Sub Entry Nozzle
Submerged Entry Nozzle and Shrouds are designed to protect the steel flow from the Tundish to the mould. Sub-Entry Nozzle is fixed inside the tundish similar to a Tundish Nozzle, while the sub-entry shroud is fitted from the outside on the Tundish Nozzle.
SPECIAL FEATURES:
- Zirconia slag-line protection
- Outlet port design
- Anti-clogging liner
- Anti-inclusion liner
- Full vitrified glaze protection prior to preheat
- Seating composite material sequence casting

TYPICAL PROPERTIES OF DIFFERENT PARTS OF CCR PRODUCTS | |||||||||||
Product | Sub Entry Nozzle | ||||||||||
Seat | Body | Slag Zone | |||||||||
Quality | VB6 | CT142 | CT143 | CT170 | CT171 | CT141 | CT144 | CT145 | ZC-01 | ZC-06 | |
Chemical Properties | |||||||||||
Al2 O3 (Min.) % | 76 | 60 | 60 | 50 | 50 | ||||||
SiO2 (Max.) % | 5 | 8 | 8 | 16 | 16 | ||||||
Fe2 O3 | |||||||||||
C (Max.) % | 18 | 27 | 27 | 32.5 | 32.5 | 16 | 16 | 20 | 14 | 12 | |
ZrO2 (Min.) % | 80 | 80 | 70 | 82 | 85 | ||||||
CaO % | |||||||||||
MgO (Min.) % | |||||||||||
Cr2O3 (Min.) % | |||||||||||
Physical Properties | |||||||||||
A.P. (Max.) % | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | |
B.D. (gm/cc) Min. | 2.65 | 2.55 | 2.55 | 2.40 | 2.40 | 3.75 | 3.75 | 3.30 | 3.80 | 3.85 | |
C.C.S. (Kg./cm2) Min. | 180 | 180 | 180 | 180 | 180 | 225 | 225 | 200 | 250 | 275 |