GB/T 18658-2018 "Charpy V-notch reference specimens for indirect verification of pendulum impact testing machines": This standard specifies the technical requirements, preparation, and verification methods for reference specimens used in the indirect verification of pendulum impact testing machines. It is applicable to the indirect verification of testing machines conducted in accordance with relevant standards. The notched specimens and nominal dimensions specified in this standard impose stricter tolerance requirements compared to those for conventional specimens. This provides a standardized specimen basis for the precise verification of pendulum impact testing machines, ensuring the reliability of their test results.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | N71 | ICS | 19.060;77.040.10 |
| Release Date | 2018-07-13 00:00:00 | Implementation Date | 2019-02-01 00:00:00 |