Product Identification & Specifications

40ft Double Door High Cube Shipping Container | Technical Specifications & Sourcing Guide

The 40ft Double Door High Cube Shipping Container features dual-end cargo doors, allowing access from both ends simultaneously. Built to ISO standards with an external height of 9ft 6in, it provides an internal volume of 76.2 cubic meters, accommodating oversized cargo and streamlining loading operations where turnaround speed is critical.

Technical Data Sheet

Specification Category	Metric Unit	Imperial Unit
External Length	12,192 mm	40' 0''
External Width	2,438 mm	8' 0''
External Height	2,896 mm	9' 6''
Internal Length	12,032 mm	39' 5.7''
Internal Width	2,352 mm	7' 8.6''
Internal Height	2,698 mm	8' 10.2''
Door Opening Width	2,340 mm	7' 8.1''
Door Opening Height	2,585 mm	8' 5.8''
Max Gross Weight (M.G.W.)	32,500 kg	71,650 lbs
Tare Weight	4,200 kg	9,260 lbs
Payload Capacity	28,300 kg	62,390 lbs
Cubic Capacity	76.2 m3	2,691 cu ft

Material & Manufacturing Standards

Structural longevity relies on material specification and weld integrity rather than surface coatings.

Steel Grade:

Corrugated panels and structural frames utilize SPA-H Corten weathering steel, providing atmospheric corrosion resistance up to 8 times higher than standard structural carbon steel.

Thickness Profile:
Side and roof panels: 2.0 mm hot-rolled corrugated Corten steel.
Corner posts: 4.5 mm cold-formed steel sections.
Bottom side rails: 4.0 mm press-formed steel channels.
Flooring: 28 mm thick apitong/keruing marine-grade plywood, treated against fungal decay and insect infestation, secured with anti-shear self-tapping floor screws at 150 mm intervals along crossmembers.
Welding Process: Fully automated CO2 gas-shielded arc welding (GMAW) executed by certified operators conforming to AWS D1.1 standards. Ultrasonic testing (UT) and dye penetrant inspection (DPT) applied to critical structural corner castings.

Surface Treatment:

Sa 2.5 abrasive blast cleaning followed by a three-layer paint system:
Zinc-rich epoxy primer (40 um).
Intermediate build epoxy coat (80 um).
Polyurethane (PU) topcoat (40 um). Total dry film thickness (DFT) >= 160 um.

Application Evaluation

Dual-end access alters material handling workflows compared to standard end-door units. Assess your operational requirements against these specific use cases:

Sequential Loading & FIFO Logistics: Eliminates the "last-in, first-out" constraint. Pallets or equipment loaded last can be accessed immediately from the opposite end.

Machinery & Equipment Housing: Provides clearance for passing linear infrastructure, conduit runs, or conveyor systems through the container length.

Site Storage Partitioning: Installing an internal dividing wall creates two independent storage zones accessible from separate yards or work zones without cross-contamination.

Modular Conversion Projects: Reduces cutting labor when fabricating multi-room site offices, technical shelters, or mobile workshops, as access points are pre-engineered into both ends.

Supplier Verification Checklist

When sourcing shipping containers in volume, verify factory compliance against these operational benchmarks:

CSC Safety Approval: Each unit must bear a valid Convention for Safe Containers (CSC) safety approval plate, issued by an authorized classification bureau (e.g., ABS, BV, LR, DNV).

PTI & Watertightness Testing: Every unit undergoes a light-beam penetration test (darkness test) to verify zero pinhole light leaks, and a high-pressure nozzle water test (100 kPa at 1.5 m distance) along all gasket seals and weld seams.

Structural Load Testing: Factory prototype testing validates stacking strength (supporting up to 9 stacked containers loaded to 216,000 kg per stack corner post) and racking resistance under torsional forces.

Depot Availability: Confirm real-time stock availability at major export hubs (e.g., Qingdao, Shanghai, Ningbo) to avoid demurrage or shipping schedule delays.

Procurement Decision & Grading Guide

Selecting the appropriate container grade dictates upfront capital expenditure and expected service life:

One-Trip (Factory Prime): Manufactured overseas, loaded with a single cargo consignment during delivery to port, and arriving in near-new condition. Recommended for long-term on-site storage, aesthetic-sensitive branding projects, or immediate structural modification.

Cargo Worthy (CW): Used units inspected and certified by a third-party surveyor for international intermodal transport. Structurally sound, wind and watertight, with operable doors and valid CSC validation. Recommended for shipping freight or utilitarian storage yards.

Wind and Watertight (WWT): Structurally intact with minor surface rust or dents, verified free of leaks. Suitable for static storage where intermodal transport certification is unnecessary.

FAQ

Q: What is the advantage of a Double Door container over a standard High Cube?

A: A standard container features access exclusively at one end. A Double Door configuration features identical double-leaf gasketed doors at both ends, doubling accessibility points and reducing loading/unloading time by up to 40% in restricted yard layouts.

Q: Can a forklift drive directly onto the wooden flooring?

A: Yes. The 28 mm marine plywood floor is supported by high-strength transverse steel crossmembers spaced at 450 mm intervals, rated for a forklift axle load of up to 7,260 kg per pneumatic tire patch (14,200 lbs).

Q: Does the unit come with a valid CSC plate for international shipping?

A: One-Trip and Cargo-Worthy units are delivered with an active CSC plate valid for 5 years from the date of manufacture. Recertification is required thereafter if utilized for intermodal rail or ocean freight.

Q: What are the clearance requirements for delivery transport?

A: A standard 40ft container requires a 3-axle or 4-axle chassis trailer (compliant with regional DOT/ISO road freight regulations). The delivery site must provide a straight-line clearance length of at least 100 feet for a roll-back tilt-bed truck or side-loader crane truck to safely offload the unit.

Request A Technical Quotation

To generate an accurate commercial proposal, please provide the following parameters in your inquiry:

Container Grade:

One-Trip / Cargo Worthy / Wind and Watertight

Quantity:

Single unit or volume batch (TEU allocation)

Destination Port / Zip Code:

For intermodal drayage and freight calculation

Customization Requirements:

Forklift pockets, extra lashing rings, electrical package, or custom paint RAL color code

Direct Engineering Contact:

For structural CAD drawings, load-bearing calculations, or third-party inspection reports, submit your specifications directly to our technical sales desk.

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