3 10 月, 2026
Pre-Shipment Inspection for Steel: What Buyers Should Arrange
Pre-shipment inspection is the check a buyer arranges before the goods leave the factory or the port of loading, so that someone independent of the seller confirms that quantity, dimensions, appearance, marking and packing match the order. Its value comes from timing: a report issued while the goods are still with the seller gives the buyer something to act on. It is not a substitute for the mill test certificate that travels with the cargo.
Short answer
Pre-shipment inspection verifies that the goods conform to the order before they are shipped. In steel it commonly covers quantity and unit count, dimensions and unit weight, surface condition, marking and traceability, packing and container stuffing, and the documents that will travel with the cargo. Where material properties need independent confirmation, that is testing rather than inspection, arranged separately with an accredited laboratory.
What a pre-shipment inspection covers
| What is checked | What the inspector does | Why it matters at that point |
|---|---|---|
| Quantity and unit count | Counts bundles, pieces or coils against the packing list | Cheaper to correct before loading |
| Dimensions and unit weight | Checks sampled pieces against the ordered size and tolerance | A wrong size is a wrong order at sea |
| Surface condition | Records rust, marks, deformation and edge damage | Claims are judged against the state at loading |
| Marking and traceability | Reads heat numbers, tags and bundle marks | Links goods to the travelling mill certificate |
| Packing and seaworthiness | Inspects bundling, wrapping, dunnage and stuffing | Transit damage follows how it was packed |
| Documents | Cross-checks invoice, packing list and mill certificate against the goods | Document errors become customs delays |
Who can carry it out
- The buyer’s own quality or procurement staff, travelling to the plant or warehouse.
- A third-party inspection agency, engaged by the buyer and reporting only to the buyer.
- An accredited testing laboratory, where the question is material properties, not visible condition.
How to arrange one
- Define the standard before the order: agree the specification, tolerances, packing and acceptance criteria in the purchase order.
- Name the inspection clause in the contract, covering who arranges it, who bears the cost and when it takes place.
- Fix the window against the loading schedule, so the inspection falls after packing but before the container is sealed.
- Ask for a written report with photographs and sampling detail, rather than a one-line pass.
- Tie the release or balance step to the report, so anything that fails is dealt with while the goods are still on shore.
How it relates to the mill certificate
A mill test certificate is issued by the mill about the material it produced: it records the heat analysis and the mechanical properties as tested. A pre-shipment inspection examines the goods themselves against the order. The two answer different questions, and most buyers want both. Where the certificate is issued under EN 10204, the 3.1 versus 3.2 distinction is worth settling at the order stage, because it decides who issues it and how much independent verification stands behind it. See EN 10204 3.1 vs 3.2 and how to read a mill test certificate.
What this means for your order
- Put the inspection requirement and the acceptance criteria in the enquiry, not after the order is placed.
- State whether you need a document review, a visual and dimensional check, or independent testing.
- Ask for the packing and marking standard to be confirmed in writing before production starts.
- Keep the report with the shipping documents; it records the condition of the goods at loading.
Related reading
- What are the main risks of buying steel from China?
- EN 10204 3.1 vs 3.2: which mill test certificate do you need?
- Which region of China should you import steel from?
Frequently asked questions
What is a pre-shipment inspection for steel?
An independent check on the goods before they are shipped, carried out on the buyer’s behalf. It confirms that quantity, dimensions, surface condition, marking, packing and documents match the order while the goods are still with the seller.
Is a pre-shipment inspection the same as a mill test certificate?
No. The mill test certificate is issued by the mill about the material it produced, and records the heat analysis and mechanical properties. A pre-shipment inspection examines the goods against the order. They answer different questions.
Should the inspection happen before or after packing?
After production and packing but before the container is sealed. The goods are then complete but still on shore, so dimensional checks and the state of the packing can be recorded while they can still be acted on.
Who pays for a pre-shipment inspection?
It depends on the contract. Third-party inspection is normally arranged by the buyer, and the cost can sit with the buyer or, where the contract provides for it, the seller. Settle it in the purchase order. Request a quotation stating the inspection you need.
This article describes pre-shipment inspection as a general process for buyers. It makes no statement about the certification status of any company; inspection arrangements, cost allocation and documentation should be confirmed against your own contract and destination market.
Send the product, size, grade and quantity you need and we will come back with a worked offer. See the steel product catalogue, how we inspect and certify each order, or request a quotation.