Luoyang Sinostep manufactures a wide range of tundish refractories for continuous casting steel making.
And provide a very wide range of Tundish zirconia Nozzles used for controlling the flow of liquid steel from the Tundish refractories to the Continuous Casting equipment including:
*Zirconia Nozzles - Manufactured in 70% to 95% Zirconia content.
*Isostatically Pressed Nozzles - made in Alumina Carbon quality for medium and small steel plants.
Technical datas for tundish metering nozzle:
Item | Zirconia nozzle inserts | Alumina
nozzle outer |
| x-1 | x-2 | x-3 | x-4 | x-5 | x-6 | x-7 | w-1 | w-2 |
| Zr(Hf)O2 | ≥ | 70 | 75 | 80 | 94 | 94 | 94 | 95 | - | - |
| Al2O3 | ≥ | - | - | - | - | - | - | - | 70 | 78 |
| Bulk density g/cm3 | ≥ | 3.4 | 3.7 | 3.9 | 4.6 | 4.7 | 4.8 | 4.9 | 2.2 | 2.4 |
| Apparent porosity,% | ≤ | 22 | 22 | 20 | 19 | 17 | 13 | 10 | 24 | 22 |
| Service Life,hrs | ≥ | 2 | 4 | 6 | 8 | 10 | 12 | 15 | - | - |
Thermal shock resistance ,cycle,
(1200ºC water-quenching) | ≥ | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Application | Used for con-casting small square billet and controlling flow rate.
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Luoyang Sinostep Ceramic Co., Ltd. works in the refractories and high temperature materials market nearly 20 years. The main activities are - developing, producing and selling the best quality materials and shaped products for steel making,foundry,powder metallurgy,glass producing and mechanical setting industries.
The main products of the company as following: tundish nozzles,well blocks, zirconia metering nozzles, zirconia atomizing nozzles,ceramic tooling parts and crucibles,CaO and MgO partial stabilized zirconia powder,white fused alumina,brown fused alumina and various mullite products.
Luoyang Sinostep Ceramic Co., Ltd. also worked with some other quality suppliers together to supply other related products at competitive price,such as refractory bricks, tundish nozzle quick changers, copper mould tubes,steel cans for tundish nozzles and slide gates,hydraulic station,hydraulic oil cylinder,high-temperature laboratory electric furnace, zirconia fiber blanket.
Luoyang Sinostep Ceramic Co., Ltd. are selling products to Russia,Indonesia,India,Iran,Pakistan,Thailand and more than 20 countries.
The company's success due to a balanced development strategy based on rapid response to user demand, the knowledge and understanding of market trends and demands of modern refractories industry.
