore sizes (3.0, 4.2, 4.6, 4.8, 5.0, 5.2, 5.4, 5.6, 5.8, 6.0, 6.2, 6.6) geometries, and flow rate configurations. Custom solutions can be provided based on atomizer design and powder specifications.

Suitable for atomizing:

• Iron & steel powders
• Copper & bronze
• Nickel & cobalt alloys
• Aluminium
• Special & high-performance alloys