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# Henan Yangyu Refractories Co.,Ltd: We are a refractory manufacturer from China,specialized in the CCM refractory,such as slide gate plate,ladle shroud,sub entry nozzle,tundish stopper.

## Sitemaps
[XML Sitemap](https://hyrefr.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [How to Increase Ladle Campaign Life: A Practical Metallurgical Approach](https://hyrefr.com/how-to-increase-ladle-campaign-life-a-practical-metallurgical-approach/): In modern steelmaking operations, the steel ladle is not merely a transport vessel for molten steel. It is a high-temperature metallurgical reactor subjected to severe thermal, chemical, and mechanical stresses during every heat cycle. The operating life of the ladle refractory lining—commonly referred to as the ladle campaign life—has a direct impact on production cost, steel quality, plant productivity, safety, and refractory consumption.
- [Probable Failure of Ladle Shroud: Mechanisms, Root Causes, and Prevention Strategies](https://hyrefr.com/probable-failure-of-ladle-shroud-mechanisms-root-causes-and-prevention-strategies/): The ladle shroud is a critical refractory component in continuous casting operations, serving as the protected conduit that transfers molten steel from the ladle nozzle to the tundish. Its primary function is to prevent reoxidation, minimize air aspiration, and ensure a stable, clean steel stream. Despite its relatively simple tubular geometry, the ladle shroud operates under extremely aggressive conditions, including high-temperature exposure (>1600°C), turbulent steel flow, slag interaction, thermal cycling, and mechanical loading.
- [Application of the Ladle Slide Gate Mechanism in Steel Plants](https://hyrefr.com/application-of-the-ladle-slide-gate-mechanism-in-steel-plants/): For large-tonnage ladles, the slide gate assembly is relatively heavy. If the slide plate must be flipped upward or downward, workers face considerable labor intensity. To reduce this burden, many plants adopt a side-opening mechanism, whereby the slide block opens horizontally for slide plate replacement.This layout is widely used in foreign designs.
- [The Ladle in the Steel Plant: Function, Design, Technology, and Operational Significance](https://hyrefr.com/the-ladle-in-the-steel-plant-function-design-technology-and-operational-significance/): In the integrated workflow of modern steelmaking, the ladle is far more than a simple refractory-lined vessel. It is a metallurgical reactor, a transfer vehicle, a thermal reservoir, and a pivotal interface between primary steelmaking units and downstream casting operations. The performance of a steel plant—its productivity, its metallurgical precision, and its operational stability—is deeply linked to how effectively its ladles are engineered, maintained, and operated.
- [Slide Gate Plate in Steelmaking: Principles, Design, Materials, and Applications](https://hyrefr.com/slide-gate-plate-in-steelmaking-principles-design-materials-and-applications/): In modern steelmaking, precise control of molten steel flow is essential for process stability, safety, and product quality. From tapping steel out of a ladle to transferring it through the tundish and into the mold during continuous casting, flow control systems play a decisive role. One of the most widely used and robust flow control devices in secondary metallurgy and continuous casting is the slide gate system, whose core functional components are the slide gate plates.
- [Top 5 refractory manufacturers in the world](https://hyrefr.com/top-5-refractory-manufacturers-in-the-world/): Refractories are heat-resistant materials used to line furnaces, kilns, reactors and other high-temperature processing units in industries like steel, glass, cement, and nonferrous metals. These linings protect equipment, improve energy efficiency, and enable higher-temperature and more intensive processes. Globally, refractory consumption is enormous – on the order of 35–40 million tonnes per year. The iron and steel industry alone consumes roughly 60–70% of all refractories, with cement, glass, petrochemical, and other sectors making up the balance. Given this critical role, the leading refractory producers have an outsized impact on industrial productivity, cost-efficiency, and sustainability. The following sections profile the five largest refractory manufacturers – RHI Magnesita, Vesuvius, Saint-Gobain (Refractories), Shinagawa Refractories, and IFGL Refractories – covering each company’s history, product focus, global reach, innovations, market positioning, and competitive strengths.
- [How the Ladle Nozzle Works](https://hyrefr.com/how-the-ladle-nozzle-works/): In modern steelmaking, precise control of molten steel flow is critical for achieving stable casting operations, high steel cleanliness, and long refractory service life. One of the most essential yet often underestimated components in the steel teeming system is the ladle nozzle. Located at the bottom of the steel ladle, the ladle nozzle serves as the primary outlet through which molten steel is transferred from the ladle to downstream vessels such as the tundish or directly to molds in special processes.
