Our suggestions to prevent metal hardness test blocks corrosion

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If the necessary precautions are not taken, metal hardness test blocks may suffer a problem which totally compromises their validity:

The rust forming on test surface!

WHY DOES THIS HAPPEN?
Ferrous materials tend toward gradual corrosion due to their contact with oxygen and water. The higher the electrical conductivity of the aqueous solution is, the faster iron corrosion takes place. In the field of hardness testing, the main cause for rust forming is the sweating of the operator who handles metal test blocks.

THESE ARE OUR SUGGESTIONS TO PREVENT METAL HARDNESS TEST BLOCKS CORROSION:

  • Wear gloves to avoid direct contact with hands
  • After test block use, carefully dry them with a cloth
  • Apply an anti-rust product uniformly on the entire surface of the test block
  • Envelop the test block with carbonless copy paper and reseal it in its designated cover
  • Store in a cool and dry place

Following these basic rules will help “extending test blocks lives” and will guarantee their effectiveness when verifying the accuracy of hardness values detected by the instrument.

Do you know how to properly use hardness test blocks?

To have technical support, to renew your consumed range of test blocks (Rockwell, Brinell, Vickers, Shore, IRHD, Knoop, etc.) or for any further need

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