Description of Continuous Casting Refractories Submerged Entry Nozzle SEN:

The submerged nozzle is a pouring refractory casing installed at the bottom of the intermediate tank in continuous steel casting equipment and inserted below the liquid level of the mold steel. The main function of the immersed nozzle is to prevent secondary oxidation of the intermediate tank injection flow and splashing of molten steel.
The main function of the submerged nozzle is to prevent secondary oxidation of the tundish tank injection flow and splashing of molten steel; to prevent the mold slag from being involved in the molten steel; and to improve the flow state and heat flow distribution of the injection flow in the crystallizer. This promotes the uniform growth of the billet shell in the crystallizer, which is beneficial to the elimination of gas and inclusions in the steel.

Submerged Nozzle can protect the molten steel from oxidation when it flows into the crystallizer from the tundish, evenly distribute the molten steel into the crystallizer and control the flow state of the molten steel in the crystallizer, with good slag resistance, anti blocking, long service life and low accident rate.

Performance Characteristics of Our Submerged Nozzle Continuous Casting Refractories
Our submerged entry nozzle has the following characteristics:
1.Good sealing: It has a good fit with our plug products, and the sealing performance is good after the stopper and the nozzle are
closed.
2.Anti-erosion: Advanced material formulation to effectively resist the physicochemical effects of the melt.
3.Antioxidant: Advanced anti-oxidation mechanism to ensure good protection of graphite in products.
4.High temperature resistance:1770 °C5.High strength: high-quality materials, high-pressure pressing, reasonable combination, high temperature strength, scientific
product design, high anti-scour ability.
6.Long service life: ductile iron casting life is generally not less than 48 hours, gray iron casting is generally not less than
72 hours.

Technical Parameter of Submerged Nozzle Continuous Casting Refractories:

Item	Index
	JSK55	JSK50	JSK45	JSK40
Al2O3  %	≥55	≥50	≥45	≥40
C  %	≥16	≥18	≥20	≥22
Flexural Strength  MPa	≥5.5	≥5.5	≥5.5	≥5
Apparent porosity  %	≤19	≤19	≤19	≤19
Bulk density  g/cm3	≥2.36	≥2.32	≥2.28	≥2.18

Slag Area：

Item	Index
	Z75	Z70	Z65	Z55
ZrO2  %	≥75	≥70	≥65	≥55
C  %	≥9	≥12	≥15	≥18
Apparent porosity   %	≤21	≤21	≤21	≤22
Bulk density  g/cm3	≥3.6	≥3.5	≥3.4	≥3.2

Packing&Shipping

About Rongsheng Refractory

As professional refractory material supplier and manufacturer, Rongsheng Refractory Factory is located in Xinmi city, the “Capital of Refractory” in China. We specialize in refractory products for nearly 20 years, covering a full range of shaped and unshaped refractory products, such as High Alumina Series Bricks, Mullite Bricks, Corundum Series Bricks, Silica Series Bricks, Andalusite Bricks, Magnesia Series Brick, Carborundum Brick, Insulating Series Brick, Insulating and Dense Castables, also other related products for more sophisticated applications. We are recognized as a top fire brick factory and refractory material supplier.

Why choose us?

1.Abundant Experience. Rongsheng Group have over 20 years experience in the refractory industry and we have a deep understanding of the materials and applications we work with. We can provide expert advice and guidance to help customers find the best solutions for their needs.

2.Quality products. We pride ourselves on providing high-quality refractory products that are made to last. Our materials are carefully sourced and tested to ensure they meet our strict standards.

3.Competitive Price. We offer competitive pricie on all of our products without sacrificing quality and make the products competitive in your market.

4.Customization. We understand that every customer is unique, which is why we offer customized solutions tailored to their specific requirements. Whether it’s a custom shape or size, we can work with customers to create the ideal product for their application.

5.Safety. We take safety seriously and ensure that all of our products meet safety standards. Safty packing, prompt delivery time, and excellent after-sales services.

6.Large stocks. With a large stock of products on hand, we can better serve our customers, save money, and gain a competitive edge in their industry.

7. Overall solutions. We offer optimal and comprehensive solutions to supply the necessary refractory material for your high temperature kiln.

8.Long-term relationships. We believe in building long-term relationships with our customers based on trust and mutual benefit. We are committed to providing ongoing support and service to ensure customer satisfaction. Rongsheng Refractory can be used in many fields of steel, nonferrous metals, glass, cement, ceramic, petrochemical, machinery, boiler, light, and power industries. What’s more, Industrial distributors, refractory contractors, sales agents, trading companies, and refractory consultants can all benefit from promoting and selling our top-of-the-line refractory products. With a focus on durability, longevity, and performance, our products are designed to exceed your expectations and provide your customers with the best possible results.

So choosing us is the right choice for you.If you are interested in our products or if you have any question, pls feel free to contact us at any time. We will reply as soon as possible.