These specifications cover technical requirements of refractory shrouds used in 130 tons steel ladle for concealing/protection of metal stream/flow from steel ladle to tundish during continuous casting of steel.
Quality: Isostatically pressed Alumina-graphite ceramic tube
Chemical Composition, (Typical Values)
A120~ 47 %, C + SiC: 28 %, SiO2: 24%
Physical Properties:
i) Bulk density (gm/Cm3): 2.35 min
ii) Apparent Porosity (%): 16 Max.
iii) Modulus of Rupture (Kg/m3):75 min
iv) Thermal Expansion at 1OOOo~:(%) 0.3 max
v) Refractoriness: 36 SK (1790^.C) min
Operational Conditions
One billet caster six strands.
one bloom caster hour strands.
two slab casters two strands each.
Nominal Bloom tundish capacity  12 tons.
Nominal slab tundish capacity 15 tons.
Nominal Billet caster tundish capacity  12 tons
Sliding gate system: flocon Ladle Valve
                            Equipment Model 6300.
Temperature range of molten steel in ladle 1585-1650 "C.