GB/T 40734-2021
Non-destructive testing of welds—Phased array ultrasonic testing(PAUT)—Acceptance levels (English Version)
- Standard No.
- GB/T 40734-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
- GB/T 40734-2021
- Scope
- This document specifies the acceptance level for phased array ultrasonic testing (PAUT) of ferritic steel full penetration welded joints with base metal thickness not less than 6mm based on the weld quality level established in ISO5817. The acceptance levels specified in this document are suitable for classification according to the indications specified in ISO 13588.
GB/T 40734-2021 Referenced Document
- ISO 11666 Non-destructive testing of welds - Ultrasonic testing - Acceptance levels
- ISO 13588 Non-destructive testing of welds — Ultrasonic testing — Use of automated phased array technology
- ISO 15626 Non-destructive testing of welds - Time-of-flight diffraction technique (TOFD) - Acceptance levels
- ISO 5577 Non-destructive testing - Ultrasonic testing - Vocabulary
- ISO 5817 Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections*， 2023-02-24 Update
GB/T 40734-2021 history
- 2021 GB/T 40734-2021 Non-destructive testing of welds—Phased array ultrasonic testing(PAUT)—Acceptance levels
