Are Used Tank Shipping Containers Worth Buying?

2026-07-03

Used tank containers are decommissioned or idle ISO-standard pressure vessel tanks—with the 20-foot model being the market standard—designed for the multimodal transport (sea, rail, and road) and storage of bulk liquids; they offer procurement cost savings of 40% to 60% compared to new units and are suitable for repeated use.

Key Specifications (20-foot General-Purpose Model)

20ft Tank Container External dimensions: 6058 × 2438 × 2591 mm
Capacity: 21–28 m³ (21,000 L / 24,000 L / 26,000 L / 28,300 L)
Tare weight: 3,500–3,900 kg; maximum payload: 32–33 tonnes
Common Tank materials: 304 stainless steel, 316L food-grade stainless steel, or carbon steel with anti-corrosion lining
Standard configuration: Manhole, bottom discharge valve, safety valve, pressure gauge, rock wool insulation, side ladder, and walkway
Working pressure: Typically 4 bar (T11 general-purpose type); up to 22 bar for high-pressure hazardous chemical tanks (T50 gas tanks)

Four Main Categories of Used Tank Containers (by Application/Material)

1 T11 General-Purpose Chemical Tanks (Largest market inventory)

Material: 304 stainless steel with basic insulation layer
Applications: Ethylene glycol, lubricating oil, glycerin, diluting solvents, non-corrosive chemical raw materials; strictly prohibited for direct conversion to food transport

2 T14 Food-Grade Used Tanks (316L electropolished inner wall)

Inner wall mirror-polished (Ra ≤ 0.8 μm); easy to clean with no residue; meets food hygiene inspection standards
Applications: Edible oil, syrup, wine, fruit juice, dairy products, food additives

3 IMO Hazardous chemical tanks (IMO1/IMO2, T14 corrosive tanks, T50 gas tanks)

Suitable for hazardous goods such as strong acids, flammable solvents, liquefied gases, and hydrogen peroxide
Required Certifications: Valid IMDG, ADR, CCS marine survey, and safety valve calibration reports

4 Specialized Used Tank Containers

Insulated/Heated Tanks: Built-in steam heating coils; for storage and transport of asphalt, palm oil, hot-melt adhesives
Refrigerated Tank Containers: Equipped with refrigeration units; for cold-chain transport of pharmaceutical bulk ingredients and fresh-squeezed juice
Carbon Steel Anti-Corrosion Tanks: For static storage of diesel, industrial wastewater, and general fuels

Two Core Application Scenarios

Scenario 1: Multimodal Liquid Logistics Transport

For import/export bulk liquids, these units replace IBC totes and plastic drums; they offer 45% greater loading capacity compared to drummed shipments, significantly reducing packaging costs.

Scenario 2: Mobile/Stationary Storage Tanks for Plants and Worksites

Long-term storage of industrial chemicals, grains/oils, and diesel at factories, eliminating the need for permanent civil-engineered storage tanks;

Temporary fuel depots or storage for wastewater treatment chemicals at mines and construction sites;

Transfer hubs for agricultural grains and oils, and emergency liquid storage facilities;

Temporary storage and transfer at ports and yards, allowing for direct transport off-site upon project completion.

Advantages of Used Tank Containers

1. Purchase cost is only 1/3 to 1/2 that of new tanks, lowering the initial investment barrier;

2. Compliant with global ISO standards; compatible with standard trailers and terminal handling equipment; stackable for efficient storage;

3. Portable; can be relocated immediately after project completion, unlike fixed storage tanks;

4. Remaining service life of 10–18 years; easy maintenance; suitable for repeated leasing.

We offer both new standard tank containers and used units. If you have a need for these products, please contact us for details or to learn more about our other container categories.