Material Test Certificates

A material test certificate (MTC) and often also called:

  • Certified mill test report.
  • Certified material test report.
  • Mill test certificate (MTC).
  • Inspection certificate.
  • Certificate of test, etc.

It is a quality assurance document used in the metals industry that certifies a material’s chemical and physical properties and states a product made of metal compliance with specific standards such as ANSI, ASME, ISO, JIS, etc.

Inspection documents

Trace the history of the material, reference to the inspection documents must be made.

Which provides guidance on these types of document. Under BS EN 10204 Metallic products – Types of inspection documents is the standard.
Non-specific inspection

Inspection carried out by the manufacturer in accordance with his own procedures to assess whether products defined by the same product specification and made by the same manufacturing process, are in compliance with the requirements of the order.

Non-specific inspection

  • Type 2.1 are documents in which the manufacturer declares that the products supplied are in compliance with the requirements of the order without inclusion of test results.

  • Type 2.2 are documents in which the manufacturer declares that the products supplied are in compliance with the requirements of the order and in which test results based on non-specific inspection are supplied .

Specific inspection

Inspection carried out, before delivery, according to the product specification, on the products to be supplied or on test units of which the products supplied are part, in order to verify that these products are in compliance with the requirements of the order.

  • Type 3.1 are documents in which the manufacturer declares that the products supplied are in compliance with the requirements of the order and in which test results are supplied.

  • Type 3.2 are documents prepared by both the manufacturer’s authorized inspection representative independent of the manufacturing department, and either the purchaser’s authorized representative or the inspector designated by the official regulations, and in which they declare that the products supplied are in compliance with the requirements of the order and in which test results are supplied.


Other topics may support you to verify MTC:


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