SGI Casting
- SG 400/12
- SG 450/10
- SG 500/7
- SG 600/3
ASTM Standard:
- ASTM A536 60-40-18
- ASTM A536 65-45-12
- ASTM A536 80-55-06
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 3.4 – 3.8% |
| Silicon (Si) | 2.2 – 2.8% |
| Manganese (Mn) | 0.1 – 0.5% |
| Sulphur (S) | ≤ 0.02% |
| Phosphorus (P) | ≤ 0.08% |
| Magnesium (Mg) | 0.03 – 0.06% |
Mechanical Properties (Example: SG 500/7)
- Tensile Strength: 500 MPa (Min)
- Yield Strength: 320 MPa (Min)
- Elongation: 7% (Min)
- Hardness: 170 – 230 BHN
- Excellent impact resistance and ductility
Manufacturing Process
- Induction Furnace Melting
- Magnesium Treatment for Nodular Graphite
- Inoculation Process
- Green Sand / Resin Sand Moulding
- Spectrometer Tested Material