Flow Control

Slide Gate Refractories

 

Slide Gate Plates and Inserts

 
  Alumina
carbon
(OASP-1)		 Alumina
zirconia carbon
(OASP-12)		 Alumina spinel
carbon
(OASP-14)		 Magnesia spinel
carbon
(OASP-34)
Recommended for steel quality Medium and
high carbon
steel		 Medium and high
carbon & alloy
steel		 Stainless steel Calcium treated low
carbon steel
TYPICAL CHEMICAL ANALYSIS (LOSS FREE BASIS)
Al2O3 (%) 84.0 75.0 83.0 9.5
Fixed carbon (%) 5.0 5.0 6.0 5.0
ZrO2 (%) - 8.0 - -
MgO (%) - - 6.0 80.0
SiC (%9 2.0 2.0 - -
TYPICAL PHYSICAL PROPERTIES
Apparent porosity (%) 6.0 6.0 6.0 6.0
Bulk density (gm/cc) 3.20 3.18 3.20 2.95
Cold crushing strength (kg/cm2) 1000 1000 900 1000
Hot MOR (kg/cm2) at 14000 C 160 150 100 125

 

 

 

Well Blocks

Typical chemical analysis and physical properties

Quality Apparent
porosity
(%)		 Bulk density
(gm/cc)		 CCS at
110°C/24 hrs.
(kg/cm2)		 Al2O3
(%)		 Fe2O3
(%)		 MgO
(%)
ORIENT W/B-75 18.2 2.82 660 76.2 2.3 -
ORIENT W/B-85 17.0 2.88 550 86.0 0.81 -
ORIENT W/B (SUPER) 18.5 3.05 550 90.8 0.3 4.8

 

 

Nozzles

Typical chemical analysis (loss free basis) and physical properties

Quality Apparent
porosity
(%)		 Bulk
density
(gm/cc)		 CCS at
110°C/24 hrs.
(kg/cm2)1		 Al2O3
(%)		 MgO
(%)		 Fe2O3
(%)
Upper Nozzle
85% Aluminia 20.0 3.00 500 85.0 - 0.30
Aluminia spinel 18.0 3.05 550 91.0 4.8 0.30
Magnesia spinel carbon 6.0 2.90 550 24.0 80.0 0.30
Aluminia carbon 15.0 2.70 1000 80.0 - 0.50
Lower Nozzle
85% Aluminia 20.0 3.00 500 85.0 - 0.30
Aluminia carbon 15.0 2.70 1000 80.0 - 0.20

 

 

Mortars and sealants

Typical chemical analysis (loss free basis) and physical properties

ITEM Grading
(mm)		 Service
Tep.
°C		 Setting Al2O3
(%)		 Fe2O3
(%)		 Application
ORIENT 90 AM 0-0,2 % 1800 Chemical/
Heat		 90±2 0.2 For fixing slide plates, collector
nozzles, inner nozzles and purging plug
ORSEAL-97 Paste
(Ready to use)		 1800 Chemical/
Heat		 97±2 0.2

This prevents leakage of molten metal
in between top plate and outer nozzle.
Sealent does not sinter at service
temperature and plate can be detached
easily from outer nozzle after use.

 

 

 

Isostatically Pressed Continuous Casting Refractories

 

Monoblock Stoppers

 

 

 

  Body Nose
Quality OE OL OD OM OO ON OS OI OU
STEEL GRADE
Plain carbon/normal grades - - √ √ - - - - -
Aluminium killed √ - √ √ - - - - -
Calcium treated √ √ √ - - - √ - √
Stainless √ √ √ - √ √ - √ √
High manganese √ √ - - √ - - - √

 

 

  Body Nose
Quality OE OL OD OM OO ON OS OI OU
TYPICAL CHEMICAL ANALYSIS (%)
Al2O3 49.4 61.1 49.3 70.0 73.2 70.5 10.2 59.3 -
SiO2 18.7 9.5 18.8 4.7 7.3 12.2 - 6.6 -
MgO - - - - - - 65.3 - 73.4
ZrO2 - - - - - - - 4.2 -
C 28.2 27.6 28.4 21.4 17.5 16.5 22.1 24.3 22.2

 

 

  Body Nose
Quality OE OL OD OM OO ON OS OI OU
TYPICAL PHYSICAL PROPERTIES
Apparent porosity (%) 16.4 16.7 16.1 16.6 18 17.5 17.5 16.7 17.4
Bulk density (gm/cc) 2.4 2.51 2.41 2.65 2.68 2.60 2.55 2.65 2.57
C.M.O.R. (kg/cm3) 85 90 80 90 95 85 80 75 85

 

 

 

 

Ladle Shrouds

 
 

 

 

