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6 myths of the hardness testing standard

6 Myths of the hardness testing standard - Quality Digest

Old analog machines will need to be replaced by new machines to meet the new specification. The only machines that will meet the new specifications are load cell machines. Fact:ASTM E18 All Rockwell machines must be certified NIST-traceable for all of the scales that are being Old Rockwell testers won't meet the proposed specification due to the changes in the timing of Diamond indenters must be replaced with NIST-traceable indenters. Fact:Diamond indenters are All heat-treating procedures will have to be changed in order to compensate for the upward shift in

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