In the shipping industry, container ISO standard codes play an important role in container tracking, monitoring and compliance. HSYUN will take you to an in-depth understanding of what container ISO codes are and how they can help simplify shipping and improve information transparency.
1、What is the ISO code for containers?
The ISO code for containers is a unified identifier developed by the International Organization for Standardization (ISO) for containers to ensure consistency, safety and efficiency in global shipping.ISO 6346 specifies the coding rules, identifier structure and naming conventions for containers. Let's take a closer look at this standard.
ISO 6346 is a standard specifically for container identification and management. The standard was first published in 1995 and has since undergone several revisions. The latest version is the 4th edition released in 2022.
ISO 6346 specifies the structure that container codes should follow to ensure that each container has a unique identification and can be effectively and uniformly identified and tracked in the global supply chain.
2、Prefixes and suffixes in the ISO code for containers
Prefix: The prefix in the container code usually includes the owner code and the equipment category identifier. These elements provide important information such as container specifications, box types and ownership.
Suffix: Provides additional information such as the length, height and type of container.
3、Container ISO code composition
- Container box number consists of the following components:
- Owner Code: A 3-letter code indicating the owner of the container.
- Equipment Category Identifier: Indicates the type of container (such as general purpose container, refrigerated container, etc.). Most containers use "U" for freight containers, "J" for detachable equipment (such as generator sets), and "Z" for trailers and chassis.
- Serial Number: A unique six-digit number used to identify each container.
- Check Digit: A single Arabic numeral, usually boxed on the box to distinguish the serial number. The check digit is calculated by a specific algorithm to help check the validity of the number.
4、Container Type Code
- 22G1, 22G0: Dry cargo containers, commonly used to transport various dry goods such as paper, clothing, grain, etc.
- 45R1: Refrigerated container, commonly used to transport temperature-sensitive goods such as meat, medicine and dairy products;
- 22U1: Open top container. Since there is no fixed top cover, open top containers are very suitable for transporting large and oddly shaped goods;
- 22T1: Tank container, specially designed for transporting liquids and gases, including dangerous goods.
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