How to select the appropriate preparation method:
- Locate the hardness of your specimen material on the X-axis.
- Depending on the ductility of the specimen, move up or down accordingly.
- Identify the letter indicating the suitable preparation method.
- Refer to Chapter 2 of the Metallographic Preparation Guide for detailed step-by-step procedures.
Numbers ①–⑩ in the chart represent 10 material groups; letters indicate preparation methods.