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ISO 668 – Series 1 freight containers – Classification, dimensions and ratings is an ISO international standard which nominally classifies intermodal freight shipping containers, and standardizes their sizes, measurements and weight specifications. [1] The current version of the standard is the Seventh edition (2020), which integrates ...
Intermodal containers exist in many types and standardized sizes, but 90 percent of the global container fleet are "dry freight" or "general purpose" containers: [2] [5] durable closed rectangular boxes, made of rust-retardant weathering steel; almost all 8 feet (2.44 m) wide, and of either 20 or 40 feet (6.10 or 12.19 m) standard length, as ...
The following is a list of further freight container related ISO specifications, where not all have an article assigned yet (you can help improve Wikipedia and start one): ISO 668 - Freight containers - Classification, dimensions and ratings; ISO 830 - Freight containers - Terminology; ISO 1161 - Freight containers - Corner fittings - Specification
The twenty-foot equivalent unit (abbreviated TEU or teu) is a general unit of cargo capacity, often used for container ships and container ports. [1] It is based on the volume of a 20-foot-long (6.1 m) intermodal container, a standard-sized metal box that can be easily transferred between different modes of transportation, such as ships, trains, and trucks.
A few ships (APL since 2007, [44] Carrier53 since 2022 [45]) can carry 53 foot containers. 40 foot containers are the primary container size, making up about 90% of all container shipping and since container shipping moves 90% of the world's freight, over 80% of the world's freight moves via 40 foot containers.
Specialized shipping containers include: high cube containers (providing an extra 1 ft (305 mm) in height to standard shipping containers), pallet wides, open tops, side loaders, double door or tunnel-tainers, and temperature controlled containers. Another specialized container, known as Transtainer, is a portable fuel and oil freight container.
The vast majority of containers moved by large, ocean-faring container ships are 20-foot (1 TEU) and 40-foot (2 TEU) ISO-standard shipping containers, with 40-foot units outnumbering 20-foot units to such an extent that the actual number of containers moved is between 55%–60% of the number of TEUs counted.
By contrast a 40-foot container is 12.2×2.7×2.4 m (40.0×8.9×7.9 ft) and can carry 26.5 metric tons (26.1 long tons; 29.2 short tons) of cargo. The benefit is that their larger capacity reduces the number of containers needed, and therefore their handling cost.