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高强度树脂镁碳砖等级制品
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项 目 |
一级品 |
二级品 |
三级品 |
| 指 标 |
指 标 |
指 标 |
MT10A |
MT10B |
MT10C |
MT14A |
MT14B |
MT14C |
MT18A |
MT18B |
MT18C |
MgO,% 不小于 |
80 |
78 |
76 |
76 |
74 |
74 |
72 |
70 |
70 |
C,% 不小于 |
10 |
10 |
10 |
14 |
14 |
14 |
18 |
18 |
18 |
显气孔率,% 不大于 |
4 |
5 |
6 |
4 |
5 |
6 |
3 |
4 |
5 |
体积密度 BD, g/cm3 不小于 |
2.90 |
2.85 |
2.80 |
2.90 |
2.82 |
2.77 |
2.90 |
2.82 |
2.77 |
常温耐压温度,MPa 不小于 |
40 |
35 |
30 |
40 |
35 |
25 |
40 |
35 |
25 |
高温抗折强度,MPa 不小于
1400℃,30min,MPa |
6 |
5 |
4 |
12 |
8 |
5 |
10 |
7 |
4 |
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广泛应用于转炉、电弧炉、大功率直交流电炉渣线、出钢口等部位。
|
不烧镁钙（碳）砖理化指标 |
| 化学成分/% |
休积密度
/g.cm-3 |
常温耐压强度/MPa |
显气孔率/% |
高温抗折强度1400℃，MPa |
| 灼减 |
MgO |
CaO |
C |
| 0.46 |
75 |
≥10 |
5 |
≥2.95 |
≥45 |
5.0 |
6 |
| 0.46 |
72 |
16 |
5 |
2.95 |
≥45 |
5.0 |
6 |
|
铝镁铬系列制品
Alunium/Magnesium/Cmromiun Series Products |
公司生产的铝镁铬系列制品广泛应用于有色冶炼、炉外精炼、电炉、转炉等热工窑炉工作内衬，制品不沾渣、耐侵蚀、抗剥落，具有良好的高温性能。
They are widely used in non-feruous metal smelting, refining smelting, electric furnace, converter as inner lining. Featuring for non-adhering of salg. Anti-corrosion and anti-peeling off, also for its fine high temperture. Property. |
 |
项目 Item |
品种 |
铝镁砖 |
铝铬砖 |
镁铝铬砖 |
MgO % |
≥65 |
— |
≥87.5 |
Al2O3,% |
— |
70-80 |
≥5.5 |
Cr2O3,% |
10-25 |
10-20 |
≥1.5 |
SiO2,% |
— |
≤3 |
— |
显气孔率 % |
≤18 |
≤22 |
≤5 |
常温耐压强度 Mpa |
≥40 |
＞40 |
≥55 |
0.2Mpa 荷重软化温度℃ |
≥1680 |
≥1620 |
≥1650 |
重烧线变化,% |
— |
(1600℃×3h)0.5 |
— |
抗折强度,Mpa |
（1200℃ -1400℃）≥6 |
— |
— |
|
高荷软砖
High RUL bricks
该产品具有荷重软化温度和强度高，热震稳定性好和耐磨性优越的特点，主要用于大中型回转窑高温部位，代替镁铬砖并适用于冶金行业电炉、转炉等主要部位。
These products high RUL good thermal shock resistance, high strength and abrasion resistance, Their main applications are as followings; high temperature zone of large and medium size rotary kilns, substituting magnesite chrome bricks in main part of electric furnace and converter for metallurgical industry. |
|
PH-75 |
PH-80 |
化学成份
Chemiacl composition,% |
Al2O3% |
≥75 |
≥80 |
Fe2O3% |
≤1.5 |
≤1.5 |
显气孔率 Apparent porosity,% |
≤20 |
≤18 |
体积密度 BD,g/cm3 |
2.65 |
2.7 |
耐压强度 CCS,Mpa |
≥70 |
≥80 |
| 荷重软化开始温度 RUL,℃ |
≥1550 |
≥1570 |
重烧线变化 Linear change on reheating（1550℃×3h）,% |
-0.8～+0.3 |
-0.8～+0.3 |
热震稳定性 (900℃水冷）Thermal shock Resistance cycles,≥ |
≥40 |
≥40 |
|
蓝晶石高铝制品
Kyanite high alumina products
|
冶金部下达的宝钢用热风炉砖H24 |
| Al2O3,% |
≥60 |
| 耐火度 Refractoriness,℃ |
≥1820 |
| 显气孔率 Apparent porosity,% |
≤24 |
| 耐压强度CCS,Mpa |
≥40 |
|
红柱石砖
|
腊石砖 |
| 化学成份 |
Al2O3,% |
≤50 |
| Fe2O3,% |
≤1.0 |
| SiO2,% |
≥48 |
| 体积密度 BD,g/cm3 |
≥2.35 |
| 常温耐压强度 CCS,Mpa |
≥60 |
| 显气孔率 Apparent porosity,% |
≤22 |
| 荷重软化开始温度 RUL,℃ |
≥1400 |
| 耐火度 Refractoriness,℃ |
≥1770 |
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