China Factory Price High Alumina Runner Brick for Casting Steel, Find details about China High Alumina Brick, Insulation Brick from Factory Price High Alumina Runner Brick for Casting Steel
items | Runner Brick | Sleeve | |||||
Alumina | Clay | ||||||
BM-60R | BM-C60R | HL-32R | BM-60V | BM-50V | HL-32V | ||
ºC Refractoriness | 37 | 37 | 32 | 37 | 36 | 32 | |
Bulk density g/cm3 | 2.50 | 2.45 | 1.90 | 2.40 | 2.15 | 1.90 | |
A.P % | 23 | 21 | 20 | 23 | 22 | 20 | |
C.C.S Mpa | 350 | 400 | 300 | 350 | 300 | 300 | |
(2kg/cm³,T2ºC) Refractoriness under load | 1500 | 1500 | 1300 | 1450 | 1400 | 1300 | |
(%)at 1000ºC Thermal expansion | 0.6 | 0.5 | 0.5 | 0.6 | 0.6 | 0.5 | |
(%) Chemical composition | Al2O3 | 63 | 60 | 34 | 63 | 51 | 44 |
Fe2O3 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | |
Applications | Special steel General steel |