Covering powder is mainly used to cover the molten steel surface of ladle and tundish in the process of continuous casting. The function is to avoid excessive temperature drop of molten steel during transportation and casting, and cold steel on molten steel surface.
PRODUCT FUNCTION
Heat insulation to prevent steel surface crusting;
Isolating air and prevent secondary oxidation of molten steel;
Absorbing the non-metallic inclusions on the steel surface and purifying the molten steel.
TECHNICAL SPECIFICATIONS
|
Type |
FGJ-1 |
FGJ-2 |
FGJ-3 |
FGJ-4 |
|
Moisture % ≤ |
1 |
1 |
1 |
1 |
|
Particle size ≤ |
2mm |
2mm |
2mm |
2mm |
|
Carbon content% |
≤20 |
≥6 |
--- |
≤20 |
|
CaO/SiO2 |
0.3~1.0 |
≥0.9 |
≥0.9 |
1~5 |
|
Applicable steel grade |
Carbon steel, excellent carbon steel, low alloy steel, etc |
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|
Applicable section |
Steel ladle, Tundish |
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