Item项 目 \ Brand牌 号 |
QN3 |
QN53 |
QAM |
QBM |
SDHA55 -SF |
QAT |
QAT-SF |
QBT |
SiC % |
≥40 |
≥42 |
≥55 |
≥55 |
≥55 |
≥35 |
≥35 |
≥30 |
Fe2O3 % |
|
≤1.6 |
≤1.3 |
≤1.3 |
≤1.2 |
≤1.0 |
≤1.0 |
≤1.2 |
Al2O3 % |
|
|
|
|
|
≥30 |
≥10 |
≥40 |
耐火度 ℃ MPa Refractoriness |
≥1690 |
≥1770 |
≥1770 |
≥1770 |
≥1790 |
≥1770 |
≥1770 |
≥1770 |
显气孔率 % Mpa Apparent Porosity |
≤24 |
≤16 |
≤18 |
≤17 |
≤17 |
≤21 |
≤21 |
≤21 |
体积密度 g/cm3 Bulk Density |
|
|
≥2.4
|
≥2.45
|
≥2.45
|
≥2.5
|
≥2.5
|
≥2.5
|
常温耐压强度 Mpa Cold crushing strength |
≥25
|
≥70
|
≥75
|
≥85
|
≥60
|
≥85
|
≥75
|
≥85
|
常温抗折强度 MPa Modulus of rupture |
|
|
|
|
|
|
|
|
高温抗折强度 (1000℃×0.5h) MPa Modulus of rupture |
|
|
|
|
|
≥20 (1100℃×0.5h)
|
|
|
荷重软化温度T2 ℃ Refractoriness under Load |
≥1450 |
≥1500 |
≥1500 |
≥1500 |
≥1600 |
≥1600 |
≥1600 |
≥1600 |
重烧线变化率 % Permanent Linear Change 1350 ℃×2h |
+0.1~-0.5 |
+0.1~-0.5 |
+0.1~-0.5 |
+0.1~-0.5 |
|
+0.1~-0.5 |
+0.1~-0.5 |
+0.1~-0.5 |
热震稳定性,次(1100℃ 水冷) Thermal shock resistance(cycles) |
|
≥10 |
≥30 |
≥22 |
≥4次 (1300℃水冷)
|
≥40 |
≥30 |
≥50 |
热膨胀率 % 1000℃ Themal Expansion
|
|
|
|
|
|
|
≤0.6 |
|
耐磨性 Abrasion resistance |
良 Good |
良 Good |
良 Good |
良 Good |
优 Excellent |
优 Excellent |
优 Excellent |
优 Excellent |
使用部位 Application |
装入带 及非工作层 |
预存带 循环装置 |
预存带 循环装置 吸引带
|
冷却带 |
斜道区 |
斜道区 |
斜道区 |
炉口 |