HARDMETALS - ROCKWELL HARDNESS TEST (SCALE A) -PART 2 : PREPARATION AND CALIBRATION OF STANDARD TEST BLOCKS
This part of ISO 3738 specifies the preparation and calibration of hardmetal primary standard test blocks, secondary standard test blocks and working standard test blocks from master standard test blocks to be used for the verification of Rockwell hardness testing machines (scale A) and indenters for testing hardmetals.