- [Protecting Liquid Steel from Oxidation during Ladle-to-Tundish Transfer](https://hyrefr.com/protecting-liquid-steel-from-oxidation-during-ladle-to-tundish-transfer/): Ladle shrouds and argon curtains physically isolate the steel stream from air. The ladle’s slide gate or stopper aligns with a refractory ladle shroud (tube) through which the steel flows, and argon is injected around the shroud neck or tip to blanket the jet. The shroud was originally developed precisely for this purpose: to “shield the teeming stream from atmospheric contamination”. Early trials showed dramatic results – for instance a ladle shroud trial at Burns Harbor found the downstream steel oxygen level fell by roughly half. Modern shrouds (typically alumina or alumina–graphite) last dozens of heats and, when combined with argon, achieve very low oxygen pickup.
- [Functional Refractory Systems for Tundishes in Continuous Casting](https://hyrefr.com/functional-refractory-systems-for-tundishes-in-continuous-casting/): In continuous casting steelmaking, the tundish has evolved from a simple intermediate vessel into a critical metallurgical reactor that directly influences steel cleanliness, casting stability, and product quality. The performance of the tundish depends heavily on a series of functional refractory components, including ladle shrouds, stopper rods, seating blocks, tundish nozzles, and flow-control devices. These refractories operate under severe thermal, chemical, and mechanical conditions while fulfilling precise metallurgical and operational functions.
- [Classification and application configuration of refractory materials for tundishes](https://hyrefr.com/classification-and-application-configuration-of-refractory-materials-for-tundishes/): The tundish, serving as a transitional device between the ladle and the casting mould in continuous casting, is not only a storage and distributor of molten steel but also a refining vessel. It stabilizes the steel flow, reduces the scouring of the billet shell in the casting mould, and ensures a reasonable flow field and appropriate residence time for the molten steel within the tundish. This guarantees uniform steel temperature and the separation and flotation of non-metallic impurities, ensuring steel cleanliness and enabling multi-heat casting. It is a crucial link in improving steel quality and continuous casting efficiency. Its structure is shown in Figure 1.
- [Introduction to the quick-change mechanism for tundish metering nozzles](https://hyrefr.com/introduction-to-the-quick-change-mechanism-for-tundish-metering-nozzles/): Currently, representative quick-change mechanism of tundish metering nozzle at home and abroad include:
- [the tips you should know about the tundish Metering Nozzle](https://hyrefr.com/the-tips-you-should-know-about-the-tundish-metering-nozzle/): (3) Sleeve typed metering nozzle. This type of tundish metering nozzle is divided into two parts during production: the seat brick and the zirconia insert, which are then joined together with fire mortar. The seat brick is made of high alumina material and only serves to fix and support the inner insert; its functional requirements are not high. The inner zirconia insert plays a crucial role in flow control and is generally made of zirconium oxide. The specific composition and production process can be adjusted according to different usage requirements. Currently, its production mainly uses raw materials with high zirconium oxide content (ZrO2>90%), which are then formed and fired at high temperatures to achieve long service life. Embedded metering nozzles solve the cracking problem caused by the thermal expansion mismatch between the inner and outer layers of composite nozzles. They have better thermal stability than direct composite metering nozzles and are less expensive. Their service life can be adjusted according to the ZrO2 content of the inner zirconia insert, and they are currently widely used.
- [A study of comparison different Al2O3-ZrO2-C slide gate plates for the casting Al killed steel](https://hyrefr.com/a-study-of-comparison-different-al2o3-zro2-c-slide-gate-plates-for-the-casting-al-killed-steel/): Keywords: Al2O3-ZrO2-C; Slide gate plates; Casting
- [What Is the Composition of Sub-Entry Nozzle (SEN)](https://hyrefr.com/what-is-the-composition-of-sub-entry-nozzle-sen/): The Sub-Entry Nozzle (SEN) is one of the most critical refractory components used in continuous casting of steel. Installed between the tundish and the mold, the SEN performs essential metallurgical and operational functions: stabilizing molten steel flow, minimizing reoxidation, reducing heat loss, suppressing surface turbulence, and preventing mold powder entrapment. To meet these functional requirements under severe conditions—including temperatures above 1,550°C, corrosive slag atmosphere, high levels of argon injection, and erosive molten steel flow—the SEN must be manufactured from highly engineered refractory compositions.
