S0 S1 S2 S3 S4/1 S4/2 S5 S6
1770< Refractoriness< 2000
Long Time Materials
Refractory Material
Block
Alumina Block
According to The Customers Requirements Size
WAM
Wooden Box
Iso9001: 2008
China
69032000
Product Description
The 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 stopper produced by our company is characterized by high strength, high erosion resistance and high thermal shock resistance. The bigest stopper we can produce is S6. The quality can be designed to meet the longest service life. Moreover, we could produce them according to the customers requirements size.
| Mark Item | Body | Head | |
| WAM-MBSB | WAM-MBSHA | WAM-MBSHB | |
| Al2O3 | ≥55 | ≥55 | |
| MgO | 18-25 | ≥60 | |
| ZrO2 | |||
| C | ≥22 | ≥8 | ≥13 |
| B.D g/ cm3 | ≥2.5 | ≥2.65 | ≥2.6 |
| A.P % | ≤14 | ≤13 | ≤13 |
| MOR Mpa | ≥6 | ≥7 | ≥7 |
| CCS Mpa | ≥23 | ≥25 | ≥25 |
| Application | General using body material | General using head material | Used for Ca-Si steel. |
