鋼包底吹氬透氣磚及座磚
項目Item |
高檔鋁鉻質透氣磚 Grade AI2O3- Cr2O3 Based |
中檔鋁鉻質透氣磚 Medium Grade AI2O3- Cr2O3 Based |
高純剛玉質透氣磚high Purity Corundum Based |
鉻剛玉座磚 Chrome-corundum Well Block |
剛玉尖晶石座磚 Well Block |
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ZY-LGT-1 |
ZY-LGT-2 |
ZY-GGT |
ZY-GGTZ-1 |
ZY-GGTZ-2 |
ZY-GLZ |
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AI2O3(%)≥ |
90 |
88 |
92 |
70 |
80 |
75 |
||||
MgO(%)≥ |
3 |
3 |
4 |
- |
- |
5 |
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Cr2O3(%)≥ |
3 |
3 |
- |
2~5 |
2~5 |
- |
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體積密度BD(g/cm3)≥ |
3.1 |
3.0 |
3.1 |
3.0 |
3.0 |
3.0 |
||||
常溫耐壓強度 CCS(MPa)≥ |
80 |
80 |
80 |
60 |
80 |
80 |
||||
耐火度Refractoriness(℃) ≥ |
1790 |
1790 |
1790 |
1790 |
1790 |
1790 |
||||
荷重軟化溫度 RUL(℃) ≥ |
1670 |
1650 |
1650 |
1650 |
1660 |
1770 |
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流量Flow rateNm3/h 0.2~1.0(MPa) |
13~60 |
13~60 |
13~60 |
- |
- |
- |
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用途(Application) |
用于爐外精煉鋼包底吹氬 Used for bottom argon blowing for Secondary refining |
用于爐外精煉鋼包底吹氬透氣磚的配套Accessories for argon blowing Porous Plugs |

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