- [What is a Ladle Shroud and Its Function](https://hyrefr.com/what-is-a-ladle-shroud-and-its-function/): In the steel industry, a ladle shroud is a critical component used during the pouring of molten steel from the ladle to the tundish or directly to the mold in continuous casting. It serves as a protective cover and guiding mechanism that prevents steel from splashing, reduces heat loss, and limits contamination during the pouring process. The ladle shroud is part of the ladle nozzle system, which plays a significant role in the overall control of molten metal flow during casting.
- [How to Improve the Lifespan of Slide Gate Plates](https://hyrefr.com/how-to-improve-the-lifespan-of-slide-gate-plates/): Slide gate plates are vital components in the steelmaking process, specifically in ladle or tundish casting systems, where they are used to regulate the flow of molten steel. The plates, which form part of the sliding gate system, control the opening and closing of the molten steel passage, ensuring that the steel flows smoothly into molds for continuous casting.
- [Optimization Measures and Inclusion Defect Characterized of Submerged Entry Nozzle Clogging](https://hyrefr.com/optimization-measures-and-inclusion-defect-characterized-of-submerged-entry-nozzle-clogging/): The four main components used in continuous casting refractory materials—submerged entry nozzles, ladle shroud, monoblock stoppers and slide gates, and sizing nozzles—serve to transport molten steel, isolate gases, and control the steel flow. In particular, submerged entry nozzles are used between the tundish and the crystallizer in continuous casting to protect the steel flow, prevent secondary oxidation of the molten steel, promote the flotation of inclusions, prevent the impact of molten steel on the crystallizer surface during open casting, and reduce slag entrapment. A submerged entry nozzle currently in use in production is shown in Figure 1 . Its materials are mainly divided into two categories: fused silica and alumina-carbon. Fused silica is mainly composed of SiO2 , with a SiO2 content ≥ 99% , a room temperature compressive strength of 40 MPa , an apparent porosity ≤ 18% , and a bulk density of about 1.84 g/cm3 . The alumina-carbon body is mainly composed of Al2O3, supplemented by C and SiO2 , with Al2O3 accounting for 35 % and C accounting for 20% . In the slag line area , C accounts for 20% and ZrO2 accounts for 70% . It has a room temperature torsional strength of 23.34 MPa , an apparent porosity ≤ 16% , and a bulk density of about 2.5 g/ cm3 .
- [Analysis of Tundish Stopper Rod Fracture and Improvement Measures](https://hyrefr.com/analysis-of-tundish-stopper-rod-fracture-and-improvement-measures/): The stopper rod is a shaped refractory product used in the continuous casting process. It stabilizes the molten steel level in the mold, controls the linear flow velocity of molten steel, and ensures the surface and internal quality of cast slabs. In actual production, the stopper rod plays a crucial role in maintaining the stability of steelmaking operations. When problems occur—such as erosion, fracture, or buildup—significant mold level fluctuations may result. In severe cases, the caster may be forced to shut down prematurely or pulled offline, causing major operational disruptions.
- [Advances in the Mechanisms of Submerged Entry Nozzle Clogging in Continuous Casting](https://hyrefr.com/advances-in-the-mechanisms-of-submerged-entry-nozzle-clogging-in-continuous-casting/): Abstract:Sub Entry Nozzle clogging is a prevalent issue in continuous casting. It not only disrupts casting stability but escalates into nozzle blockagein severe case, resulting in decreased production efficiencyand slab quality deterioration. The composition and structure of clogging deposits for typical steel grades were summarized. The mechanisms of submerged entry nozzle clogging were reviewed from three aspects: the physical adhesion ofinclusions, chemical reactions in steel refractory system, and the temperature drop resulted from the insufficient preheating.Chemical reactions were emphasized, including decarburization reactions, interactions between molten steel and refractory, and reoxidation reactions. Additionally,the discussion extended tonumerical simulation studies in regard to nozzle clogging, mainly including flow field simulations and model of inclusion motion. Finally, the prevention strategies against nozzle clogging were discussed: the cleanliness improvement of steel, the argon blowing technique,the optimization of SEN parameters, and the external electric field and magnetic field treatment.Keywords:continuous casting；nozzle clogging；SEN；clogging mechanism；inclusion.
