New vs. Used Shipping Containers: What's the Difference?

Container Grading Explained

The container industry uses a grading system to classify units by age and condition. Understanding this system helps you get the best value for your investment.

One-Trip (New) Containers

A one-trip container has been used only once to ship goods from the manufacturer — usually overseas. They are essentially brand new, with minimal wear, original paint, and no rust. These are the premium option.

Pros of One-Trip Containers:

• Pristine condition inside and out
• No rust, dents, or odours
• Longer lifespan
• Ideal for office conversions or food-safe storage

Cargo-Worthy (CW) Used Containers

Cargo-worthy containers have been inspected and certified safe for international shipping. They may show surface rust, minor dents, and repainting, but are structurally sound and wind/water tight.

Wind & Water Tight (WWT)

WWT containers are retired from active shipping but are still watertight and suitable for long-term storage. These are typically the most affordable option.

Which Should You Choose?

If budget is your primary concern and you just need dry, secure storage — a used WWT container is an excellent choice. If you're building a container home, office, or need a clean aesthetic, invest in a one-trip unit.

Our Quality Guarantee

Every container sold by Steel Can Containers in Winnipeg is personally inspected by our team. We stand behind each unit we sell and will only offer containers that meet our quality standards.