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Hardness Testing

Hardness is a characteristic of a material, not a fundamental physical property. The hardness is defined as the resistance to indentation, and it is determined by measuring the permanent depth of the indentation.

Material hardness is a generic term for stiffness or temper and the defiance of the metal to scratching, abrasion or cutting.

The properties of a metal allow it to resist permanent deformation (bending, breaking or becoming misshapen) when a load is applied: clearly, the greater the hardness, the greater resistance to unwelcome change.

The most common form of hardness test involves resistance to indentation, and this is done by pressing a rounded indenter into the surface of a static load.

In keeping with our commitment to the latest technological innovations, ITCL technicians use Dynapocket™, a small, integrated digital hardness tester.

This technology can be used to test:

  • Heavy, fixed components
  • In difficult to access locations
  • On series parts during production
  • For material identification
  • On a range of materials including solid, coarse-grained objects, forged parts with homogenous surface structures and cast items

Dynapocket™ operate to the criteria of the standardised dynamic rebound method.

The compact design of this equipment allows easy, on-site testing of solid, fixed components even in difficult access conditions.

A key feature is an instant and reproducible measurement that can be made independent of impact direction. This is achievable due to a patented signal processor.

We also deploy Mic 10 hardness testers with a Vickers Diamond to indent test material. With conventional low load instruments the indent is measured microscopically, however, the Mic 10 electronically evaluates the indent by means of ultrasonic contact impedance. This offers a major advantage over visual inspection, even on small indents, as high test repeatability is assured. Measurements are taken under load and based on the full indent area not just the length of indent diagonals.


We pride ourselves on the high quality of application and testing by our experienced technicians. Our workforce is fully qualified to current standards and work to approved procedures and control checks. Environmental and health & safety issues are of paramount concern to all staff working on your site, with expert consultation always available.

ITCL offers a comprehensive 24hr in-house and on-site service.

Contact a member of the ITCL team on 0151 356 7118 for more information.

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Hardness Testing

Hardness Testing

For information on any of our services please contact us on +44 151 356 7118