Black Silicon Carbide for Foundry
| US$700.00-1,000.00 | 5 Tons (MOQ) |
Basic Info.
Model NO.
black sic
Refractoriness
1770< Refractoriness< 2000
Type
Metallurgical Deoxidizer,Desulfurizer
Shape
Silicon Carbide Powder,Grit,Sand
Material
Silicon Carbide
Transport Package
Jumbo Bag, Wooden Pallet
Specification
25kg, 1ton per bag
Origin
China
Production Capacity
10000ton/Year
Product Description
Product Description| Silicon carbide includes black silicon carbide and green silicon carbide, among which: black silicon carbide is made of quartz sand, petroleum coke and high-quality silica as the main raw materials, which are smelted at high temperature in a resistance furnace. Its hardness is between corundum and diamond, its mechanical strength is higher than corundum, and it is brittle and sharp. Green silicon carbide is made from petroleum coke and high-quality silica as the main raw material, adding salt as an additive, and smelted at high temperature in a resistance furnace. Its hardness is between corundum and diamond, and its mechanical strength is higher than that of corundum. Black Silicon Carbide is brittle and sharp. It has a good electrical and heat conductivity. Its Knoophandness is 3100-3280kg/mm2. Green Silicon Carbide is a synthetic brittle carborundum with high thermal conductivity and high strength which get no decrease in 1000ºC( 7.5 times stronger than Alumina) Green silicon carbide is characterized by extreme hardness (Mohs 9.4/2600 Knoop) which only ranks after CBN and B4C. The abrasives made of silicon carbide are suitable for working on cast iron,non-ferrous metal,rock, leather,rubber,etc.It is also broadly used as refractory material and metallurgical additive. |
| Black Silicon Carbide | ||||
| Item | SiC | Fe2O3 | Free Carbon | SiO2 |
| SiC97 | ≥97% | ≤1.0% | ≤0.5% | ≤1.5% |
| SiC95 | ≥95% | ≤1.5% | ≤1% | ≤2.5% |
| SiC92 | ≥92% | ≤2.0% | ≤2.5% | ≤3.5% |
| SiC90 | ≥90% | ≤2.5% | ≤3% | ≤4.0% |
| Green Silicon Carbide | ||||
| SiC99 | ≥99% | ≤0.2% | ≤0.2% | - |
| Standard | Particle Size | SiC ≥ (%) | F.C ≤ (%) | Fe2O3 ≤ (%) |
| GB | F4-F90;P12-P100 | 99.10 | 0.20 | 0.20 |
| JIS | 8# - 220# | 98.0 | / | / |
| OCT | 10#;12# | 98.0 | 0.4 | (Fe) 0.3 |
| GB | F320-F500; P400 | 97.5 | 0.30 | 0.50 |
| JIS | 240# - 3000# | 96.0 | / | / |
| OCT | M40-M14 | 98.0 | 0.4 | (Fe) 0.2 |
Application in Metallurgical Industry
| Silicon carbide is a new type of strong composite deoxidizer, which replaces the traditional silicon powder carbon powder for deoxidation. Compared with the original process, the physical and chemical properties are more stable, the deoxidation effect is good, the deoxidation time is short, energy saving, and steelmaking efficiency are improved. , Improve the quality of steel, reduce the consumption of raw and auxiliary materials, reduce environmental pollution, improve working conditions, and increase the energy and economic benefits of electric furnaces.Silicon carbide balls are wear-resistant, non-polluting, improve the stability of raw materials, reduce the thickness of the mill and the volume of the balls, and increase the effective volume of the mill by 15%-30%. |
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