  Body Sleeve
Quality OC OF OX OG
STEEL GRADE
Plain carbon/normal grades √ √ √ √
Aluminum killed √ √ √ -
Calcium treated - √ √ √
Stainless √ √ √ √
High manganese √ √ √ √
Resuable √ - - √
High performance - √ √ -

 

 

  Body Sleeve Mix
Quality OC OF OX OG
TYPICAL CHEMICAL ANALYSIS (%)
Al2O3 (%) 45.8 50.5 9.8 50.8
C (%) 34.4 30.6 19.4 34.8
SiO2 17.2 14.5 - 12.0
ZrO2 (%) - - 67.4 -

 

 

  Body Sleeve Mix
Quality OC OF OX OG
TYPICAL PHYSICAL PROPERTIES
Apparent porosity (%) 16.4 13.1 15.3 15.6
Bulk Density (gm/cc) 2.35 2.45 3.5 2.38
C.M.O.R (kg/cm2) 70 70 120 75

 

 

 

Sub-Entry Nozzles/ Sub-Entry Shrouds/ Tundish Nozzles

 

 

 

  Seat Body Slag Zone Sleeve
Quality OM OO OS OH OB OH OJ OW OK OX OY OZ OX OZ
STEEL GRADES
Plain carbon / normal grades √ - - - √ - V - V V - - - -
Aluminum killed √ - √ √ √ V V - - V - - - -
Calcium treated - √ √ - √ V V - - - V V V V
Stainless √ √ - - √ - V V V - V - - V
High manganese - - - - √ - V - V - V V V V

 

 

  Seat Body Slag Zone Sleeve
Quality OM OO OS OH OB OH OJ OW OK OX OY OZ OX OZ
STYPICAL CHEMICAL ANALYSIS (%)
Al2O3 70.0 73.2 10.2 55.7 43.0 55.7 60.3 24.2 60.3 - - - - -
SiO2 4.7 7.3 - 12.2 26.8 12.2 10.5 22.2 10.5 - - - - -
MgO - - 65.3 - - - - - - - - - - -
ZrO2 - - - - - - - 30.6 - 67.4 79.3 80.5 67.4 80.5
C 21.4 17.5 22.1 26.7 26.4 26.7 26.2 16.5 26.2 19.4 14.7 11.8 19.4 11.8

 

 

  Seat Body Slag Zone Sleeve
Quality OM OO OS OH OB OH OJ OW OK OX OY OZ OX OZ
TYPICAL PHYSICAL PROPERTIES
Apparent porosiy (%) 16.6 18.0 17.5 17.7 16.6 17.7 17.4 15.4 17.4 15.3 15.4 15.5 15.3 15.5
Bulk density (gm/cc) 2.65 2.68 2.55 2.48 2.38 2.48 2.55 2.63 2.50 3.50 3.75 3.78 3.50 3.78
C.M.O.R. (kg/cm ) 90 95 80 75 80 75 90 95 90 120 140 150 120 150

 

 

 

Tape Hole Sleeves

 

  Sleeves Blocks
Quality OT OV
TYPICAL CHEMICAL ANALYIS (%)
MgO 76.2 82.4
C 17.5 12.5
Al2O3 4.5 4.5

 

 

 

  Sleeves Blocks
Quality OT OV
TYPICAL PHYSICL PROPERTIES
Apparent porosity (%) 2.5 7.6
Bulk density (gm/cc) 2.91 2.78
CCS (kg/cm2) 400 450

 

 
 
 

Tundish Nozzles

 
 
Zirconia Nozzles
 
High and ultra high density zirconia stabilised with maggnesia
 
 
  ZN-96 SD ZN-95 D ZN-95 N
TYPICAL CHEMICAL ANALYSIS (%)
ZrO2+HFO2 96.0 95.5 95.0
MgO 2.0 2.5 3.0
SiO2 0.3 0.5 0.5
TiO2 0.1 0.1 0.1
Al22O3 0.1 0.1 0.1
Fe2O3 0.05 0.1 0.1
 
 
 
  ZN-96 SD ZN-95 D ZN-95 N
TYPICAL PHYSICAL PROPERTIES
Apparent Porosity% 2.5 6.0 16.0
Bulk Density (gm/cc) 5.5 5.2 4.7
 
 
 
 
 
Zircon and Aluminia Graphite Tundish Nozzles
 
 
  ZN-65 ZN-71 AGN-85
TYPICAL CHEMICAL ANALYSIS (%)
Al2O3 - - 86.0
ZrO2 64.0 71.0 -
C - - 4.0
SiC - - 5.0
Cr2O2 - - 3.0

 

 
 
  ZN-65 ZN-71 AGN-85
TYPICAL PHYSICAL PROPERTIES
Apparent porosity (%) 20,0 20.0 5.0
Bulk density (gm/cc) 3.70 3.8 3.15