Ferro Silicon Nitride
Ferrosilicon nitride for steelmaking
Ferrosilicon nitride is an additive used in the production of cold-rolled unidirectional silicon steel sheets and is gray-white in color. Ferrosilicon nitride is an emerging refractory raw material used in cementless slurries in large blast furnaces. It has the advantages of good opening, good sintering, corrosion resistance, and low cost.
Ferrosilicon nitride composition parameters
| Chemical Composition (%) | |||||
| Element | Si3N4 | Si | N | Fe | Al+Ca |
| Content | 75～80 | 47～51 | 30～33 | 12～16 | <2.5 |
| 70～75 | 49～52 | 28～30 | 12～16 | <2.5 | |
| Particle size distribution | |||||
| Powder (%) | |||||
| Particle size | -45μm | -45μm～-75μm | +75μm～-150μm | +150μm | -75μm |
| Fine powder | >80 | 5～1.5 | <3 | 0 | 95～100 |
| Ordinary powder | 70～80 | 10～20 | 8～15 | <3 | 85～95 |
| Crude powder | 60～70 | 10～16 | 10～16 | <8 | 65～80 |
| Granular | |||||
| Item | Particle size | Percentage | |||
| Fine powder | 3～5mm | >90 | |||
| Ordinary powder | 3～10mm | >90 | |||
| Crude powder | 10～50mm | >90 | |||
Note: It can be customized into 10-100mm or 10-200 mesh in a lump, grain, and powder.
lead time
| Quantity (metric tons) | 1 - 50 | 50-100 | 100-200 | > 200 |
| Lead time (days) | 7 | 10 | 15 | To be negotiated |
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