Ferrosilicon Nitride | N-Si Chemistry & Particle Size

Custom ferrosilicon nitride should be ordered from measurable N-Si chemistry and particle-size requirements rather than from a general "OEM" description. We can review different FeSiN requirements for refractory formulations and metallurgical use, including powder and granular forms.

If you already have a technical specification, send your required N, Si, Fe, Si3N4, Al+Ca, particle size and application. We can compare these values with the available supply ranges before confirming the suitable material.

 

Custom Item	Available Direction	What You Should Define
Chemistry	Different N / Si / Si3N4 ranges	Target or acceptable chemistry
Physical Form	Powder or granules	How the material enters your process
Granular Size	3-5 mm / 3-10 mm / 10-50 mm	Required nominal size
Fine Powder	Mesh / sieve-based requirement	Required fineness or passing rate
Application	Refractory or metallurgical use	Formula or feeding condition

 

The current product information contains two FeSiN chemistry directions. They should be selected according to the nitrogen and silicon requirement of your process rather than described simply as different quality levels.

FeSiN Chemistry	Si3N4	Si	N	Fe	Al + Ca
Option A	75-80%	47-51%	30-33%	12-16%	<2.5%
Option B	70-75%	49-52%	28-30%	12-16%	<2.5%

High-Nitrogen Ferrosilicon Nitride Specification

The 30-33% N direction is relevant when your technical specification requires the higher nitrogen range shown in the current product data. Send the complete N, Si, Si3N4, Fe and Al+Ca requirement rather than confirming nitrogen alone.

Alternative FeSiN Chemical Composition

The alternative reference range uses N at 28-30%, Si at 49-52% and Si3N4 at 70-75%. It should be evaluated against your technical requirement rather than automatically substituted for the higher-N specification.

 

Ferrosilicon Nitride Powder for Refractory Mixing

Ferrosilicon nitride powder is the more relevant direction when FeSiN needs to be distributed through a refractory formula. For taphole clay, iron trough materials, castables or other refractory mixtures, your specification should define powder fineness as well as chemistry.

If your requirement is specifically fine material, see our Ferrosilicon Nitride 200 Mesh Powder specification.

Ferrosilicon Nitride Granules for Defined Feeding

Ferrosilicon nitride granules are more suitable when your process requires a measurable granular size rather than fine powder. The current product information includes 3-5 mm, 3-10 mm and 10-50 mm granular directions.

 

Powder requirements should be specified by mesh or sieve distribution instead of converting them into these granular ranges.

 

When FeSiN is used as a refractory raw material, start from the formulation requirement rather than from a generic product grade. The specification may need to define N, Si or Si3N4, powder fineness, additional impurities and packing conditions together.

• Target nitrogen range
• Required Si or Si3N4 range
• Powder mesh or sieve distribution
• Additional controlled elements
• Packing or moisture-control requirement if applicable

The actual effect of ferrosilicon nitride depends on the complete refractory formulation and service condition, so the material should be matched to your existing formula rather than selected from a generic claim.

 

For metallurgical addition, the main specification starts with the required N input, acceptable Si input and physical feed size. If your process uses granular FeSiN, select the particle range according to your actual feeding and handling system.

Do not use a refractory powder specification simply because the chemical grade is similar. Product form is part of the process requirement.

 

A measurable technical requirement is more useful than asking only for "OEM ferrosilicon nitride."

If your factory already has a technical data sheet, send the original specification directly. This gives us a clearer basis for checking chemistry and particle size together.

Send N-Si & Particle Size Specification

 

 

Can Custom Ferrosilicon Nitride Use N 30-33%?

The current product data includes a 30-33% N range together with Si 47-51%, Fe 12-16% and Si3N4 75-80%. Send the complete required chemistry so the specification can be evaluated as one combination.

What Ferrosilicon Nitride Particle Size Should I Specify?

The granular reference ranges are 3-5 mm, 3-10 mm and 10-50 mm. For fine refractory material, specify mesh or sieve distribution instead. The correct size depends on your mixing, conveying or feeding method.

Is Ferrosilicon Nitride Powder the Same as Ferrosilicon Nitride Granules?

No. They may use related Fe-Si-N chemistry, but their physical specification is different. Powder is more suitable for fine blending requirements, while granular material is selected when a defined particle range is needed.

Can FeSiN Composition Be Matched to My Refractory Formula?

Send the N, Si or Si3N4 requirement, powder size and any additional controlled parameters used in your formula. These values need to be checked together rather than changing one element independently.

What Data Is Needed for Custom Ferrosilicon Nitride Supply?

Send your required chemistry, powder or granular form, particle size, application, quantity, packing and destination. Include additional element limits or inspection requirements if they apply to the order.

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