What is ferrophosphorus?
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What is ferrophosphorus?
Ferrophosphorus has a honeycomb appearance and is a symbiotic compound containing 20-26% phosphorus and 0.1-6% silicon. Ferrophosphorus is used as an alloying agent in the steelmaking industry, and is used as an alloy additive and deoxidizer in metallurgy. In general steel products, phosphorus is a harmful component, but in some special products, the addition of phosphorus can improve certain aspects of the performance of steel. Ferrophosphorus is widely used in rolling mills, automobile cylinder liners, engine rollers and large castings to increase the corrosion resistance and wear resistance of mechanical parts. Phosphorus is partially dissolved in ferrite in steel, and partially forms a very brittle compound. The plasticity and toughness of steel at room temperature are sharply reduced, and the brittle transition temperature is increased. The refined high-quality ferrophosphorus has no impurities and powder, and its phosphorus content is particularly stable, with exquisite appearance and furnace batching operation.
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Ferro phosphorus chemical composition
| Grade | Chemical Compositions(%) | ||||
| P | Si | C | S | Mn | |
| ≤(Max) | |||||
| FeP24 | 23.0-25.0 | 3.0 | 1.0 | 0.5 | 2.0 |
| FeP21 | 20.0-23.0 | 3.0 | 1.0 | 0.5 | 2.0 |
| FeP18 | 17.0-20.0 | 3.0 | 1.0 | 0.5 | 2.5 |
| FeP16 | 15.0-17.0 | 3.0 | 1.0 | 0.5 | 2.5 |
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