DZ/T 0101.12-1994
Active
JJG 654-1990
Replaced
National Metrology and Inspection Regulations JJG
JJG 654-1990 Ultrasonic Hardness Tester
JJG 654-1990 Ultrasonic Hardness Tester
Basic Information
Standard Code:
JJG 654-1990
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
1990-02-26
Implement Date:
1991-01-01
Publisher:
The National Technical Supervision Bureau
Technical Committee:
The National Institute of Metrology and Quality Supervision of China
Pages:
8 pages
Scope
This procedure is applicable to the verification of ultrasonic hardness testers used to measure the Rockwell hardness of metals, whether they are newly manufactured, in use, or have undergone repairs.
Development Information
Drafting Units:
The National Institute of Metrology and Quality Supervision of China
Drafting Persons:
Zhou Peixian and Li Yushu
Superseded by the following standards
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