B60 steel casting refractory ladle collector nozzle

Brand:aa

Product detail:

B60 steel casting refractory ladle collector nozzle

 

Our lower nozzle bricks include three types,that is alumnia-zirconia-carton,alumina-magnesia-carton and alumnia-carton.This can meet kinds of stell smelting craft requirements with its good characteric property:low porosity ,high strength,fine thermal shock stablity,good anti-erosion and long service life.

Brand Specification	AlC75	AlC80	Al75	Zr80
Al2O3    ≥ %	75	80	94	-
ZrO2    ≥     %	-	-	-	92
C    ≥   %	4	4	-	-
Apparent porosity  ≤	8	7	15	9
Bulk density  g/cm3   ≥	2.90	2.95	2.95	3.05
Compressive strength (MPa) ≥	60	60	120	80
High temperature bending strength (MPa) (1400*0.5h) MPa ; ≥	6	7	15	20