GB/T 3849.2-2010 "Carbide rockwell hardness test (A scale) Part 2: Preparative and calibrating of standard test blocks", focusing on the standard test blocks for carbide rockwell hardness (A scale) test. The standard specifies the material requirements and prepative process of the standard test block, and clarifies the calibrating conditions, processes and evaluation criteria to ensure the accuracy and reliability of the test block Hardness value, provides a benchmark for the hard alloy rockwell hardness (A scale) test, and guarantees the conformity and accuracy of the hardness testing results.
| Status | Active |
|---|---|
| CCS | H16 | ICS | 77.160 |
| Release Date | 2011-01-14 00:00:00 | Implementation Date | 2011-11-01 00:00:00 |