REFERENCE HARDNESS TEST BLOCKS

Reference hardness test blocks warranty - 2 years

Carrier bag     Carrier bag

PURPOSE

Reference hardness test blocks (hereinafter referred to as hardness test blocks) are intended for the reproduction of metal hardness on Rockwell, Brinell, Vickers and Shore D hardness scales. The hardness test blocks are used at the calibration and verification of hardness testers.
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R-, SR-

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R-

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B-

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B-

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SH-MET

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MMTV-MET
 

COMPLIANCE WITH INTERNATIONAL AND NATIONAL STANDARDS

  • ISO 6506, ISO 6507, ISO 6508
  • ASTM E92, ASTM E384, ASTM E18, ASTM E10
  • GOST 9031, 8.064-94, GOST 8.063-07, GOST 8.062-85, GOST 8.516-01.

VERIFICATION AND CALIBRATION

Primary calibration of hardness test blocks is performed by VNIIFTRI - the National Metrological Institute of Russia. The verification interval is 2 years.

DESCRIPTION

The test blocks are manufactured in the form of rectangular or round plates from carbon or alloy steel. The test blocks are manufactured in R-, SR-, B-MET, V-MET, MTV-MET and Sh-MET modifications and intended for the reproduction of metal hardness on Rockwell, Super-Rockwell, Brinell, Vickers, micro Vickers and Shore D hardness scales respectively.
  • R-: Rockwell (HRA, HRB, HRC)
  • SR-: Superficial-Rockwell (HRN, HRT)
  • B-: Brinell (HB)
  • V-: Vickers (HV)
  • MV-: Micro Vickers (HV)
  • Sh-: Shore (HSD)

LABELING

The following information is put onto the side surface of the hardness test block:
  1. Manufacturer's logo (Centre "");
  2. Verification month;
  3. Test block serial number assigned by the National Metrological Institute of Russia, which performed the calibration.
  4. Hardness value with an indication of the hardness scale.
The state mark of verification belonging to VNIIFTRI is put onto the working area (right lower angle).

ADVANTAGES

  • Minimum dispersion of hardness readings along the surface;
  • Long-term stability;
  • Manufacturing according to individual orders (on all hardness scales and ranges);
  • Delivery by piece and in sets.

CERTIFICATION

Centre has a license for the production of test blocks 000087-IR issued by the Federal Agency for Technical Regulation and Metrology. Reference hardness test blocks of MET series are registered in the State Register of Measuring Equipment of Russia, Byelorussia, Kazakhstan and Ukraine and have certificates of type approval of measuring instruments.

TECHNICAL CHARACTERISTICS

Technical characteristics of reference hardness test blocks are listed on a separate page.
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