Packages of carbon steel brick
Categories：
Refractory Material Is Used For The Steelmaking System
Email：fuhaoyejin2024@163.com
|
Item/Index/brand |
CL-55 |
CL-65 |
CL-75 |
CL-80 |
PZCL-78 |
underlay | wallpapering | |
|
AL2O3% |
≥55 |
≥65 |
≥75 |
≥80 |
≥78 |
≥68 |
≥60 |
|
|
MgO % |
/ |
/ |
/ |
/ |
/ |
≥10 |
≥15 |
|
|
Fe2O3% |
/ | / | / |
≤2.0 |
≤2.0 |
/ | / | |
| 0.20MPa load softening temperature ℃ |
≥1470 |
≥1490 |
≥1510 |
≥1530 |
≥1550 |
/ | / | |
| Rate of change of refired lines % |
1450℃ x 2h |
0.1-0.5 |
/ |
/ |
/ | / | / | / |
|
1500℃x2h |
1！ |
0.1-0.5 |
0.1-0.5 |
/ |
/ |
/ |
/ | |
|
1550℃x 2h |
/ |
|
/ |
0.1-0.5 |
0.4-0.3 |
/ | / | |
| Porosity % |
≤22 |
≤28 |
26 |
≤24 |
≤21 |
≤8 |
≤8 |
|
| Bulk density g/cm3 |
/ |
/ | / | / | / |
≥3.0 |
≥3.0 |
|
| Normal temperature compressive strength Mpa |
≥45 |
≥35 |
≥40 |
≥50 |
≥70 |
≥55 |
≥50 |
|
Key words:
Electric furnace partly precast blocks
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