1 Scope
This standard specifies the inspection method of martensite microstructure of medium-carbon steel and medium-carbon alloy structural steel and the picture of martensite metallography.
2 Normative References
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, all subsequent amendments (excluding corrections) or revisions do not apply. However, the parties having come to agreements based on this standard are encouraged to study the possibility of applying the latest edition of these documents. For undated references, the latest edition applies.
GB/T 13298 Metal-Inspection Method of Microstructure
Foreword I
1 Scope
2 Normative References
3 Inspection Method
4 Martensite Grade and Microstructure
Appendix A (Informative) Application Scope for Various Grades of Martensite
Figure 1 Martensite Microstructure Grade (500×)
Table 1 Martensite Microstructure Grade
