calcium alumina is good auxiliary material for melting the steel. it can slow the melting time.
calcium alumina/steel slag/ blast furnace slag/aluminum slag/pre-melting slag
There are three main Series: calcium ferrite Series, Calcium Silicate Series; calcium aluminate series.
Characteristics:
1) Uniform composition, low melting point slag minerals (≤ 1350 ), melting fast, melting time shortened, slag forming fast, and reducing dust pollution.
2) The proper viscosity of slag can promote the inter-deoxy-desulfurization reaction between slag and molten steel.
5) Effective adsorption capacity of inclusions, a certain role in the deoxy and deoxy, helping purify the molten steel.
6) Non-absorbent, facilitate the storage and transport.
7) Applies to LF, SKF, VHP and other refining process, can greatly improve molten steels quality and service life of ladle.
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Category | CaO | Al2O3 | SiO2 max | TiO2 max | Fe2O3max | MgOmax | FCaF2 | P.Smax |
WCA-3.5 | 49-54 | 40-45 | 3.5 | 2.8 | 2.0 | 2.0 |
| 0.05 |
WCA-3.52 | 50-56 | 36-44 | 3.5 |
|
|
|
| 0.05 |
WCA-6.0 | 47-52 | 40-45 | 6.0 | 2.8 | 2.0 | 2.0 |
| 0.05 |
WCA-25 | 34-38 | 33-37 | 22-26 | 2.5 | 2.0 | 2.0 |
| 0.05 |
WCA-C53 | 53-58 | 33-37 | 4 | 2 | 1.5 | 3 |
| 0.05 |
WCA-F10 | 56-58 | 18-20 | 5 |
|
| 5-8 | 10 | 0.05 |
WCA-F25 | 38-42 | 28-32 | 5 |
|
|
| 23-27 | 0.05 |
WCA-M3 | 45-55 | 40-45 | 4 |
|
| 2-4 |
| 0.05 |
WCA-M5 | 47-51 | 37-41 | 5 | 2.5 | 2.0 | 4-7 |
| 0.05 |
WCA-M10 | 20-25 | 55-60 | 5 | 3.5 | 2.0 | 8-12 |
| 0.05 |
Calcium alumina/synthetic slag