- [Analysis of problems in the application process of monoblock stopper rods](https://hyrefr.com/analysis-of-problems-in-the-application-process-of-monoblock-stopper-rods/): Abstract: monoblock stopper rods in tundishes are crucial functional components for continuous casting, playing roles such as flow control and post-pouring flow blocking during the continuous casting process. Problems with the stopper rods during use can disrupt the continuous casting production rhythm and lead to serious safety accidents or significant economic losses. This paper summarizes the problems encountered in the application of monoblock stopper rods in tundishes in dozens of steel enterprises both domestically and internationally. Through classification and analysis, the problems are addressed from three aspects: the stopper rod head, the rod body, and the connecting parts. Effective countermeasures for various problems are proposed, hoping to contribute to the proper use of integral stopper rods in steel enterprises.
- [analysis on abnormity erosion of monoblock stopper slagline](https://hyrefr.com/analysis-on-abnormity-erosion-of-monoblock-stoper-slagline/): Monoblock stoppers  rod play a very important role in continuous casting ( short for CC) ． Sometimes the stop per slag line is seriously eroded and broken CC has to pause． The research shows that there are three main rea sons which bring severe erosion of monolithic stopper slag line． Firstly much Fe2O3 and MnO in slag react with carbon ( C) in the stopper C is gradually eroded and erosion resistance of the stopper greatly weakens．Secondly F increase in tundish covering flux will quicken ero sion of the stopper slag line． Thirdly High LOI of tundish covering flux also makes erosion of the stopper slag line speed up． On one hand CaCO3 in tundish cov ering flux decomposes and brings CO2 ; on the other hand minerals with water in tundish covering flux de compose at high temperatures and bring water vapor.Then CO2 and water vapor react with C in the stopper C is gradually eroded aggravating the erosion．
- [The Advances in the Ladle Shroud as a Functional Device in Modern Tundish Metallurgy](https://hyrefr.com/the-advances-in-the-ladle-shroud-as-a-functional-device-in-modern-tundish-metallurgy/): The ladle shroud has evolved from a simple refractory tube into a multifunctional, highly engineered device that plays an essential role in clean steel production.
- [Complete Guide to Submerged Entry Nozzle (SEN) in Steel Making](https://hyrefr.com/complete-guide-to-submerged-entry-nozzle-sen-in-steel-making/): The submerged entry nozzle (SEN), also known as subentry nozzle or immersion nozzle, represents one of the most critical refractory components in modern continuous casting operations. This essential device controls the delivery of molten steel from the tundish into the continuous casting mold, directly impacting steel quality, surface finish, productivity, and casting stability. Understanding the SEN's design, materials, performance characteristics, and proper application is fundamental for optimizing continuous casting operations and producing high-quality steel products.
- [Slide Gate Plate Price Guide 2025: Complete Pricing Analysis and Buying Tips](https://hyrefr.com/slide-gate-plate-price-guide-2025-complete-pricing-analysis-and-buying-tips/): Understanding slide gate plate pricing is essential for steel producers looking to optimize their refractory budgets while maintaining high-quality continuous casting operations. The price of slide gate plates can vary dramatically—from as low as $50 per set to over $350 per set—depending on material composition, size, quality grade, and manufacturing method. However, the lowest price doesn't always deliver the best value.
- [Ladle Shroud Gasket – Material, Function, Shape & Installation Guide](https://hyrefr.com/ladle-shroud-gasket-material-function-shape-installation-guide/): In continuous casting operations, the ladle shroud gasket is a small but critical component that ensures a safe and sealed connection between the ladle and the ladle shroud. While the ladle shroud itself controls the molten steel flow from ladle to tundish, the gasket provides the essential sealing and thermal protection that make smooth and oxidation-free casting possible.
- [How to Use the Ladle Shroud Manipulator in Continuous Casting Operations](https://hyrefr.com/how-to-use-the-ladle-shroud-manipulator-in-continuous-casting-operations/): In the continuous casting process, one of the key operations is the controlled transfer of molten steel from the ladle to the tundish. To maintain steel quality and process stability, a ladle shroud is used to prevent reoxidation and splashing. However, accurate alignment between the ladle shroud and the tundish inlet is critical. For this purpose, a ladle shroud manipulator is used. It provides safe, stable, and precise control of the shroud during the entire casting process.
- [Refractory shapes and sizes](https://hyrefr.com/refractory-shapes-and-sizes/): Wherever furnace construction and operating conditions permit, refractory linings are typically constructed with brick of standard sizes and shapes. Standard materials cost less than larger, more intricate shapes and frequently are more serviceable. They are also more accessible, in that they are likely to be routinely stocked by the manufacturer.
