GB/T 39432-2020: Non-destructive testing - Ultrasonic testing - Specification for step wedge calibration block

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Scope

This Standard specifies the sizes, materials and manufacturing requirements of steel
step wedge calibration block used for the adjustment of ultrasonic equipment.
NOTE: in the practical detection process, the step wedge calibration block is used to adjust
the time baseline and detection sensitivity of ultrasonic equipment simply and
quickly.

Basic Data

Standard ID	GB/T 39432-2020 (GB/T39432-2020)
Description (Translated English)	Non-destructive testing - Ultrasonic testing - Specification for step wedge calibration block
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J04
Word Count Estimation	6,676
Date of Issue	2020-11-19
Date of Implementation	2021-06-01
Regulation (derived from)	National Standard Announcement No. 26 of 2020
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration