Tundish Spray Mass

Tundish Spray Mass

The working lining of Tundish plays an important role in providing quality and cost effective steel.

Tundish Spray Mass

TYPICAL FORMULATIONS OF CASTABLES & BASIC MASS
Chemical Analysis (%)
Product Tundish Spray Mass
Grades
Al2 O3 (Min.) %
MgO (Max.) % 70 80
Fe2 O3 (Max.) % 2 2
SiO2 (Max.) % 20 10
Cr2O3 %
CaO (Max)% 3.5 3.5
Physical Properties
Product Tundish Spray Mass
B.D. (gm/cc) Min. 1100C/24 hrs
C.C.S. (Kg./cm2) Min. / 1100C 300 300
C.C.S. (Kg./cm2) Min. Drying @8000C / 3 hrs soaking
C.C.S. (Kg./cm2) Min. Drying @11000C / 3 hrs soaking
C.C.S. (Kg./cm2) Min. Drying @15000C / 3 hrs soaking 300 300
Thermal Conductivity (k cal/m/hrs0C)
P.L.C. max at 15000C -3 -3
Shelf Life (months) 3 3
L.B.D. (gm/cc) Min. 1.6 1.7
Skull Removal Smooth Smooth
Grain Size (mm) Max. 0.5 0.5

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