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ISO 3738-2:1988
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ISO 3738-2:1988 Hardmetals - Rockwell hardness test (scale A) - Part 2 : Preparation and calibration of standard test blocks
standard by International Organization for Standardization, 12/01/1988
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Specifies primary standard test blocks, secondary standard test blocks and working standard test blocks calibrated from master standard test blocks to be used for the verification of Rockwell hardness testing machines and indenters for testing hardmetals. This part of ISO 3738 should be read in conjunction with ISO 3738-1.