Revised Standard from Last Update.

1. SCOPE

This standard prescribes the following five methods of measuring case depth (CD) of steel hardened by carburizing, nitriding, carbonitriding, cyaniding or induction and flame hardening (applicable methods are indicated in Table 1):

a) Hardness method,

b) Chemical method,

c) Macrostructure method,

d) Microscopic method; and

e) Fracture method (for routine process control).

2. REFERENCES

The following standards contain provisions which through in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below:

228 (relevant parts) Methods for chemical analysis steels

1501 (Part 1) : 2020/ISO 6507-1 : 2018 Metallic materials - Vickers hardness test: Part 1 Test method (fifth revision)

1586 (Part 1) : 2018/ISO 6508-1 : 2016 Metallic materials - Rockwell hardness test: Part 1 Test method (fifth revision)

1956 (relevant parts) Glossary of terms relating to iron and steel