Stopper supporting tundish zirconium nozzle

Product Details

The stopper rod supporting tundish zirconium nozzle is inlaid in the seat brick at the bottom of the tundish, and cooperates with the stopper rod to control the flow of molten steel. The nozzle of LMM series tundish has the characteristics of good erosion resistance, good thermal shock stability, anti-erosion and anti-clogging. With the integral plug rod produced by our company, it can significantly increase the number of tundish continuous casting furnaces.

Main physical and chemical indicators:



  body slag line   body slag line
chemical composition(%) AI2O3; ≥ 45 65 45
MgO; ≤ 60
SiO2; ≥ 15 10 15
C+SiC; ≥ 22 10 22 20
crushing strength, MPa,≥ 20 25 20 15
bending strength, (MPa),≥ 8 8 8 5
parent porosity, (%);≤ 18 16 18 19
Bulk Density, g/cm3,≥ 2.33 2.70 2.31 2.60
Thermal Shock Resistance, (1100℃),≥ 5 5



The company strictly according to modern enterprise management requirements set up a perfectquality assurance system, and passed the ISO9001:2008 quality management system certification,ISO14001:2004 environmental management system certification, OHSAS18001:1999 occupationalhealth and safety management system certification.

Service Display

recommend suitable products according to the actual working conditions and needs of customers.It can also bedeveloped and designed according to needs, and customized services can be provided. During the epidemic, provide remote detection technical support

Strict quality control:
From raw materials, to the production process and befor eleaving the factory, all performance indicators arestrictly tested, and the professional QC team controls according to the process.

After-sales service:
Quality assurance and Resolution of any issues that arise

Product Brochure Download

As professional one-stop solution provider, LIAONING MINERAL & METALLURGY GROUP CO., LTD(LMM GROUP) Established in 2007, and focus on engineering research & design, production & delivery, technology transfer, installation & commissioning, construction & building, operation & management for iron, steel & metallurgical industries globally. 


Dalian Office:
Building 8, Yintian South Park, Yida Chuntian, Ganjingzi District, Dalian 116000, China 
Shenyang Office:
Room 12-12 A4 Building YuZhou Square, Huannan Disruct, Shenyang City China
Tel: +86 84174804

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