连铸中间包用莫来石挡渣堰板,高铝质挡渣堰板,铝镁浇注料第我厂开发的适用于连铸中间包用,具有热稳定性好、抗耐蚀能力强等特点,它采用高铝,超细粉低水泥浇注工艺技术生产,具有工艺先进,质量稳定,性能优良的特点。
Synthetic mullite slag dam ,high-alumina salg dam and Mg-Alcastable for continuous cadting tundish developed by this factory has good heat stsbility ,strong erosion resistance .It is produced by adopting high aluminium and super fine powder little cement casting workmanship ,which has such advantages as advanced craft , stable quality and distinguished function .
指标牌号 | HK-AML-70 | HK-AML-65 | HK-AML-60 | 指标牌号 | HK-AZB-60 | HK-AZB-50 |
材质 | 铝镁浇注料 | 材质 | 莫来石质挡渣堰 | 高铝质挡渣堰 |
Al2O3 % | ≥70 | ≥65 | ≥60 | Al2O3 % | 60 | 50 |
MGO % | ≥8 | ≥8 | ≥8 | 体积密度g/cm3 | 2.4 | 2.3 |
体积密度g/cm3
110℃×24h | ≥30 | ≥25 | ≥20 | 耐压强度Mpa | 20 | 20 |
耐压强度Mpa
110℃×24h | ≥30 | ≥25 | ≥20 | 耐火度℃ | 1790 | 1790 |
抗折强度Mpa
110℃×24h | ≥7.5 | ≥7.0 | ≥7.0 | 热震稳定性(次) | >20 | >20 |
线变化率%
1450℃×3h
| ±0.5 | ±0.5 | ±0.6 | 热膨胀率%
1600℃×3h | +1.5 | +2.0 |
最高使用温度℃ | 1730 | 1700 | 1680 | 导热系数
800℃ W/m.k | 1.2 | 1.1 |
| | | | 使用部位 | 连续中间包下部 | 连续中间包上部 |