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

Standard No.

GB/T 39432-2020

Language

Chinese

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 39432-2020

Scope

This standard specifies the dimensions, materials and fabrication requirements for steel stepped test blocks used to adjust ultrasonic equipment. Note: In the actual detection process, the stepped test block is used to simply and quickly adjust the time base and detection sensitivity of the ultrasonic equipment.

GB/T 39432-2020 Referenced Document

• EN 13304 Bitumen and bituminous binders - Framework for specification of oxidised bitumens
• ISO 5577 Non-destructive testing - Ultrasonic testing - Vocabulary

GB/T 39432-2020 history

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