Comprehensive Technical Data Sheet & Global Procurement Guide

Operational & Dimensional Matrix
Engineered specifically for high-cube, low-density cargo and modular industrial conversions, the 40ft High Cube (40'HC) dry cargo container provides an additional 30 cm (12 inches) of vertical clearance compared to standard 40ft units.

Parameter	Imperial Specification	Metric Specification
External Length	40' 0"	12,192 mm
External Width	8' 0"	2,438 mm
External Height	9' 6"	2,896 mm
Internal Length	39' 4"	12,032 mm
Internal Width	7' 8"	2,352 mm
Internal Height	8' 10"	2,698 mm
Door Opening Width	7' 8"	2,340 mm
Door Opening Height	8' 5"	2,585 mm
Cubic Capacity	2,694 cu. ft.	76.2 cu. m
Max Gross Weight (MGW)	67,200 lbs	30,480 kg
Tare Weight (Tolerance +/- 2%)	~8,600 lbs	~3,900 kg
Max Payload	58,600 lbs	26,580 kg
Permissible Stacking Load	492,800 lbs (9 High at 24t)	223,200 kg (9 High at 24t)

Material Specifications & Metallurgy

Structural integrity in corrosive marine and intermodal environments depends directly on rigorous material selection:

Primary Frame & Posts: Corner posts, roof bows, and cross members are fabricated from Corten-A (SPA-H) weathering steel, offering atmospheric corrosion resistance 6 to 8 times higher than structural carbon steel.

Corrugated Panels: Side and roof panels are cold-pressed from 1.6mm to 2.0mm SPA-H sheets, joined via automated CO2 gas-shielded arc welding to maintain rigid stability under maximum payload deflection.

Flooring Construction: Fitted with 28mm thick marine-grade Apulum tropical hardwood or waterproof bamboo-composite plywood, fastened securely with countersunk anti-shear screws. Engineered to withstand heavy forklift axle loads up to 7,260 kg (16,000 lbs).

Corner Castings: Drop-forged SCW49 steel corner castings fully compliant with ISO 1161, rated for multi-directional twist-lock forces during high-speed crane hoisting and vessel transit.

Manufacturing Process & Quality Control

Production is strictly managed under certified ISO 9001 and ISO 3834 manufacturing quality standards:

Surface Preparation:

Raw steel plates undergo centrifugal shot blasting to Sa 2.5 grade surface cleanliness, completely eliminating mill scale and oil residues prior to primer application.

Weld Verification:

All principal structural welds undergo rigorous non-destructive testing (NDT) and detailed visual inspections by certified welding inspectors (CWI).

Weatherproofing Verification:

Every unit undergoes a stringent watertightness test via high-pressure water jets (1 bar pressure at 1.5-meter distance) to verify absolute zero seam or door seal leakage.

High-Performance Coating System (Total DFT >= 160 um):
Zinc-rich epoxy primer: 40 um
Intermediate epoxy build coat: 80 um
Polyurethane / Acrylic topcoat: 40 um

Salt spray resistance rating exceeds 3,000 hours without blistering or creep under ASTM B117 testing protocols.

Application Suitability

Global Intermodal Logistics: Fully certified for seamless transit across ocean-going container vessels, rail freight lines, and highway container chassis.

High-Volume & Voluminous Cargo: Safely accommodates tall industrial machinery, light palletized goods, and oversized equipment exceeding standard 8'6" height restrictions.

Industrial Site Storage: Provides rodent-proof, weather-tight, and highly secure on-site asset storage for heavy industry, construction sites, and energy projects.

Modular Engineering Conversions: Deployed globally as the prime structural base shell for custom mobile generator enclosures, water treatment skids, and field offices.

Compliance & Regulatory Standards

CSC Safety Approval: Affixed with a valid CSC (International Convention for Safe Containers) safety approval plate issued by authorized classification surveyors.

ISO Design Compliance: Manufactured in strict alignment with ISO 668, ISO 1496-1, and ISO 1161 international standards.

Classification Society Options: Individual unit inspection certificates available upon request from major agencies including BV, ABS, LR, or CCS.

Request for Quote (RFQ) & Procurement Information

To secure an accurate, competitive commercial and logistical proposal, please include the following parameters in your inquiry:

Order Quantity & Unit Type: (e.g., 40'HC Brand New / One-Trip vs. Cargo-Worthy)

Incoterms & Destination: FOB loading port / CIF destination port / Ex-Works factory depot

Classification Requirements: Standard CSC plate vs. Third-party class certificates (BV, ABS, LR)

Customization Needs: Custom exterior paint RAL colors, company logo decals, or specific structural modifications (e.g., ventilation louvers, personnel access doors).

Engineering Support: Detailed CAD block drawings, finite element analysis (FEA) data sheets, and structural load calculations are available directly from our engineering desk upon request.

FAQ

Q: What is the exact interior height clearance of a 40ft High Cube container?

A: The internal height is 2,698 mm (8 feet 10 inches), providing 304 mm (12 inches) more vertical clearance than a standard 40ft dry container. The door entry height is 2,585 mm.

Q: Are these units certified for immediate international maritime deployment?

A: Yes. Every unit is manufactured to standard ISO dimensions and delivered with a valid CSC safety approval plate, ensuring immediate acceptance by all major ocean carriers and rail operators worldwide.

Q: What specific steel grade is used for the container body?

A: We utilize structural weathering steel Corten-A (SPA-H) for all primary structural components, including corner posts, side rails, header panels, and door frames, ensuring long-term rust prevention in aggressive marine environments.

Q: Can these containers be structurally modified for equipment enclosures?

A: Yes. The 40'HC framework is widely preferred for industrial conversions. We support factory-integrated modifications including louver installations, personnel access doors, partition walls, and thermal insulation framing based on your engineering drawings.

Q: What is the paint film thickness and salt-fog performance standard?

A: The standard marine protective coating system has a minimum total dry film thickness (DFT) of 160 microns and is certified to withstand over 3,000 hours of continuous salt spray exposure under ASTM B117 protocols.

Hot Tags: 40ft high cube dry cargo container, China 40ft high cube dry cargo container suppliers, factory