Arsam MetalARSAM METAL
Inoculante da fonderia (FeSiBa)
FeSiBaNUOVO

Inoculante da fonderia (FeSiBa)

Foundry inoculant (FeSiBa) is a barium-bearing ferrosilicon added to molten grey and ductile iron just before or during pouring. The Si carrier and 1-3% Ba seed silicate-oxide nuclei in the melt, giving graphite a preferred site to precipitate as the iron solidifies. This suppresses undercooling, cuts the chill (white iron) tendency at thin sections and edges, and refines graphite morphology toward a fine, evenly distributed Type A flake in grey iron or a higher nodule count in ductile iron. The 1-2% Ca and ≤1.5% Al support deoxidation and keep nucleation active longer, reducing fade in held or transferred metal. Used for grey iron inoculation, ductile iron inoculation, chill reduction and graphite refinement across automotive and machinery ductile-iron foundries and general jobbing shops. Typical late/ladle addition runs about 0.1-0.5 wt% (1-5 kg/t); finer 0.2-0.7 mm sizing suits in-stream or in-mould dosing, while 1-3 mm fits ladle treatment. Supplied with COA and MTC against ISO/ASTM practice, multi-regional sourcing, CIF Marmara or Gebze bonded stock, 20 MT FCL. Send grade, size and tonnage for an RFQ.

Specifiche tecniche

Si60-70%
Ba1-3%
Ca1-2%
Al≤ 1.5%
Granulometria0.2-0.7mm / 1-3mm

Applicazioni

Applicazioni industriali
Grey iron inoculation
Ductile iron inoculation
Chill reduction
Graphite refinement

Domande frequenti

How do I select the right FeSiBa inoculant grade for my casting?
This grade carries Si 60-70%, Ba 1-3%, Ca 1-2% and Al ≤ 1.5%. The barium addition extends fade resistance, making it well suited to grey iron where chill control and stable graphite nucleation matter, and to ductile iron as a primary or secondary inoculant. For heavier sections or longer holding times, the Ba content sustains nucleation longer than plain FeSi. Match particle size to the addition method: 0.2-0.7mm for in-stream or in-mould, 1-3mm for ladle additions.
What is the typical dosage and how should it be added?
Inoculant additions for grey and ductile iron generally fall in the 0.1-0.6 wt% range, with ladle inoculation often near 0.3-0.5 wt% and late or in-stream inoculation as low as 0.05-0.15 wt% because efficiency is higher. Add late to limit fade. Use 0.2-0.7mm for in-stream and in-mould feeding and 1-3mm for ladle work. Confirm the rate against your base iron sulphur level, section thickness and pouring window through trial pours.
What packaging, MOQ and lead times apply?
Standard packaging is moisture-resistant bags on pallets, with both fine (0.2-0.7mm) and coarse (1-3mm) fractions available; big-bag formats suit higher-volume foundries. Typical order quantities run from 5 MT LCL up to 20 MT FCL. Delivery terms include CIF Marmara and collection from Gebze bonded stock. Lead time depends on grade, size fraction and quantity; contact us with your tonnage and required fraction for a current schedule.
What quality documentation and testing come with the material?
Each lot ships with a COA / MTC stating Si, Ba, Ca and Al by chemical analysis, plus sieve results confirming the 0.2-0.7mm or 1-3mm fraction. Chemistry is verified by spectrometric and wet-chemical methods to recognised ISO/ASTM practice. If you require specific element tolerances, size distribution limits or moisture control beyond the standard sheet, state them at order so the lot can be checked and documented before dispatch.
What are suitable alternatives or substitutions to FeSiBa?
Where extended fade resistance is not the priority, a plain or Ca-bearing FeSi inoculant can substitute at adjusted dosage. For strong nucleation and chill reduction in thin sections, rare-earth or Zr-bearing FeSi grades are alternatives; Sr-bearing FeSi suits low-sulphur base iron and minimal carbide formation. Substitution changes nucleation behaviour and fade rate, so re-validate addition rate and timing on trial castings. We can advise on a comparable grade based on your iron type and section.

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Inoculante da fonderia (FeSiBa) (FeSiBa)

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