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TOC

1. Introduction
1.1. IntroductionIntroduction

2. Rockwell Hardness Test
2.1 Significance of the test
2.2 Rockwell indentation test principle
2.3 Rockwell hardness scales
2.4 Rockwell hardness number
2.5 Test method standards

3. Test Procedure
3.1 Choosing the appropriate Rockwell scale
3.2 Test surface preparation
3.3 Rockwell hardness testing machine
3.4 Hardness measurement

4.Reference Test Block Standards
4.1 Primary reference test blocks
4.2 Secondary reference test blocks
4.3 Use of reference test block standards

5. Verifications of Rockwell Hardness
5.1 Direct verification
5.2 Indirect verification
5.3 Correcting measurement biases

6. Monitoring Test Machine Performance
6.1 Reproducibility
6.2 Daily verification

7.Reducing Measurement Differences and Errors
7.1 Reduce machine component operating errors
7.2 Verify machine measurement performance
7.3 Measurement locations

8.Traceability
8.1 Traceability
8.2 Measurement error
8.3 Uncertainty

9.Status of Rockwell Hardness Standardization
9.1 United States
9.2 International

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