- [Operation procedure of dry material for induction furnace](https://hyrefr.com/operation-procedure-of-dry-material-for-induction-furnace/): 1.1.1 Store demand :
- [Drawing design method and skill of ladle slide gate plate](https://hyrefr.com/drawing-design-method-and-skill-of-ladle-slide-gate-plate/): The ladle sliding nozzle system consists of upper and lower slide plates, a mechanical drive mechanism, and matching upper and lower nozzles. Installed at the bottom of the ladle, it controls the flow of steel during continuous casting. The slide gate plate are the primary flow control components. The upper slide is fixed to the mechanism, while the lower slide is movable, controlling the velocity and volume of molten steel flowing from the ladle to the tundish. Currently, there are numerous slides on the market, most of which are related to the mechanism model. The slides and their accompanying nozzles are custom-made products, manufactured to customer specifications. Pre-production requires detailed design of their dimensions to ensure the perfect coordination between the slides, nozzles, and mechanism, ensuring optimal flow control in-situ. Through years of design experience, we has summarized some experience and techniques in ladle slide and nozzle design for designers' reference. The structure of the ladle sliding nozzle system is shown in Figure 1.
- [slide gate plate test report In AK Middletown 225-ton ladle](https://hyrefr.com/slide-gate-plate-test-report-in-ak-middletown-225-ton-ladle/): HYRE provided AK Middletown with six sets of test slide gate plate These high-performance slide gate plate were designed with a 77mm aperture. Testing began on March 18, 2015, with the last set concluding on March 26, 2015.
- [Recycling slide gate plates to save costs and reduce waste](https://hyrefr.com/recycling-slide-gate-plates-to-save-costs-and-reduce-waste/): Recycling a slide gate plate lets you save money and help the earth. This process keeps important resources being used, which helps a circular economy.
- [The top 5 ladle shroud manufacturers in China](https://hyrefr.com/the-top-5-ladle-shroud-manufacturers-in-china/): The top 5 ladle shroud manufacturers in China
- [The Role of Slide Gate Plates in Steel Industry Efficiency: Exploring the Mechanisms of LS, CS, and LG Series for Optimal Performance](https://hyrefr.com/how-slide-gate-plates-boost-steel-production-efficiency-by-40/): Slide gate plates play a crucial role in modern steel production that few outside the industry truly understand. We often overlook these engineering components, but they're essentially the gatekeepers that control the precise flow of molten steel during the continuous casting process. As steel manufacturers constantly seek ways to maximize efficiency, these specialized plates have emerged as game-changers in the industry.
- [The difference between magnesia carbon brick and aluminum magnesia carbon brick](https://hyrefr.com/the-difference-between-magnesia-carbon-brick-and-aluminum-magnesia-carbon-brick/): When picking materials for hot places, you should know what makes each type different. The big difference between magnesia carbon brick and aluminum magnesia carbon brick is that aluminum is added. This change affects how the brick deals with heat, how strong it is, and how well it lasts. Aluminum gives the brick new features, so it works better for some uses. Choosing carefully helps you get the best results for your needs.
- [Production and application of isostatically pressed refractory materials](https://hyrefr.com/production-and-application-of-isostatically-pressed-refractory-materials/): the monolithic stopper rod, the ladle shroud, and the submerged entry nozzle—are essential refractory materials used in continuous steel casting. They primarily serve to protect the casting process (ladle shroud and submerged entry nozzle) and control the flow of molten steel (stopper rod).
- [New generation ladle slide gate system for performance improvement](https://hyrefr.com/new-generation-ladle-slide-gate-system-for-performance-improvement/): The ladle slide gate system is acritical piece of flow control equipment in liquid steel casting.The service life of the slide gate plate is a limiting factor to achieve performance and is greatly dependent on the type of slide gate mechanism used.A new generation slide gatesystem is the key to achieving longer plate service life and hence higher productivity andmore economical operation.
- [Thermal Stress Cracking of ladle slide gate plate](https://hyrefr.com/thermal-stress-cracking-of-ladle-slide-gate-plate/): Thermal expansion of hot inside of plate causes exterior tensile hoop stress and crack growth towards interior: leading to both common through thickness cracks
- [the damage reasons to ladle sliding plates and the advantages and disadvantages of some slide gate plates](https://hyrefr.com/the-damage-reasons-to-ladle-sliding-plates-and-the-advantages-and-disadvantages-of-some-slide-gate-plates/): Before discussing the causes of damage to the ladle sliding plate, let's first take a look at the sliding mechanism of the ladle. The schematic diagram of the tundish and sliding plate structure is shown below:
- [The Unseen Champion of Continuous Steel Casting-Slide Gate Plate](https://hyrefr.com/the-unseen-champion-of-continuous-steel-casting-slide-gate-plate-2/): One of the main refractory materials in the steel continuous casting process is a slide gate plate. It mainly aims at controlling the flow of molten steel out of the ladle or tundish in a controlled manner.
