high quality nice well block for tundish

1,High resistance to erosion 2,zirconia sizing nozzle for supporting the use 3,no deformation, no crack

Product overview

The product is the main raw material for bauxite, magnesite, graphite, the precise ingredients, press forming, drying and become, can make the belt buckle positioning seat brick, brick and other special-shaped brick, also according to the user different steelmaking environment and use requirements of setting block number.

Product characteristics:

Has high resistance to erosion, and zirconia sizing nozzle for supporting the use of, there is no deformation, no crack etc..

Product application:

This product is mainly used for continuous casting tundish nozzle and supporting the use of.

Project		Index
		A175	A180	ALC75	AZC80	A190	AL95	ALC85
Chemical composition (%)≥	AL2O3	75	80	75	75	90	93	85
	ZrO2	-	-	-	4	-	-	-
	C	-	-	3	3	-	-	3
Apparent porosity (%);≤		15	14	8	7	12	12	7
Volume density  (g/cm3);≥		2.90	2.95	2.95	3.05	3.00	3.10	3.00
Compressive strength  (MPa)≥		60	60	50	50	80	80	50
High temperature bending strength  (1400°C*0.5h)(MPa);≥		6	7	8	12	12	15	10

high quality nice well block for tundish