Release time: 2018-06-20 16:35:34 Page viewed: 161
Keywords
synthetic calcium aluminate slags, premelted refining slags, calcium aluminate, premelted calcium aluminate, flux
Introduction
At present, most steel plants in the world generally adopt Ladle refining, to reduce gas inclusion and make molten stell evenly, in order to realize high yield, high quality and low cost steel making. So Synthetic Calcium Aluminate Slags is designed and manufactured to meet the above requirement and take a very important role in steel refining.
TRADE MARK: HNKINGWAY
Properties
Low molten point, fast molten, shorten refining time and energy consuming.
Good fuidity, desulphurization and inclusion reducing
No flame, little dust emission and good safety in use
No water absorption and no metamorphosing
Effectual submerged arc, and reduce electric arc to burn and erode ladle lining, and enhance ladle life.
TRADE MARK: HNKINGWAY
Specification
1. CaO: 49 - 54% Al2O3: 41 - 45% SiO2: 3.8% max. TiO2: 2.8% max. Fe2O3: 1.8% max. MgO: 2.0% max.
2. CAO : 53% - 56% , AL2O3 : 32% - 37% , SIO2 : 4%MAX , FE2O3 : 1.5% MAX , MGO : 3% MAX , P : 0.05% MAX , S : 0.1% MAX
TRADE MARK: HNKINGWAY
3. Al2O3 39 - 43% CaO 32 - 36% SiO2 5.5% max Fe2O3 3% max TiO2: 4% max MgO: 11 - 15%
4. CaO: 47-53%, Al2O3: 43-49%, TiO2: 0.05% max, Fe2O3: 0.15% max, SiO2: 1% max, MgO: 0.2% max, S: 0.08 max
5. CaO 48-53 %, Al2O3 38-43 %, SiO2 3.5 %MAX, TiO2 2 % MAX, Fe2O3 1.2 % MAX
6. MgO 10,5 % min, CaO 22,0 % min. Al2O3 49,5 % min. SiO2 7,0 % max. Fe2O3 3,5 % max.
TiO2 4,0 % max.
7. CaO 33% Min. Al2O3 50-55% SiO2 6.0% Max. TiO2 4.0% Max. MgO 2.0% Max.Fe2O3 2.5% Max.
8. CaO : 47-56%, Al2O3 : 35-44%, SiO2: 5% max. Fe2O3: 2.0% max. P: 0.15% max, S: 0.15% max
9. MgO:11.0% min, CaO:32 % min, Al2O3:39% min, SiO2 : 5.5% max, Fe2O3:3.0% max, TiO2 : 4.0% max
TRADE MARK: HNKINGWAY
10. CaO: 45 - 52%, Al2O3: 33-40%, MgO: 8-15%, SiO2: 3% max, S: 0.1% max, P: 0.05% max, TiO2: 0.06% max
Size: 0-30 mm
Melting point: 1350 C max
Principal mineralogical phase: C12A7
CAS No.: 65997-16-2 or 12042-68-1
Other specification can be manufactured according to customers requirement.
TRADE MARK: HNKINGWAY
Application Method
Adding Calcium Aluminate into in the furnace. Dosage: one ton molten steel needs Calcium Aluminate around 2-10 kg, and density of molten steel is greater than Calcium Aluminate. Then, argon gas is pumped in from the bottom of furnace, it drives the calcium aluminate to mix with the molten steel completely. Meanwhile, the molten Calcium aluminate adsorbs sulphur substance. Finally, dregs will suspend on the surface of molten steel due to it’s low density and can also keep warmness.
Application Functions
Desulphurization
Deoxygenation
Impurities absorption
Ladle lining protection
Packing
1200KG, 1000KG per sack
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