- [5 Key Factors Behind Ladle Shroud Cracking](https://hyrefr.com/5-key-factors-behind-ladle-shroud-cracking/): Operators often see cracks and damage in ladle shrouds, long nozzles, and refractory parts. This happens because of a few main reasons:
- [How to extend the service life of slide gate plates in steel casting](https://hyrefr.com/how-to-extend-the-service-life-of-slide-gate-plates-in-steel-casting/): You can extend the life of your slide gate plate by selecting high-quality materials, employing effective operating methods, and performing regular maintenance.
- [How to choose ladle shroud from a China factory](https://hyrefr.com/how-to-choose-ladle-shroud-from-a-china-factory/): When you choose ladle shroud from a China factory, there are both risks and opportunities. Some suppliers may not always provide good quality or reliable service.
- [A Few Things You Should Know About the Ladle Nozzle](https://hyrefr.com/a-few-things-you-should-know-about-the-ladle-nozzle/): In steel production, ladle nozzles are critical equipment for the regulation of molten steel flow from the ladle to the tundish in the case of continuous casting
- [Everything You Need to Know about Sub Entry nozzle(SEN)](https://hyrefr.com/everything-you-need-to-know-about-sub-entry-nozzle-sen/): A submerged entry nozzle (SEN) is an essential refractory component of the continuous steel casting process.
- [The Key to Clean and Efficient Steel Casting-ladle shroud](https://hyrefr.com/the-key-to-clean-and-efficient-steel-casting-ladle-shroud/): A ladle shroud, long nozzle, shrouding pipe, or pouring tube is a highly critical refractory component in continuous steel casting. It is a hermetically closed tube between the tundish and ladle so that molten steel will pass unbroken but be shielded from atmospheric contamination. Steel quality would otherwise be severely degraded by oxidation, turbulence, and the formation of inclusions if not utilized.
- [The Unseen Champion of Continuous Steel Casting-slide gate plate](https://hyrefr.com/the-unseen-champion-of-continuous-steel-casting-slide-gate-plate/): When making steel, it is necessary to regulate the flow of molten steel. Slide gate plates are the valve between the molten metal and the mould, which enables the operators to control the flow rate accordingly. They are placed in ladles and tundishes and are needed to achieve a steady casting speed. An effective slide gate plate eliminates overflows, minimizes inclusions, and enhances yield, which has a direct effect on the quality of products and efficiency of operations.
- [Precise flow control in Continuous Steel Casting-tundish stopper](https://hyrefr.com/precise-flow-control-in-continuous-steel-casting-tundish-stopper/): Tundish stopper is an essential equipment in continuous steel casting that regulates molten steel flow from the tundish to the mold. Having the capability to provide accurate and stable control, it ensures consistent casting conditions, preserves product quality, and assists in the efficiency of the whole line.
- [the trial report of ladle shroud on Shanxi steel company](https://hyrefr.com/the-trial-report-of-ladle-shroud-on-shanxi-steel-company/): In June 2022, the aluminum carbon FZ slagline ladle shroud used on site has a normal service life of 4h, extreme erosion (breakage) of 5h, and steel grades Q235 and Q235B 
- [the trial report about our slide gate plates](https://hyrefr.com/the-trial-report-about-our-slide-gate-plates/): 2. From the test of slide gate plate situation, our company's slide gate plate has been used well once and can meet the requirements of the steel plant. The following are photos of the on-site slide gate plate test
- [the Iso refractory trial report Compared with Vesuvius](https://hyrefr.com/the-iso-refractory-trial-report-compared-with-vesuvius/): The steel plant produces 3.4 million tons of steel annually, but it is currently unable to produce at full capacity. The slab workshop has 4 electric furnaces, 4 refining LF furnaces, and 3 2-machine 2-stream slab continuous casting machines. 200-ton ladle and 25-ton tundish. T
- [The drawing regarding kinds of slide gate plate](https://hyrefr.com/the-drawing-regarding-kinds-of-slide-gate-plate/): here, you can find the most drawings of slide gate plate,such as 1qc,2qc,cs60,ft160 slide gate plate,LG series，flocon 4200,6300 slide gate plate
- [Ladle Shroud with Argon Injection and Gasket](https://hyrefr.com/ladle-shroud-with-argon-injection-and-gasket/): In CC practices, the gas shrouding and mechanical shrouding have been usually combined, that is injecting argon into a ladle shroud to improve the shrouding performance.Argon can be injected from the shroud neck as shown in Fig. 5(a), which has been widely used. An argon curtain is fixed around the head of the shroud in Fig. 5(b). A soft gasket is introduced to better the junction (Fig. 5(c)). In most cases, two or three of them have been adopted together to achieve optimized effects, as shown in Fig. 6. A small gasket is commonly used between the ladle shroud and the collector nozzle. The gasket is usually in annulus or frustum shape, made of either plaster or refractory materials added with ceramic fibers.
