Upper Nozzle

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PRODUCTS / Refractory products for Ladle /

Upper Nozzle

Brand: PN-KLT

PRCO developed series of corundum based ladle upper nozzles with new technique. The nozzles have the features of superior resistance to thermal shock, erosion, oxidation and long service life etc. The products have been widely used in steelworks worldwide.

Based on the different content of carbon, the upper nozzles are divided into two series: low carbon upper nozzle and medium carbon upper nozzle. Low carbon upper nozzle is especially suitable for both low-carbon and super-low-carbon steel grades

Main Properties:

Brand	Low carbon content			Medium carbon content
Brand	KLT-M	KLT-M2	KLT-O	KLT-A	KLT-B
Al₂O₃(%);≥	85	75	-	72	68
MgO(b%);≥	-	-	70	-	-
C(%);≤	3	4	4	8	8
Bulk density (g/cm³);≥	2.9	2.85	2.75	2.8	2.75
Apparent porosity (%) ;≤	14	14	14	14	14
Cold crushing strength (MPa) ;≥	75	65	45	40	40
Hot modulus of rupture (MPa) ;≥	12	12	10	10	10
Application area (Ladle)	≥60MT	≥40MT	High erosion steel	40-80MT	≤50MT