Key data
| Stowage factor | 1.25–1.40 m³/t (typical 1.32)44.1–49.4 ft³/t (typical 46.6) |
|---|---|
| Form | Bulk |
| IMSBC group | C Cargoes that neither liquefy nor carry a chemical hazard. |
| Angle of repose | ~25 |
| BCSN | SOYA BEANS |
ft³/t values are per metric tonne (1 m³/t ≈ 35.31 ft³/t). Stowage factors are indicative — see note below.
Description
Soya beans are the world's leading oilseed, shipped in huge volumes for crushing into oil and meal and for animal feed. Although an oilseed rather than a cereal, they are carried under grain stability rules and handle much like a grain. At about 1.32 m3/t they are a measurement cargo that fills the holds before the ship is down to her marks.
Stowage & loading
Clean, dry, odour-free holds and a grain stability assessment with any required fittings are the starting point, as for any grain. The cargo is free-flowing and loaded by spout or conveyor. Moisture is the key acceptance question, because the oil content makes high-moisture beans more inclined to heat and deteriorate than a dry cereal of the same stowage factor.
Hazards & handling
Soya beans respire and deplete oxygen in cargo and adjacent spaces, so enclosed-space entry is controlled. Their oil content gives them a real tendency to self-heat, mould and cake if shipped or kept too moist, with associated loss of quality. They also taint and are tainted, and the dust raised in handling carries the usual explosibility concern of grain trades.
Carriage & discharge
Ventilation is worked against ship and cargo sweat on a dew-point basis, and cargo temperatures are monitored where moisture gives cause for concern. Fumigation in transit is common, so residues are cleared and spaces gas-freed before entry. Discharge is by grab or suction, with care taken over any heated or caked pockets found in the stow.
Key hazards
- Self-heating, mould and caking when loaded or kept too moist, aggravated by the oil content
- Oxygen depletion in cargo and adjacent enclosed spaces, with possible fumigant residues
- Taint and explosive dust common to grain and oilseed handling
Loading precautions
- Present clean, dry, odour-free holds and apply the grain stability assessment
- Treat moisture as the key acceptance criterion, given the heating tendency of oily beans
- Confirm fumigation and enclosed-space controls and manage transfer dust
Stowage factors are indicative and vary with grade, origin, moisture and packing. Always verify against the shipper's cargo declaration and the applicable IMSBC Code schedule before fixing or loading. This is general information, not professional or safety advice.