FeSiMg 10-15% Magnesium Nodulizer

Granulated ferrosilicon magnesium nodulizer with 10-15% magnesium content by weight, designed for magnesium treatment in spheroidal graphite iron casting. Classified under HTS 7202.29.0010 as ferrosilicon containing over 2% magnesium, distinguishing it from standard ferrosilicon. The high magnesium enables graphite nodulization for enhanced ductility.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7202.29.00Same rate: 35%

If containing over 30% magnesium

Higher magnesium ferrosilicon variants have separate statistical suffixes within the same heading.

2849.90.50.00Higher: 38.7% vs 35%

If treated as carbide-based with magnesium

Magnesium-containing carbides classify under Chapter 28 inorganic chemicals, not ferroalloys.

7202.50.00.00Same rate: 35%

If for ferrosilicomanganese with magnesium

Manganese-inclusive variants fall under ferrosilicomanganese regardless of magnesium addition.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

• Use particle size and composition analysis reports for customs; comply with DOT regulations for pyrophoric magnesium alloys; watch for undervaluation penalties on bulk foundry ferroalloys

Related Products under HTS 7202.29.00.10

Ferrosilicon Magnesium Alloy 75Mg

Ferrosilicon magnesium alloy containing 75% silicon, over 2% magnesium by weight, used primarily as a nodulizing agent in ductile iron production. This ferroalloy falls under HTS 7202.29.0010 due to its ferrosilicon base with elevated magnesium content for magnesium treatment in foundries. It improves the mechanical properties of cast iron by forming nodular graphite.

High-Magnesium Ferrosilicon 5% Mg

Ferrosilicon alloy with 5% magnesium by weight, supplied in lump form for use in gray and ductile iron production. Meets HTS 7202.29.0010 criteria as 'other' ferrosilicon containing over 2% magnesium, used in desulfurization and nodulization processes. The magnesium content exceeds the threshold distinguishing it from conventional ferrosilicon.

FeSiMgRE Rare Earth Magnesium Nodulizer

Ferrosilicon magnesium with rare earth elements and over 8% magnesium by weight, used for inoculation in ductile iron castings. Falls under HTS 7202.29.0010 as ferrosilicon containing over 2% magnesium, with rare earths enhancing nodulization efficiency. Common in automotive and pipe manufacturing foundries.

Industrial Ferrosilicon Magnesium 3% Mg Lumps

Lump-form ferrosilicon with 3% magnesium content by weight, for industrial magnesium recovery and iron alloying. Classified in HTS 7202.29.0010 due to magnesium exceeding 2% in the ferrosilicon matrix. Used in steelmaking for desoxidation and modification.

Ductile Iron FeSiMg 12% Magnesium Alloy

Specialty ferrosilicon magnesium alloy with 12% magnesium for ductile iron production, in standard foundry granules. HTS 7202.29.0010 applies as 'other' ferrosilicon with over 2% magnesium per U.S. note definitions. Promotes spherical graphite formation for high-strength castings.