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SNREF Multilayer Composite Refractory Tundish Nozzle
Product Description
Shandong Sinorefractory New Materials Co., Ltd manufactures a comprehensive range of high performance Zirconia Tundish Metering Nozzles,
used mainly in the continuous casting machine of steel billets.
Tundish Nozzles usually comprise a zirconia inner nozzle (often referred to as a "zirconia insert") with a lower grade outer body such as Alumina Bauxite, often called Outer Alumina Carbon material.
TUNDISH NOZZLE is used for continuous steel casting.
SNREF Products used in Tundish can be offered to you as follows:
Tundish metering nozzle
Non swirling tundish nozzle
Tundish upper nozzle
Tundish lower nozzle
Tundish slide plate
Quick-exchange tundish nozzle
Ladle shroud
Subentry nozzle/ submerged entry nozzle
Monoblock stopper
This product is suitable for continuous cast tundish open cast steel.
The zirconium insert is made of high-purity zirconia, which is formed by high-pressure molding and sintering at high temperature.
The outer is made of corundum and high-quality aluminum vanadium.
It is formed by high pressure molding and baked at low temperature.
The two are bonded with corundum mud, and the product's corrosion resistance and thermal shock stability have reached the domestic advanced level, which can fully meet the needs of various billet continuous casting.
Detailed Photos
Metering Tundish Nozzle
Non swirling tundish nozzle :
Zirconia insert products for refractories tundish nozzle:
Product Parameters
1. Tundish Nozzle
Chemical and Physical Properties | LQTN- AlC75 | LQTN- AlC80 | LQTN- Al75 | LQTN- Zr96 | LQTN- Zr65 |
Al2O3 ≥ % | 75 | 80 | 94 | -85 | - |
ZrO2 ≥ % | - | - | - | (Insert) 92-96 | 65 |
C ≥ % | 4 | 4 | - | - | - |
Apparent porosity ≤ | 8 | 7 | 15 | 9 | 20 |
Bulk density g/cm3 ≥ | 2.90 | 2.95 | 2.95 | 3.05 | 3.5 |
Compressive strength (MPa) ≥ | 60 | 60 | 120 | 80 | - |
High temperature bending strength (MPa) (1400*0.5h) MPa ; ≥ | 6 | 7 | 15 | 20 | - |
2. Zirconia insert
Chemical and Physical Properties | LQZr60 | LQZr70 | LQZr80 | LQZr85 | LQZr95 |
ZrO2 ≥ % | 60 | 70 | 80 | 90 | 95 |
Apparent porosity ≤ | 21 | 20 | 18 | 15 | 6 |
Bulk density g/cm3 ≥ | 3.70 | 3.90 | 4.0 | 4.35 | 5.2 |
Refractories ≥ C | 1800 | 1800 | 1850 | 1900 | 1900 |
Application
SINOREFRACTORY Tundish upper nozzle .It is located within the tundish lining and conveys steel to the controlling exchangeable nozzle, which determines the steel flow.
The stationary nozzle must be capable of withstanding long sequence times.
SNREF Upper nozzle that incorporates a ultra-high insert.
The insert provides excellent erosion resistance and can provide extended casting sequence times.
The lower surface of the stationary nozzle is ground to exacting tolerances to ensure maximum surface contact between the two nozzle components. Tundish lower nozzle It is located within an assembly that is fixed to the bottom of the tundish.
The design of the exchangeable nozzle can vary according to the system manufacturer.
We supplying a range of zirconia inserts and composite nozzle designs for the exchangeable metering of steel.
Zirconia inserts can be supplied for on-site assembly into metallic holding blocks where cementing, grinding, size banding and on site drying are required prior to use.
It was manufactured by both cast process of fine grained alumina method or presse process.
Company Profile
Shandong Sinorefractory New Materials Co.,Ltd (SinoRefractory)has been focusing on international marketing of flow control refractories in iron and steel industry for 17 years.
SinoRefractory is the second generation of refractories export enterprise developed out of EMEI Group.Supported by one of China's largest production bases in functional refractory materials.
Through years of development in the field of exporting top quality refractories to worldwide markets,SinoRefractory aims at researching,producing,marketing and exporting high standard Ladle slide gate plate,Ladle Nozzles,Well blocks,Purging plugs,Nozzle stuffing sand,Refractory castables, Slide gate Mechanisms etc.
Up to now,SinoRefractory has supplied high quality refractory products and services to nearly 70 top-hundred global steel enterprises.
SinoRefractory will always put clients'interest in the first place,striving to provide a wide range of services,including technical solution,pre-sales support,after-sales services,installation team support,professional know-how according to the changing of steelmaking condition,etc.
We are not only selling products,we are more focused on supporting,developing and growing together with clients.
Packaging & Shipping
FAQ
Q 1:How can I receive best materials or products for my application ?
A: Please send drawing and steelmaking condition to us for evaluation.
Our technical team will recommend suitable formula and workmanship,
our sales team will offer most competitive prices accordingly.
Our "Technical+Sales" team will work on to provide optimum product recommendation for clients.
Q 2:Is the recommended life time guaranteed by SNREF ?
A: Taking into comprehensive consideration base on steelmaking situation and SNREF's product experience, we'll
offer recommended life time of products.
However SNREF doesn't guarantee the life time.
For first time cooperation, SNREF recommends a trial order for testing.
Trial order offers us chance to adjust formula base on actual performance.
SNREF will offer best technical support and expedited delivery for trial order.
Q 3:Can SNREF's refractories work well for my system from other brands?
A: With years of experience in exporting. SNREF has successfully provided refractory materials to a wide range of overseas markets including Asia, North Amercia, South America, Middle East, CIS area etc.
We are experienced with various types of systems.
SNREF is capable to offer consistent and high performance refractory materials to clients worldwide.
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