Non-Destructive Testing

Positive Material Identification Services

Positive Material Inspection (PMI) can identify the metal or alloy within a piece of material without the need for a sample.

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Engineer holding a D-Meter on an asset to find the analysis of the chemical composition to identify type, class, the grade of material to comply with code standard as per required.

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What is Positive Material Identification?

PMI is an NDT method, which means that it does not damage the material being inspected. It is also a fast and accurate method, making it ideal for a variety of applications.

PMI uses a handheld X-ray fluorescence analyser (XRF) to measure the amount of each element in a metal and can identify all ferrous and nickel-based alloys. Our team of specialist technicians are certified to use the XRF analyser and are committed to adhering to strict safety procedures in accordance with the Ironizing Radiation Regulations (IRR) regulations, in line with local rules for the use of the analyser.

 

Engineering testing a weld using a device

Key benefits of PMI

Flexible

Due to the small size of the equipment used to complete PMI, the inspections can be carried out in confined spaces.

Instant results

PMI is a fast and efficient testing method which means that you will have your results in a timely manner.

Portable

As the equipment used to do PMI is portable, this allows for your materials to be tested at your site.

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How we’ll work with you

At BES Group, we elevate the art of PMI with a team of experienced and qualified PMI technicians who possess the expertise to navigate the intricacies of this method. Our state-of-the-art NDT laboratory provides a controlled environment for precise inspections, while our on-site capabilities enable us to reach your location with efficiency.

We can also carry out Optical Emission Spectroscopy (OES) to verify your material composition.

PMI can be used for a variety of purposes, including:

  • Material verification after purchase
  • Verification of suspected rogue material
  • Post-purchase material certification
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Alcumus ISOQAR

We're proud to have received SafeContractor accreditation from Alcumus ISOQAR, an industry leader in safety and quality management solutions, enhancing our expertise as a construction contractor for electrical services, pressure systems services, and the meticulous inspection and examination of lifting equipment.

  • British Engineering Services Limited
  • British Engineering Services Asset Reliability Ltd.
  • BES Group Electrical Ltd.
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UKAS TESTING - BES

UKAS - ISO/IEC 17025:2017 is an accreditation standard for testing and calibration laboratories, and demonstrates our competency to carry out mechanical testing and Non-Destructive Testing (NDT) of metals and weldments.

  • British Engineering Services Limited
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Environment Agency

The Environment Agency upholds environmental protection by monitoring, enforcing regulations, advising, and restoring degraded environments. By choosing them, we're highlighting our regulatory compliance and leading sustainability practices.

  • British Engineering Services Limited
  • BES Group Testing Ltd.
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SEPA

SEPA, the Scottish Environmental Protection Agency, is responsible for protecting and improving Scotland's environment. By choosing them, we're prioritising environmental sustainability and our compliance with environmental regulations.

  • BES Group Testing Ltd.
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BINDT

The British Institute of Non-Destructive Technology (BINDT) is a leading industry organisation, committed to advancing the science and practice of Non-Destructive Testing. By having our Non-Destructive Testing services certified under BINDT, we're prioritising the quality of the service we provide to our customers.

  • Alliance Inspection Ltd.
  • British Engineering Services Limited
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Our Positive Material Identification process

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Why choose BES Group?

800+ expert
engineers

Our team of skilled engineers possesses a wealth of expertise.

A legacy of 160+ years
of experience

We’re always evolving our approach to future proof our services.

An icon of people standing in a circle

35,000 satisfied customers

A strong reputation for providing exceptional service.

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Frequently asked questions

What materials can be identified with PMI?

PMI can be used to identify a wide range of materials, from ferrous and non-ferrous metals to plastics and composites.

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