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  4. RECARBURIZER

RECARBURIZER

Recarburizers are used to adjust carbon levels: Materials that incorporate carbon into the steel in a liquid state. There are many types of materials with the possibility of being used as recarburizers, but the usual ones are:
·Petroleum coke
·Natural graphite
·Synthetic graphite
·Anthracite
The higher percentage carbon content in the recarburizer, the higher its effectivity. If the percentage of ash in the coal is high, the dissolution rate decreases due to the formation of a layer of impurities on the surface of the refueling agent, preventing the transfer of carbon to the molten bath, which increases production times and costs. Another aspect to consider is the negative influence of the acidic components of the ash on the basic refractory lining of the furnace.

Specifications

Fixed Carbon(d.b.) Volatiles(dry) Moisture Ash(dry) S(dry) Nitrogen
88%min 2%max 1%max 10%max 0.5%max 1.0max