The monoblock stoppers are used in tundish serving the function of regulating the flow of molten steel from tundish to mould. It also has the function of preventing the nozzle from blocking by blowing argon to the tundish nozzles. The monoblock stopper produced by our company is characterized by high strength, high erosion resistance and high thermal shock resistance. The longest monoblock stopper we can produce is 1800mm. The quality can be designed to meet the longest service life.
| |
monoblock stoppers |
| |
Body |
Head |
| Al2O3 % |
≥55 |
≥55 |
|
| MgO % |
|
18-25 |
≥60 |
| C % |
≥22 |
≥8 |
≥13 |
| B.D g/ cm3 |
≥2.5 |
≥2.6 |
≥2.6 |
| A.P % |
≤14 |
≤13 |
≤13 |
| MOR Mpa |
≥6 |
≥7 |
≥7 |
| CCS Mpa |
≥22 |
≥23 |
≥23 |
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