This standard specifies the relevant terms and definitions, symbols, sample cutting and preparation, detection field selection, microscope configuration, detection methods, detection arbitration methods, result expression and detection reports, etc. content. This standard is applicable to high carbon steel wire rods with a carbon content greater than 0.65%. The detection of troostite content in other wire rods can be carried out with reference to this standard.
YB/T 169-2014 Referenced Document
GB/T 13298 Inspection methods of microstructure for metals
GB/T 15749 Measuring method in quantitative metallography
YB/T 081 Rule for rounding off of numberical values and judgement of testing values for technical standards of metallurgy
YB/T 169-2014 history
2014YB/T 169-2014 Metallographic test method of sorbite in high carbon steel wire rod
2000YB/T 169-2000 Metallographic test mothod for the sobit percent in the high carbon steel wire rod