- [Performance Features of Submerged Entry Nozzle in High-Speed Casting on Thin-Slab Continuous Casting Machines](https://hyrefr.com/performance-features-of-submerged-entry-nozzle-in-high-speed-casting-on-thin-slab-continuous-casting-machines/): In the realm of modern steel manufacturing, thin-slab continuous casting machines (CCMs) have revolutionized production by enabling the creation of ultra-thin (50–150 mm) and high-quality steel slabs at unprecedented speeds (up to 8 m/min). Central to the success of this process is the ​submerged entry nozzle (SEN)​—a precision-engineered component that bridges the tundish and mold, controlling the flow of molten steel into the mold cavity. Unlike conventional casting nozzles, SENs in high-speed thin-slab casting face extreme demands: rapid flow rates, narrow liquid cores, and heightened sensitivity to defects. This article explores the critical performance features of SENs in this context, emphasizing their design, material science, and functional contributions to efficiency and product quality.
- [Before enquiry some questions you should know about slide gate plate](https://hyrefr.com/before-enquirysome-questions-you-should-know-about-slide-gate-plate/): In order to guarantee the successful application of slide gate plate (include upper nozzle, top plate, middle plate, bottom plate and lower nozzle; We would like to provide the following information for us to better understand the operation condition.
- [Before enquiry some questions you should know about ladle shroud](https://hyrefr.com/before-enquirysome-questions-you-should-know-about-ladle-shroud/): No.
Questions
Answer 1
Name of melt shop 冶炼车间名字 2
Steel grade 钢种 3
Capacity of ladle 钢包容量 4
The temperature range of molten steel in Ladle 钢包中钢水的温度范围 5
Casting time per heat 浇钢时间 6
The time needed to shift another heat 换包时间 7
Capacity of tundish 中包容量 8
The temperature range of molten steel in tundish 中包中钢水的温度范围 9
The chemical analysis of covering material in tundish 中包覆盖剂的化学成分 10
The chemical analysis of mould powder结晶器保护渣的化学成分 11
The service life of ladle shroud (Hours)长水口的寿命 12
Present supplier 目前的供货商 13
Problems needed to be solved 需要解决的问题
- [Refractory for Slide Plates](https://hyrefr.com/refractory-for-slide-plates/): During tapping of liquid steel through slide gate, the steel is passing through the slide plates and hence is subjected to the attack of slag and liquid infiltration in contact surface.
- [wear reason about the slide gate plate](https://hyrefr.com/wear-reason-about-the-slide-gate-plate/): slide gate plate is very important refractory in the steel making.So, we should know the reason for the wear after usage.

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dedicate on the folw control refractory only slide gate plate plant the outside of our plant the pressing machine in our slide gate plate plant the crack detector isostatical pressing machine the furnace of isostatical pressing plant Lab Devices focus on the flow control refractory only
HENAN YANGYU REFRACTORIES CO.,LTD. as HYRE located in Chinese Refractory bases Zhengzhou City Henan province in China .was founded in Aug,2008. Now,we have wholly-owned subsidiaries, HENAN METALLURGY MATERIAL LIMITED and Two joint venture factories (Luoyang & Shandong Tai’An) . There are about 220 employees.
