Shipping Containers have the following dimensions:
* External of a standard ISO shipping container: 8ft wide (2.44m) x 8 ft' 6 in. (2.6m.) high, and the usual lengths are 20 ft (6.1 m) and 40 ft (12.2 m).
* Internal of a standard ISO shipping container: 7' 10" (2.353 m) wide , 7' 8.625" (2.388 m) high, and 19' 4.25" (5.899 m) or 39' 5.375" (12.024 m) long.
Additional specifications on steel shipping container:
1. Racking/Shear Load of the shipping container (corner posts) 16,000 lb
2. Side Wall Lateral Load of the shipping container 235 psf
3. End Wall Lateral Load of the shipping container 366psf
4. Racking/Shear Load of the shipping container 33,500 lb
5. Stacking/ Axil Load of the shipping container 210,000 lb
6. Roof Load of the shipping container 300psf
7. Floor Load of the shipping container 100 psf
Characteristics of a standard ISO shipping container:
1. Steel sheet, corrugated of shipping containers
2. All-welded-steel, continuously
3. Forklift pockets.
4. Grappler pockets
5. Gooseneck tunnel
6. Floors
4. High tare weight
5. Susceptible to corrosion
The shipping container floors are made of planking or plywood wood, which is very strong and resilient, does not dent, and may be easily replaced during repairs. The floors also have a strong friction surface, which is important for cargo securing.
Most containers are sprayed for insects because when lumber is used, it must comply with the quarantine regulations in most countries.
The forklift pockets of standard ISO steel shipping containers are easily visible and allow handling of empty shipping containers with forklift trucks. Forklift pockets are installed only in 20' x 8’ x 8’ standard ISO steel shipping containers and are arranged parallel to the center of the container in the bottom side rails. The 40' standard ISO steel shipping containers do not have forklift pockets. This is due to the fact that the location of the pockets are relatively close together and such large containers would be difficult to balance.
Gooseneck tunnel of standard ISO steel shipping containers: Many 40' containers have a recess in the floor at the front end which serves to center the containers on so-called gooseneck chassis.
Grappler pockets of standard ISO steel shipping containers: Most all shipping containers are handled by top spreaders using what’s called corner fittings or corner castings. Also, some containers have grappler pockets. These were originally installed for hanging garments.


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