Energodiagnostika

Metal Magnetic Memory Method

Energodiagnostika Co. Ltd. — a company founded in 1992 in Moscow, operates in the field of industrial safety assurance for various production industries and quality control of machine-building products.

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About MMM method

About metal magnetic memory method

The metal magnetic memory method has been developed practically and theoretically for more than 35 years. The method and the appropriate inspection instruments are used at more than 1200 enterprises of Russia. The method became widespread in 47 countries of the world. The International Standard ISO 24497-1:2007(E), 24497-2:2007(E), 24497-3:2007(E) on the metal magnetic memory method is approved in 2007 as a result of positive voting among 18 IIW member countries and more than 10 ISO Committee countries.

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MMM method application

MMM method application

The MMM method is used in quality control of metal and welded joints of products at machine-building plants; in the manufacture, repair and operation of pipelines, vessels, equipment, structures and products made of ferromagnetic and paramagnetic material in all industries; in inspection of lifting and rotating mechanisms; in studies of the metal mechanical properties in the laboratory conditions.

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Production

Production

Design and manufacture of specialized inspection instruments and scanning devices for the metal magnetic memory method, warranty and post-warranty service. Software engineering. Development of Russian and International standards, guideline documents in the field of non-destructive testing and engineering diagnostics. Development of specialized inspection techniques for various industries using the metal magnetic memory.

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Diagnostic works

Diagnostic works

Technical diagnostics of equipment, pipelines, metal structures, machine parts (new and used) in various industries and residual life prediction using the metal magnetic memory method. Assessment of technical condition and early diagnosis of equipment damage in the interests of insurance companies to insure risks in the field of industrial safety. Solving complex problems of quality control of metal products and welded joints. Improving the technologies for manufacturing products, heat treatment, etc. Unique technology of non-contact magnetometric diagnostics of buried pipelines.

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Certification of specialists

Certification of specialists

Since 1996, the Russian and international center for experts training and certification in the metal magnetic memory method has been operating in Moscow. The Center branches operate in Prague, Warsaw and Beijing.

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Company News

January 31, 2026

Guidelines for sucker rods inspection

"Guidelines for well pumping plant sucker rods inspection using the metal magnetic memory method" have been developed

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December 1, 2025

15th International Exhibition Metal & Weld 2025

Energodiagnostika Co. Ltd. took part in the 15th International Exhibition on Metalworking and Welding Technology as part of the RWS delegation, 27-29 November 2025 in Hanoi, Vietnam

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May 31, 2024

20th World Conference on Non-Destructive Testing

Energodiagnostika Co. Ltd experts and partners presented two oral papers and the MMM method and inspection instruments at the Exhibition within 20th WCNDT, 27-31 May 2024 in Incheon, Korea

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May 31, 2024

Specialist International Group on the Metal Magnetic Memory Method of the International Committee for Non-Destructive Testing (ICNDT SIG MMM)

Meeting of Specialist International Group on the Metal Magnetic Memory Method of the International Committee for Non-Destructive Testing (ICNDT SIG MMM). May 30, 2024, Incheon, Korea

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September 8, 2022

Scientific and technical council of the SIU "RISCOM"

Scientific and technical council of the Scientific-industrial Unit "Industrial Safety, Risks Management, Control and Monitoring" (SIU "RISCOM") on the metal magnetic memory method. September 08, 2022.

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February 26, 2021

Online Conference "Diagnostics of equipment and structures using the metal magnetic memory"

Online Conference "Diagnostics of Equipment and Structures Using the Metal Magnetic Memory". February 25, 2021

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March 31, 2020

ISO 24497-1:2020(E) Non-destructive testing - Metal magnetic memory - Part 1: Vocabulary and general requirements

The second edition of ISO 24497-1:2020(E) Non-destructive testing - Metal magnetic memory - Part 1: Vocabulary and general requirements was published

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Facts & Figures

Energodiagnostika Co. Ltd. cooperates with organizations working in the field of industrial safety and non-destructive testing in 47 countries. The company has developed 20 specialized testing instruments and more than 30 scanning devices for the Metal Magnetic Memory method. Research work is carried out, 16 books have been published, over 450 articles on magnetic methods of non-destructive testing, and more than 60 specialized testing techniques for various industries have been developed.

  • 33 years

    of experience in the field of non-destructive testing

  • 5000

    specialists in the MMM method have been trained

  • 15

    standards for the Metal Magnetic Memory method have been developed

  • 1200

    enterprises use the MMM method and corresponding testing instruments

Our History

Today 2026

Energodiagnostika Co. Ltd

Energodiagnostika is the main developer of a new non-destructive testing method and inspection instruments based on application of the metal magnetic memory (MMM).

March 2020

Standards on the metal magnetic memory method

Publication of the second revision of international ISO standards 24497 on the magnetic memory of metal.

July 2016

International group of specialists in the MMM method

Establishment of an international group of specialists in the MMM method at the International Committee for Non-Destructive Testing (ICNDT).

January 2015

Certification Center of Energodiagnostika Co. Ltd

Opening of a separate division of the Independent Personnel Certification Body in the field of non-destructive testing.

July 2011

Accreditation of the metrological service

Metrological service accreditation in the field of ensuring the uniformity of measurements.

January 2008

Manufacture of devices

Foundation of a production unit in Reutov and Ryazan for manufacture and maintenance of instruments, specialized scanning devices and software development.

November 2007

ISO standards on MMM

Publication of international ISO standards on the metal magnetic memory method.

June 2003

GOSTs on MMM

Issue of Russian standards (GOSTs) on the metal magnetic memory method.

May 1997

Certification of TSC instruments

Licensing the activities on expert examination of industrial safety. Certification of TSC instruments and approval of measuring device types.

January 1996

Training center

Opening of a training center in Moscow on the basis of the Civil Service Advanced Training Institute, development of a training and certification program for specialists using the MMM method.

June 1994

Inspection Devices for Metal Magnetic Memory Method

Manufacture of the first instruments based on the MMM method, which have no analogues in the world. The first presentation of the new technology in the International Institute of Welding (IIW), which served as the starting point for the MMM method standardization at the ISO level.

December 1993

Diagnostic works

Active diagnostic work at power plants in Russia, Ukraine, Kazakhstan, China, India, Poland, Bulgaria with development of techniques and the first Gosgortekhnadzor guideline documents based on the use of the metal magnetic memory effect.

November 1992

Foundation of the Company

Foundation Energodiagnostika Co. Ltd, a company operating in sphere of industrial safety assurance in different industries and in the sphere of engineering industry products quality control.

Application of the MMM Method