Description
Castrol Alpha SP 320 – Technical Data Sheet
Product Description
Castrol Alpha SP 320 is a premium extreme-pressure (EP) industrial gear oil formulated from highly refined mineral base oils and advanced EP additives. It provides excellent load-carrying capacity, thermal stability, wear protection, and micropitting resistance for enclosed industrial gear systems.
Key Features & Benefits
- Excellent EP performance under heavy loads
- Advanced micropitting protection
- High resistance to oxidation and thermal degradation
- Good water separation characteristics
- Protection against rust and corrosion
- Compatible with common seal materials
- Extended gear and bearing life
ypical Applications
- Industrial enclosed gearboxes
- Spur and helical gears
- Splash and circulation lubrication systems
- Bearings operating under heavy loads
- Marine gearbox and deck machinery applications
- Some lightly loaded worm gear systems
Specifications & Approvals
Meets or exceeds:
- DIN 51517 Part 3 (CLP)
- AGMA 9005-E02
- AIST 224
- David Brown S1.53.101 Type E
Typical Physical Characteristics
| Property | Method | Value |
|---|---|---|
| ISO Viscosity Grade | - | 320 |
| AGMA Grade | - | 6EP |
| Density @ 15°C | ASTM D4052 | 900 kg/m³ |
| Kinematic Viscosity @ 40°C | ASTM D445 | 320 mm²/s |
| Kinematic Viscosity @ 100°C | ASTM D445 | 24.0 mm²/s |
| Viscosity Index | ASTM D2270 | >95 |
| Pour Point | ASTM D97 | -9°C |
| Flash Point (COC) | ASTM D92 | 226°C |
| Copper Corrosion (3h @100°C) | ASTM D130 | 1b |
| Rust Test (Synthetic Seawater) | ASTM D665B | Pass |
| FZG Gear Scuffing Test | ISO 14635-1 | >12 |
| Foam Sequence I | ASTM D892 |
10/0 ml/ml |
Handling & Storage
Store in a clean, dry area away from direct sunlight. Keep containers sealed when not in use to prevent contamination and moisture ingress.
Health & Safety
Refer to the latest Safety Data Sheet (SDS) before use. Avoid prolonged skin contact and dispose of used lubricant according to local regulations.
