Submerged nozzle

Product Details

in the continuous casting technology, in order to improve the quality of the slab, an Submerged nozzle is provided between the tundish and the crystallizer. Its main function is to protect the molten steel from the tundish from being oxidized by ambient air when it flows into the crystallizer. Distribute the molten steel evenly into the crystallizer and control the effect of the molten steel flow in the crystallizer.


Index Body slag line
Al2O3 ≥45
C+SiC ≥22 ≥15
ZrO2 ≥70
Refractoriness ≥1700 ≥1700
Bulk Density(g/cm3): ≥2.50 ≥3.50
parent porosity(%) : ≤17 ≤18
Cold crushing strength(Mpa): ≥20
cold bending strength ≥5
Thermal Shock Resistance (1100℃) ≥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

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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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