🚢 Fuel Oils
Fuel Oil 380 CST
Product Code: CST380
Heavy fuel oil widely used for large marine vessel propulsion.
Product Overview
Fuel Oil 380 CST is a heavy marine fuel oil with viscosity of 380 centistokes at 50°C. It was historically the dominant bunker fuel for large ocean-going vessels before IMO 2020 regulations. It requires heating for pumping and atomization in combustion systems.
Technical Specifications
The following specifications represent typical industry standards for Fuel Oil 380 CST. Actual specifications may vary by producer and should be confirmed with the seller.
| Parameter | Specification |
|---|---|
| Density @ 15°C | Max. 991.0 kg/m³ |
| Flash Point | Min. 60°C |
| Pour Point (Summer) | Max. 30°C |
| Viscosity @ 50°C | Max. 380 mm²/s |
| Sulfur Content | Max. 3.50% mass (HSFO) |
| Sulfur Content (VLSFO) | Max. 0.50% mass |
| Ash Content | Max. 0.15% mass |
| Water Content | Max. 0.50% vol |
| Carbon Residue | Max. 20% mass |
| Vanadium | Max. 450 mg/kg |
| Aluminum + Silicon | Max. 80 mg/kg |
| CCAI | Max. 870 |
Industry Standards & Certifications
This product is typically produced in accordance with the following international standards:
ISO 8217:2017 RMK 380
Marine Residual Fuel Standard
IMO MARPOL Annex VI
Sulfur Regulations
SOLAS II-2
Fire Safety (Flash Point)
IMO 2020
Global Sulfur Cap Compliance
Common Applications
- Large container ships
- Bulk carriers
- Tankers
- Cruise ships (with scrubbers)
- Power barges
- Industrial boilers
Packaging & Delivery Options
Verified sellers in our network typically offer the following delivery methods:
- Bunker barge (heated)
- Ship-to-ship transfer
- Terminal pipeline (heated)
- Shore tank delivery
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