Container Grading Explained: A, B, C Grades and What They Really Mean.

May 29, 2025
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A, B and C graded shipping containers - what they really mean.

When purchasing or renting a shipping container - whether for storage, conversion, or transport - it’s important to understand the grading system.  The grade of a container directly influences its price, condition and suitability for different uses.

In South Africa’s growing second-hand container market, buyers often see labels like Grade A, Grade B, or Grade C, but what do they really mean?

Let’s unpack it.

Why Container Grades Matter.

Not all containers are equal.

Over time, exposure to sea salt, heavy loads and rough handling can cause wear and tear.

The grading system helps you assess:

  • The container’s physical condition.
  • If it’s cargo-worthy.
  • Its longevity and price point.

Understanding these grades means you can make a better choice, especially if budget is a key concern.

Grade A Containers - Excellent Condition.

Best For: Businesses looking for pristine appearance or high-value cargo.

Condition: Excellent.

  • Structure: Watertight, wind-tight and structurally sound.
  • Appearance: Clean paintwork, minimal dents or scratches.

(These have been used once to ship cargo to South Africa. They are generally less than 1-2 years old).

Expect to pay more for Grade A, but you get longevity and great visual appeal.

Grade B Containers - Good Condition with Minor Wear.

Best For: Functional storage or site offices where appearance is not a top priority.

  • Condition: Structurally sound with moderate dents or surface rust.
  • Structure:  Watertight and secure.
  • Appearance: Faded paint or shipping line branding may still be visible, along with dents.

Grade B is a popular choice for budget-conscious buyers needing reliability without paying a premium.

These have been used at sea to ship cargo for 10+ years. (Reflects associated wear).

Grade B Shipping Container

Grade C Containers – Affordable but Well-Worn

Best For: Static storage or projects with limited need for cosmetic apprearance.

  • Condition: Obvious signs of age - heavier rust, visible repairs.
  • Structure: May have worn floors or seals, but is still wind and watertight, - good to export cargo in.
  • Appearance: Heavy fading, dents, scratches and patchwork.

Grade C offers the lowest upfront cost, ideal when budget is tight and appearance is secondary.

Grade C Shipping Container

Choosing the Right Grade: What Should You Consider?

Budget – Are you buying / renting to save money, or to invest in long-term use?

Use Case – Will the container be seen by customers or hidden onsite?

Longevity – Is this a short-term solution or a long-term investment?

Modifications – Do you plan to convert or cut into it?

Almar stocks a wide range of new and used containers, clearly graded so you can make an informed decision that matches your needs and your budget.

Need help choosing the right grade?
Contact us for more information.

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