High Cube Storage Container

Industrial-Grade 40ft High Cube Storage Container

ISO-Certified | SPA-H Corten Steel | 9'6" Vertical Clearance

Technical Specifications & Dimensional Matrix

Industrial and logistics operations require precise spatial planning and structural verification. The 40ft High Cube Storage Container provides an internal height clearance of 8'10" (2,698 mm)-an extra 12 inches compared to standard dry vans-accommodating tall industrial machinery parts, custom racking systems, and oversized palletized inventory.

Manufactured in strict accordance with ISO 668, ISO 1496-1, and ISO 1161 standards.

Parameter	Specification	Compliance / Tolerance
External Dimensions (L x W x H)	12,192 mm x 2,438 mm x 2,896 mm (40' x 8' x 9'6")	ISO 668
Internal Dimensions (L x W x H)	12,032 mm x 2,352 mm x 2,698 mm	Exact Clearance
Door Aperture (W x H)	2,340 mm x 2,585 mm	Full-Width Access
Maximum Gross Weight (MGW)	30,480 kg (67,200 lbs)	CSC Certified
Tare Weight (Empty)	3,950 kg (+/- 2%)	Varies by floor spec
Net Payload Capacity	26,530 kg (58,488 lbs)	Operational Maximum
Cubic Capacity	76.2 cubic meters (76.2 m3)	Usable Volume

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Structural Engineering & Materials

Structural longevity under severe dynamic loading depends on material selection and joint integrity.

Weathering Steel Shell:

Side walls, roof sheets, and door panels utilize SPA-H Corten-A structural weathering steel. The integrated copper-chromium-alloy composition forms a stable, self-healing adherent rust layer when subjected to atmospheric cycles, halting internal corrosion propagation.

Heavy-Duty Frame:

Corner posts and main longitudinal rails utilize rolled steel profiles ranging from 4.0 mm to 6.0 mm in thickness, rated to support 9-high empty stacking and 2-high full stacking at 30,480 kg gross weight.

Flooring Subsystem:

Fitted with 28 mm thick marine-grade laminated hardwood (Apitong or Keruing) secured with countersunk M8 treated steel screws. Engineered and tested for a 7,200 kg forklift axle load per ISO 1496-1 rolling test criteria.

Sealing Architecture:

Double cargo doors feature four vertical hot-dip galvanized locking cams, stainless steel keepers, and dual-lip EPDM weatherstripping gaskets designed to prevent moisture and dust ingress across temperature ranges from -40C to +70C.

Industrial Application Suitability

Engineered for stationary warehousing and heavy-duty field deployment:

Plant Maintenance Cribs:

On-site secure storage for backup pumps, electric motors, and heavy production tooling adjacent to active manufacturing lines.

EPC & Energy Construction Sites:

Weatherproof field depots for high-value electrical cabling, safety instrumentation, and contractor gear in remote or marine climates.

Overflow Inventory Buffers:

Immediate capacity expansion for non-perishable raw materials, heavy molds, and stamped components without permanent civil construction costs.

Modular Shelter Conversions:

High-clearance structural baseline for custom portable workshops, generator enclosures, and remote PLC control stations.

Manufacturing Workflow & Quality Control

Structural reliability is governed by strict factory processing standards from raw metal to finished unit.

Production Stages

Surface Preparation: Raw Corten steel coils and plates undergo automated shot blasting to Sa 2.5 surface cleanliness, immediately followed by a shop-primer application to prevent flash oxidation.

Forming & Cold-Rolling: Hydraulic presses profile 1.6mm wall sheets into precise sinusoidal corrugated sections to maximize impact resistance and wind-shear tolerance.

Welding Protocols: Structural frames and corner castings are assembled in automated jigs. All primary structural welding is executed via CO2 gas-shielded arc welding performed by technicians certified to AWS D1.1 / ISO 9606 standards.

Coating System Application:

Degreasing, freshwater rinsing, and surface activation.

Zinc-rich epoxy primer: 40 um dry film thickness (DFT).

Intermediate barrier coat: 40 um DFT.

Polyurethane topcoat: 80 um DFT (Total system dry film thickness >= 160 um).

Factory Acceptance Testing (FAT):

Watertightness Test: 100% of units undergo a high-pressure rotating water spray test (minimum nozzle pressure 1 bar at a traversal speed of 0.5 m/s) to verify seal integrity.

Dimensional Verification: Laser checking of diagonal squareness, container length, width, and height tolerances against ISO 668 limits.

Supplier Verification, Compliance & Traceability

Global B2B deployment requires documented compliance with international freight frameworks.

Statutory Certifications:

Each production lot is inspected and individually certified by major classification societies (ABS, BV, DNV, or LR).

CSC & TIR Compliance:

Delivered with an affixed CSC (Convention for Safe Containers) safety approval plate and TIR customs compliance certificate for international rail and maritime transport.

Traceability Documentation:

Steel mill test certificates (MTC), weld inspection records, and paint batch quality reports are archived and accessible for client quality audits.

FAQ

Q: What is the exact internal height clearance of this High Cube container compared to standard units?

A: A High Cube container provides an internal height of 8'10" (2,698 mm), whereas a standard dry storage container provides 7'10" (2,390 mm), granting an extra 12 inches of vertical clearance for tall industrial assets.

Q: Are these containers certified for international maritime transport and rail freight?

A: Yes. Every unit leaves the factory with an active CSC safety approval plate, authorizing it for multi-modal shipping, container vessel stacking, and domestic rail/road haulage.

Q: What is the maximum forklift axle load rating for the standard wooden floor?

A: The standard 28mm marine plywood flooring supported by steel crossmembers is rated for a 7,200 kg (15,873 lbs) forklift axle load, provided the load footprint is distributed across standard pneumatic or solid rubber dual wheels.

Q: Can these base units be customized with personnel doors, ventilation, or electrical modifications?

A: Yes. We supply base units for industrial conversion. Standard modifications include steel personnel doors, louvered intake vents, twist-lock mounting brackets, and interior spray-foam insulation per engineering blueprints.

Q: What documentation is provided for corporate quality auditing?

A: Upon shipment, we supply the Classification Society certificate, CSC plate registration data, structural steel mill test certificates (MTC), and factory coating inspection logs.

Q: Request a Technical Quotation / RFQ

A: To receive a commercial proposal including maritime/land logistics options, volume tier pricing, and compliance documentation, submit your project parameters directly to our engineering sales desk:

Required Quantity & Model: (e.g., 20 units of 40ft High Cube)
Destination Port / Delivery ZIP Code:
Project Specifications: (e.g., Standard factory build vs. specific structural modification requirements)

As one of the leading high cube storage container suppliers in China, we warmly welcome you to buy high cube storage container for sale here and get quotation from our factory. All containers are with high quality and competitive price.