Shipping container manufacturing

How Shipping Containers Are Made？

Shipping containers, also known as intermodal containers or ISO containers, are standardized steel boxes used for the efficient transport of goods by sea, land, and rail. Their manufacturing process involves several stages, ensuring durability, strength, and safety for the goods being transported. Here's a brief overview of how shipping containers are made:

1. Design and Specification:
   • The first step involves the design and specification of the container. The dimensions and capacity of the container are determined based on standard ISO specifications, ensuring compatibility with various modes of transportation.
   • The design also considers the strength requirements, weight limitations, and material specifications needed to meet safety and durability standards.
2. Material Preparation:
   • The main material used in shipping container manufacturing is corten steel, known for its corrosion resistance and strength.
   • The steel is cut into the required lengths and widths using precision cutting machines.
   • The edges of the steel plates are then prepared for welding, often by beveling or grinding.
3. Frame Construction:
   • The frame of the container is constructed using the prepared steel plates. This involves welding the plates together to form the sides, front, back, and roof of the container.
   • The corners of the container are reinforced with special corner posts, which provide extra strength and structural integrity.
   • The door frames are also welded in place, ready to receive the container doors.
4. Door Installation:
   • The doors of the container are typically made of steel and are hinged or sliding, depending on the type of container.
   • The doors are fitted into the door frames and secured with hinges and locking mechanisms.
   • The door sealing gaskets are installed to ensure a tight seal when the doors are closed, preventing water and dust ingress.
5. Interior Finishing:
   • The interior of the container is finished with coatings or linings to protect the steel from corrosion and to provide a smooth surface for the goods.
   • Flooring is installed, often made of durable materials like marine-grade plywood or aluminum checker plate.
   • Any necessary fixtures or fittings, such as lashing bars or ventilation openings, are installed at this stage.
6. Inspection and Testing:
   • Once the container is assembled, it undergoes a thorough inspection to ensure all welding is sound and there are no defects or imperfections.
   • The container is then tested for watertightness and structural integrity, often through pressure testing or load testing.
7. Painting and Marking:
   • The exterior of the container is painted with a protective coating to resist corrosion and weathering.
   • The container is marked with the necessary information, including the owner's logo, serial number, and any other regulatory markings.
8. Final Inspection and Delivery:
   • After painting and marking, the container undergoes a final inspection to ensure it meets all quality and safety standards.
   • Once approved, the container is ready for delivery to the customer or for deployment in the shipping network.

The manufacturing process of shipping containers is highly automated and precise, ensuring the production of durable and reliable containers that can withstand the rigors of international transportation. The use of standardized materials and designs allows for efficient production and interchangeability between different modes of transport, making shipping containers a crucial component of the global supply chain.

we already boasts a state-of-the-art production line dedicated to the manufacturing of a wide range of shipping containers. We specialize in producing ISO shipping containers in various sizes, including 5ft,6ft,8ft,20ft and 40GP/HC options. Additionally, we offer a diverse array of specialized container such as Open TOP(OT), Double Door(DD), Side open and Offshore containers, as well as Energy Power containers. please feel free to inquiry us for catalog reference.