GB/T 4341.3-2016 "Metallic materials—Shore hardness test—Part 3: Calibration of reference hardness blocks" specifies the calibration requirements for reference hardness blocks used in Shore hardness tests. It covers the material requirements for reference hardness blocks, calibration equipment, calibration methods, calibration accuracy, and uncertainty evaluation. The standard clarifies the calibration procedures and technical indicators for reference blocks of different hardness grades. It is applicable to the calibration of reference hardness blocks in Shore hardness tests, providing a metrological traceability basis for the calibration of Shore hardness testers and the accuracy of hardness test results.
| Status | Active | ||
|---|---|---|---|
| CCS | N71 | ICS | 19.060;77.040.10 |
| Release Date | 2016-10-13 00:00:00 | Implementation Date | 2017-05-01 00:00:00 |