The company has been focusing on the production for SEN, Ladle Shroud, Mono-stopper, sliding gate plate & nozzle and other high-grade refractories for more than 16 years,
- [Home](https://hyrefr.com/): Henan Yangyu Refractories Co.,Ltd manufactures all kind of flow control refractory with rich experience and specialized in the CCM refractory,such as slide gate plate,ladle nozzle,ladle shroud,tundish stopper,sub entry nozzle(SEN)
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## Products
- [Tundish metering nozzle&Zirconia insert](https://hyrefr.com/product/tundish-metering-nozzle-zirconia-inserts/): The metering nozzle for the tundish is made of calcium oxide and ZrO2 as the main raw materials through the combined grade of raw materials, and processed by high high-temperature burning technique for the nozzle. It has good thermal shock resistance, anti-corrosion, long service life, etc.   The metering nozzle for the tundish is applicable for the continuous casting of small blocks, especially a highly efficient continuous casting machine. The feature: 1. Low expansion, Superior resistance to erosion/corrosion and thermal shock cycling. 2. Extended casting sequence times. 3. Controlled and stable casting speed. 4. Resistance to oxygen lancing. 5 Changeless diameter and lasting long.
- [isostatical Tundish Nozzle](https://hyrefr.com/product/isostatical-tundish-nozzle/): Feature of Tundish Nozzle  1.Excellent thermal stability 2.High temperature strength 3.Resistance to molten metal and slag 4.Consistency in shape and size 5.Ability to sustain mechanical treatment without detriment to the surface integrity
- [collector nozzle](https://hyrefr.com/product/collector-nozzle/): Feature of HYRE nozzle   1.Excellent thermal stability 2.High temperature strength 3.Resistance to molten metal and slag 4.Consistency in shape and size 5.Ability to sustain mechanical treatment without detriment to the surface integrity
- [Inner Nozzle](https://hyrefr.com/product/inner-nozzle/): Adopting tabular corundum, white corundum, mullite as main materials.Choosing good anti-oxidation flake graphite as carbon source, adding aluminum metal powder, silicon metal powder and other additives to increase high temperature performance.Using phenolic resin as bonding which obtains high solid content and high carbon residue. Integrated with steel can to forming or shaping separately under high temperature.
- [submerged entry nozzle and shroud](https://hyrefr.com/product/submerged-entry-nozzle/): Product Features Ultimate production and conformity quality Special designs for quick change systems and thin slab casters Monolythic pressing of the different materials for a homogeneous structure High erosion-resistant zirconia materials in the slag zone for long casting times Different methods and materials against Alumina clogging Submerged Entry Nozzles for the usage without preheating (Cold-Start SEN)
- [Tundish Stopper](https://hyrefr.com/product/tundish-stopper/): A tundish stopper rod is used to regulate the flow rate of the molten metal being cast from the tundish into the mold, but some customers use the tundish slide gate plate instead of the stopper to control the liquid steel. Our stopper has some features as follows: extreme erosion and thermal shock resistant Different materials for the stopper tip, like MgO / Al2O3 / ZrO2, for an optimized regulation during casting We can deliver the monoblock stopper, including the stopper rod already pre-assembled
- [high performance burned slide gate plate](https://hyrefr.com/product/high-performance-burned-slide-gate-plate/): The Slide Gate Plate System is used to cast molten steel into tundish or ingots in a controlled manner. The Slide Gate Plates are placed outside the ladle and consist of two refractory plates – one fixed and another moving. The fixed plate is also called top plate and sliding plate is also called bottom plate. We mainly manufacture the unburned slide gate plate as follows: 1.CS60 2.CS80 3.LG21 LG21L 4.LG22 LG22L 5.SCS1000L SCS1000
- [ladle shroud](https://hyrefr.com/product/ladle-shroud/): The major roles of the Ladle Shroud : To protect the steel stream from re-oxidation between the ladle and tundish To introduce the steel into the tundish with minimum risk of tundish powder entrapment These roles are essential for most of the steel grades and steel applications. HYRE teams combine their respective skills and experience in material selection and refractory design to offer a wide range of custom-tailored Ladle Shrouds and Gaskets that can fit each steel producer's needs.
- [high performance unburned slide gate plate](https://hyrefr.com/product/unburned-slide-gate-plate/): The Slide Gate Plate System is used to cast molten steel into tundish or ingots in a controlled manner. The Slide Gate Plates are placed outside the ladle and consist of two refractory plates - one fixed and another moving. The fixed plate is also called top plate and sliding plate is also called bottom plate. We mainly manufacture the unburned slide gate plate as follows: 1.1QC slide gate plate 2.2QC slide gate plate 3.FLOCON 4200 slide gate plate 4.FLOCON6300 slide gate plate 5.LS70 slide gate plate 6.FT160 slide gate plate 7.2bk,3bk slide gate plate

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