95% Silicon carbide grain 1-5mm 1-10mm deoxidizer
95% Silicon carbide grain 1-5mm 1-10mm deoxidizer is an excellent material to replace ferrosilicon in the steelmaking process. The main application of black silicon carbide in cast iron & ductile iron foundry is deoxidizer due to its high refractory stability, good thermal stability, high-temperature slag resistance, and good deoxidization and reduction properties. Adding silicon carbide to the iron before casting can improve the performance and quality of cast iron. Usually, 85-90% silicon carbide is suitable for the casting of gray cast iron, and 97-98% silicon carbide is suitable for the casting of ductile iron.
95% Silicon carbide grain 1-5mm 1-10mm deoxidizer Features:
- After adding silicon carbide to molten iron, it can be converted into carbon and silicon in cast iron, increasing the carbon equivalent.
- The carbon and silicon decomposed by silicon carbide in molten iron have a greater internal energy than the carbon and silicon in the molten iron itself. The carbon in the molten iron does not precipitate and cannot produce deoxidation. As a result, the carbon in silicon carbide can achieve deoxidation reduction.
- The deoxidation effect of silicon carbide is beneficial for graphite nucleation and can improve the processing and mechanical properties of cast iron.
- Adding silicon carbide to cast iron can increase the degree of graphitization and reduce the tendency for white spots. Thereby improve the mechanical properties of cast iron. For ductile iron, the number of graphite spheres can be increased to improve the nodularization rate.
- The deoxygenation products generated by silicon carbide deoxygenation will undergo metallurgical reactions in the molten iron. So, it reduces the harmful effects of oxides in the corrosive furnace material and achieving the purification effect of the molten iron.
95% Silicon carbide grain 1-5mm 1-10mm deoxidizer Physical indexes:
| Hardness(Mohs scale) | 9.2 |
| Melting Point: | dissociated at about 2300 °C |
| Maximum service temperature: | 1900℃ |
| Specific Gravity: | 3.2-3.45 g/cm3 |
| Bulk density(LPD): | 1.2-1.6 g/cm3 |
| Color: | Black |
| Particle shape: | Hexagonal |
| Modulus of Elasticity | 58-65×106 psi |
| Coefficient of Thermal Expansion | 3.9-4.5 x10-6/ ℃ |
| Thermal Conductivity | 71-130 W/MK |
Chemical content：
| Spec. | Purity | F.C | Fe2O3 | Moisture |
| SiC86 | ≥86% SiC | ≤2.4% | ≤ 2.0% | ≤ 0.2% |
| SiC88 | ≥ 88% SiC | ≤ 2.3% | ≤ 2.0% | ≤ 0.2% |
| SiC90 | ≥ 90% SiC | ≤ 2.0% | ≤ 1.8% | ≤ 0.2% |
| SiC92 | ≥ 92% SiC | ≤ 1.8% | ≤ 1.7% | ≤ 0.2% |
| SiC93 | ≥93% SiC | ≤ 1.8% | ≤ 1.6% | ≤ 0.2% |
| SiC95 | ≥ 95% SiC | ≤ 1.0% | ≤ 1.3% | ≤ 0.2% |
| SiC97 | ≥ 97% SiC | ≤ 0.8% | ≤ 1.2% | ≤ 0.2% |
| SiC97.5 | ≥97.5% SiC | ≤ 0.8% | ≤ 0.9% | ≤ 0.2% |
| SiC98 | ≥ 98% SiC | ≤ 0.5% | ≤ 0.5% | ≤ 0.2% |
Specifications:
| Black silicon carbide sand size | Particle size distribution |
| 0-1mm | +1mm 10% max |
| 0.2-0.5mm | -0.2mm 10% max +0.5mm 10% max |
| 1-2mm | -1mm 10% max +2mm 10% max |
| 1-3mm | -1mm 10% max +3mm 10% max |
| 3-5mm | -3mm 10% max +5mm 10% max |
| 60#-0 | +0.250mm 10% max |
| 100#-0 | +0.150mm 10% max |
| 200#-0 | +0.075mm 10% max |
| 325#-0 | +0.045mm 10% max |
Customized sizes are available upon request.
95% Silicon carbide grain 1-5mm 1-10mm deoxidizer Application：
- Castable and repair materials for kiln equipment in the steel, glass, power, chemical, and ceramic industries. Such as high-temperature kilns in steelmaking furnaces, ironmaking furnaces, and steel ladles. Nonferrous metal smelting kilns and converters. Glass furnaces, ceramic tunnel kilns, and shuttle kilns. Rotary kilns and gypsum kilns for cement and other building materials. High-temperature equipment such as catalytic cracking furnaces and gasifiers.
- Ceramic fillers and aggregates for refractory ceramic parts and thermal components.
- Deoxidizer for steelmaking furnace.
- Unshaped refractory materials and shaped refractory materials. Such as fire bricks &tiles in the heat exchanger. Tiles and Mortars in blast furnace, steel ladle, Crucibles, etc.
- Thermal resistance foamglass, etc.
95% Silicon carbide grain 1-5mm 1-10mm deoxidizer Production:
Package:
Reviews
There are no reviews yet.