|
牌号Brand
项目Items |
高炉用粘土砖
Blast furnace uses clay brick | ||
|
ZGN-42 |
GN-42 | ||
|
Al2O3% ≥ |
42 |
42 | |
|
Fe2O3% ≤ |
1.6 |
1.7 | |
|
耐火度℃Refractoriness ≥ |
1760 |
1760 | |
|
体积密度BD g/cm3 ≥ |
2.3 |
2.2 | |
|
显气孔率AP% ≤ |
15 |
16 | |
|
0.2Mpa荷重软化开始温℃RUL ≥ |
1450 |
1430 | |
|
常温耐压强度CCS Mpa ≥ |
58.8 |
49.0 | |
|
重烧线变化%PLC |
1450℃，2h |
0~-0.2 |
0~-0.3 |
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