Carbon-free ladle bricks
Index |
CL-55 |
CL-65 |
CL-75 |
CL-80 |
PZCL-78 |
Ladle bottom bricks |
Ladle wall bricks |
|
AL2O3, % |
≥55 |
≥65 |
≥75 |
≥80 |
≥78 |
≥68 |
≥60 |
|
MgO , % |
/ |
/ |
/ |
/ |
/ |
≥10 |
≥15 |
|
Fe2O3, % |
/ |
/ |
/ |
≤2.0 |
≤2.0 |
/ |
/ |
|
Softening onset temperature at 0.2 MPa load RUL, ℃ |
≥1470 |
≥1490 |
≥1510 |
≥1530 |
≥1550 |
/ |
/ |
|
Reburning line change rate PLC,% |
1450℃×2h |
0.1~0.5 |
/ |
/ |
/ |
/ |
/ |
/ |
1500℃×2h |
/ |
0.1~0.5 |
0.1~0.5 |
/ |
/ |
/ |
/ |
|
1550℃×2h |
/ |
|
|
0.1~0.5 |
0.4~0.3 |
/ |
/ |
|
Apparent porosity, % |
≤22 |
≤28 |
≤28 |
≤24 |
≤21 |
≤8 |
≤8 |
|
Bulk density , g/cm3 |
/ |
/ |
/ |
/ |
/ |
≥3.0 |
≥3.0 |
|
Normal temperature compressive strength CCS,Mpa |
≥45 |
≥35 |
≥40 |
≥50 |
≥70 |
≥55 |
≥50 |
Relevant case
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