Project Description
| Product Name | Delta Castable for EAF Roof |
| Description | Shenghe Refractories has engineered the Delta castable for EAF Delta to achieve highest refractoriness in a wide range of operating conditions including thermal shock, steel slag washing and gas attack, high-temperature radiation and the air abrasion caused by dust flow. Delta Castable is produced by ultrafine powder technology, high-quality binders and additives, and the precise distribution of the grain size to meet with different customers’ needs. |
| Features | Ø Good thermal shock resistance Ø Good volume stability and long service life Ø Excellent in erosion and corrosion resistance Ø High temperature impact from electrodes Ø High temperature radiation during melting and treatment of steel Ø Suitable for normal EAF, Ultra High Power EAF, Refining Furnace and VD Furnace Roof Ø Pre-cast Delta roof can be tailor made accordingly to customer specifications. |
| Packaging | 25kg Moisture Resistant Bags packed in 1T Jumbo Bag |
| Shelf Life | 6 months |
| Properties | SH-DC82 | |
| Al2O3 | % | ≥82 |
| Fe2O3 | % | 1 |
| SiO2 | % | 9.1 |
| TiO2 | % | 1.5 |
| CaO | % | 1.4 |
| Na2O+K2O+LOI | % | 0.5 |
| MgO | % | 4.5 |
| Grain Size | mm | 0 – 6 |
| Bulk Density After Drying at 100℃ |
gm/cc Min | ≥ 2.90 |
| Cold Crushing Strength after heating to | 110℃ x 24h | 500Kg/sq.cm min |
| 1110℃ x 3h | 650Kg/sq.cm min | |
| 1600℃ x 3h | 750Kg/sq.cm min | |
| Modulus of Rapture after heating to | 110℃ x 24h | 150Kg/sq.cm |
| 1110℃ x 3h | 160Kg/sq.cm | |
| 1600℃ x 3h | 190Kg/sq.cm | |
| Permanent Linear Change (%) | 1600℃ x 3h | +/- 1.5 Max |
| Water addition per 100kg | 5.0 – 7.0 L | |
| Method of Installation | Vibration Casting | |