JB/T 9377-1999
Specifications for ultrasonic hardness testers (English Version)
- Standard No.
- JB/T 9377-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2010-07
- Replace By
- JB/T 9377-2010
- Latest
- JB/T 9377-2010
- Scope
- This standard specifies the technical requirements, inspection methods, inspection rules, marking and packaging of ultrasonic hardness testers. This standard applies to ultrasonic hardness testers used to measure Brinell, Rockwell and Vickers hardness of metallic materials according to the ultrasonic contact impedance method.
JB/T 9377-1999 history
- 2010 JB/T 9377-2010 Specification for the ultrasonic hardness testers
- 1999 JB/T 9377-1999 Specifications for ultrasonic hardness testers
