Products

Brief Introduction

Submerged Entry Nozzle(SEN)

refractory products--sub-entry nozzle

The AMR series of SENs are ISO-pressed products with special reinforcement at slag line. AMR SENs enjoy good reputation for excellent slag resistance, clog-proof, long life and safety etc. AMR has supplied SENs with fast-changeable system and SENs for thin slab casting for many customers worldwide, demonstrating reliable performance and long service life.


  Body Al2O3 Anti-clogging Slag line Bowl
Performance condition Preheating Non-Preheating Argon Non-Argon Non-carbon Z45 ZSP Material is same as the 
cooperative stopper
Chemical analysis
Al2O3 % ≥40.0 ≥45.0 ≥43.0   ≥65.0    
ZrO2 %       ≥35.0   ≥75.0 ≥65.0
C+SiC % ≥25.0 ≥20.0 ≥20.0 ≥15.0 ≤8.0 ≥11.0 ≥15.0
MgO %         ≥18.0    
Physical properties
Bulk Density g/cm3 ≥2.25 ≥2.36 ≥2.10 ≥2.58 ≥2.65 ≥3.5 ≥3.3
Apparent Porosity % ≤19.0 ≤19.0 ≤25.0 ≤21.0 ≤20.0 ≤22.5 ≤20.0
Cold Crushing Strength MPa ≥19.0 ≥20.0 ≥10.0 ≥18.0 ≥18.0 ≥16.0 ≥16.0
Modulus of Rupture MPa ≥6.0 ≥6.0       ≥3.0 ≥3.0
 


Submerged Entry Nozzle(SEN)