GB/T 231.3-2012 formulated for the calibration of standard Hardness blocks in the brinell hardness test of metal materials. It specifies in detail the environmental conditions, operation procedures and equipment requirements for the calibration of standard Hardness blocks. Through rigorous measurement procedures, the brinell hardness value of Hardness blocks is accurately determined to ensure its accuracy and traceability. Accurately calibrated Hardness blocks become reliable benchmarks for calibrated Brinell hardness testers, ensuring stable and credible brinell hardness test results for metal materials, providing key support for product quality control and performance evaluation in the metal industry.
| Status | Abolish |
|---|---|
| CCS | N71 | ICS | 77.040.10;19.060 |
| Release Date | 2012-12-31 00:00:00 | Implementation Date | 2013-06-01 00:00:00 |