Standards GB - Chinese national standards - Page 5541

Ultrasonic angle beam examination by the contact method

WITHDRAWN published on 8.5.1989

Measuring thickness by ultrasonic pulse-echo contact method

WITHDRAWN published on 8.5.1989

Non-destructive testing—Practice for measuring thickness by ultrasonic pulse-echo contact method

WITHDRAWN published on 30.7.2008

Method for manual ultrasonic testing and classification of testing results for ferritic steel welds

WITHDRAWN published on 8.5.1989

Non-destructive testing of welds—Ultrasonic testing—Techniques,testing levels,and assessment

WITHDRAWN published on 18.9.2013

Standard radiographs for inspection grading of gas porosity(round) in aluminum alloy casting

WITHDRAWN published on 8.5.1989

Mechanical vibration of large rotating machines with speed range from 10 to 200 r/s--Measurement and evaluation of vibration severity in situ

WITHDRAWN published on 8.5.1989

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WITHDRAWN published on 1.1.1989

Mechanical vibration of non-reciprocating machines—Measurements on rotating shafts and evaluation criteria—Part 2:Large land-based steam turbine generator sets

WITHDRAWN published on 6.6.1997

Mechanical vibration—Evaluation of machines vibration by measurements on rotating shafts—Part 2:Land-based steam turbines and generators in excess of 50 MW with normal operating speeds of 1 500 r/min,1 800 r/min,3 000 r/min and 3 600 r/min

WITHDRAWN published on 30.4.2007