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Charpy Impact CRM & Verification Specimens

Certified reference specimens for indirect verification of pendulum impact testers

Impact Testing Machines · Impact CRM

Charpy impact CRM (certified reference material) specimens are sets of Charpy V-notch specimens with a certified absorbed-energy value. Breaking them on your impact tester and comparing the result with the certified value is the indirect verification required by ISO 148-2 and ASTM E23.

We supply impact CRM specimens from Diamond Tools, of which we are an authorised prime dealer, in low, high and super-high energy levels, each set supplied with its certificate.

  • NABL calibration
  • Installation & training
  • Genuine spares

Charpy Impact CRM & Verification Specimens Models

Click any product for full details, specifications and datasheets, or send an enquiry for the latest price.

Charpy Impact CRM & Verification Specimens: Guide

Why indirect verification matters

  • Confirms the impact tester as a whole, not just its dimensions
  • Required periodically by ISO 148-2 and ASTM E23
  • Gives auditors and customers confidence in your Charpy results
  • Detects wear of strikers and anvils early

Also available

Why Buy Impact CRM Machines from Canan Testing

  • Authorised Prime Dealer

    Genuine FIE, Saroj and Diamond Tools machines with factory warranty and support.

  • First NABL-Accredited

    The first company in India accredited by NABL for calibration of material testing machines.

  • Install, Train & Service

    Our own engineers install, commission and train your operators, then service the machine for life.

  • Genuine Spares in Stock

    Indenters, test blocks, grips and wear parts from ready stock for quick replacement.

  • Pan-India Presence

    Head office in New Delhi, 6 regional offices and 5 more offices across India.

  • 30+ Years, 5000+ Clients

    Trusted by automotive, steel and engineering majors, IITs, NITs and test laboratories.

Applicable Standards

  • ISO 148-2Verification of pendulum impact testing machines
  • ISO 148-3Preparation and characterisation of Charpy V-notch reference test pieces
  • ASTM E23Notched bar impact testing, including indirect verification

Listed for guidance. Confirm the exact standard and edition required by your customer or specification.

Frequently Asked Questions

What energy levels are available?

Sets are available in low, high and super-high energy levels. Choose levels that bracket the energies you normally test.

How often should I verify my impact tester with CRM?

ISO 148-2 and ASTM E23 require indirect verification at defined intervals, typically annually, and after repairs or relocation.

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