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Submerged Entry Nozzle(SEN)
The Horton series of SENs are ISO-pressed products with special reinforcement at slag line. Horton SENs enjoy good reputation for excellent slag resistance, clog-proof, long life and safety etc. Horton 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 |