ferro silicon magnesium (FeSiMg), commonly known as nodulizer, is a ferroalloy composed of silicon, magnesium, iron, and controlled levels of calcium, aluminium, and rare earth elements.
Standard FeSiMg grades contain 44–47% silicon and 5.5–6.5% magnesium, engineered for consistent nodularization performance in ductile iron (SG iron) production.
FeSiMg is supplied in lump form with a metallic grey appearance. Chemical composition, purity level, and grain size can be adjusted based on the buyer’s technical requirements.
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To place an order or get technical consultation, contact our Sales Department.
Our FeSiMg alloys are produced according to strict metallurgical standards. Typical chemical ranges include:
| Element | Symbol | Typical Range |
| Magnesium | Mg | 5.5–6.5% |
| Silicon | Si | 44–47% |
| Calcium | Ca | 0.8–1.2% |
| Aluminium | Al | <1.2% |
| Rare Earth | RE | 0.8–1.2% |
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| Property | Specification |
| Color | Metallic grey / silver |
| Form | Lumpy alloy |
| Standard Sizes | 1–5 mm, 5–15 mm, 10–35 mm |
| Reactivity | Highly reactive; requires dry storage |
FeSiMg can be supplied in the following standard grain sizes:
Custom sizing is available upon request.
FeSiMg is widely used in:
Each shipment includes:
Prices depend on magnesium content, size, purity, and order volume.
To receive the exact FeSiMg price based on your required grade, contact our sales team.
The global FeSiMg price today is approximately 1,900 USD per metric kg, depending on magnesium percentage, RE content, and delivery terms.
Key price drivers include:
We supply FeSiMg in multiple grades and guaranteed low impurity levels to ensure stable performance in ductile iron castings. Available in bulk, jumbo bags, or palletized packaging.
Before purchasing FeSiMg, buyers should consider:
We offer flexible international delivery solutions:
Our support & sales team is available around the clock.
To place an order:
FeSiMg is supplied to industrial buyers in:
Turkey, Armenia, Oman, Iraq, Pakistan, and the Netherlands, as well as other global sourcing hubs.
Contact our sales team for pricing, avallability and technical support.
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