Steel Slabs

Key data

Deadweight cargo
Stowage factor0.15–0.28 m³/t (typical 0.20)5.3–9.9 ft³/t (typical 7.1)
FormBreakbulk
IMSBC groupn/a Not classified under the IMSBC Code (e.g. breakbulk or bagged goods).
Broken stowage6%

ft³/t values are per metric tonne (1 m³/t ≈ 35.31 ft³/t). Stowage factors are indicative — see note below.

Description

Slabs are large, heavy semi-finished steel pieces shipped breakbulk to rolling mills. At around 0.20 m3/t they are among the densest steel stows and strongly deadweight-limited. As manufactured steel their care is about weight distribution, securing and condition, not chemistry.

Stowage & loading

Slabs are loaded by crane and stowed on substantial dunnage to spread their great weight and avoid overstressing the tank top, with the loading plan controlling distribution. Each tier is bedded and secured so the heavy units cannot move at sea.

Hazards & handling

The hazards are structural and physical: very high concentrated weight that can overstress the tank top if poorly spread, and heavy units that are dangerous if they shift. Rust and wet damage are the main commercial concern, surveyed and recorded before loading.

Carriage & discharge

Weight distribution and securing are the carriage focus, with the stow kept as dry as practicable to limit rust and lashings monitored. Discharge is by crane; dunnage is cleared and the slabs' condition recorded against the receipts on completion.

Key hazards

  • Very high concentrated weight risking tank-top overstress
  • Heavy units shifting if inadequately secured
  • Rust and wet damage driving condition claims

Loading precautions

  • Stow on substantial dunnage and plan distribution to protect the tank top
  • Bed and secure each tier against movement
  • Survey and record pre-shipment condition and rust

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.

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