Iron Casting / NOD
Nodularizers
FeSiMg based nodularizers that transform graphite into spheroidal form in ductile iron production.
Technical Specifications
Grade
FeSiMg (Mg 5-6%, Si 44-48%, RE 0.5-1.5%)
Grain Size
2-8mm, 5-25mm, 25-50mm
Packaging
25 kg bag / Big-bag
Origin
Norway / China
Key Features
- Controlled magnesium content (5-6% Mg)
- Rare earth (RE) element addition
- Promotes spheroidal graphite formation
- High strength and elongation values
- Controlled and safe reaction
- Low slag formation
Applications
- Ductile iron (GGG/EN-GJS) production
- Automotive: crankshaft, connecting rod, suspension
- Pipes: pressurized water and sewage pipes
- Wind energy: turbine hub and housing
- General engineering: valve, pump, gearbox
Dimension Table
| Element | Min (%) | Max (%) | Typical (%) |
|---|---|---|---|
| Mg | 5.0 | 6.0 | 5.5 |
| Si | 44 | 48 | 46 |
| RE | 0.5 | 1.5 | 1.0 |
| Ca | 0.5 | 2.0 | 1.2 |
| Al | 0 | 1.0 | 0.5 |
| Fe | - | - | Balance |
Technical Notes
- 01Treatment temperature should be between 1450-1520°C.
- 02Mg recovery rate is typically 40-60%.
- 03Applied via sandwich or tundish method.
- 04RE content should be adjusted based on slag composition.
- 05Inoculation must be performed after treatment.