GB/T 7704-1987
Replaced
GB/T 42872-2023
Active
National standards
GB/T 42872-2023 Non-destructive testing—Ultrasonic testing and evaluation for turbing-blades in service
GB/T 42872-2023 Non-destructive testing—Ultrasonic testing and evaluation for turbing-blades in service
Basic Information
Standard Code:
GB/T 42872-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods
ICS Name:
Non-destructive testing
Publish Date:
2023-08-06
Implement Date:
2023-08-06
Pages:
30 pages
Scope
This document specifies the general requirements, inspection, defect measurement, and evaluation for the application of Type A pulse reflection ultrasonic testing to in-service turbine blades.
This document is applicable to the in-service inspection of turbine blades (hereinafter referred to as "blades") without disassembling them, and is not applicable to the inspection of blades with coatings. The ultrasonic inspection of blades during the installation phase shall be carried out in accordance with this document.
Development Information
Referenced Standards
GB/T 9445-1999 Qualification and certification for nondestructive testing personnel
GB/T 9445-2005 Non-destructive testing—Qualification and certification of personnel
GB/T 9445-2008 Non-destructive testing—Qualification and certification of personnel
GB/T 9445-2015 Non-destructive testing—Qualification and certification of NDT personnel
GB/T 12604.1-2005 Non-destructive testing—Terminology—Terms used in ultrasonic testing
GB/T 12604.1-2020 Non-destructive testing—Terminology—Ultrasonic testing
GB/T 19799.1-2005 Non-destructive testing—Ultrasonic testing—Calibration block No.1
GB/T 19799.1-2015 Non-destructive testing—Ultrasonic testing—Specification for calibration block No.1
GB/T 27664.1-2011 Non-destructive testing—Characterization and verification of ultrasonic test equipment—Part 1:Instruments
GB/T 27664.2-2011 Non-destructive testing—Characterization and verification of ultrasonic test equipment—Part 2:Probes
GB/T 27664.3-2012 Non-destructive testing—Characterization and verification of ultrasonic test equipment—Part 3:Combined equipment
GB/T 9445-2024 Non-destructive testing—Qualification and certification of personnels
JB/T 8428-2015 Universal specification for ultrasonic test block for non-destructive testing
JB/T 8428-2006 Non-destructive testing (NDT) ultrasonic testing standard sample (USS)
JB/T 8428-1996 Standard test block for ultrasonic testing equipment for correcting steel welds
GB/T 27664.1-2026 Non-destructive testing instruments—Characterization and verification of ultrasonic test equipment—Part 1:Instruments
GB/T 27664.2-2026 Non-destructive testing instruments—Characterization and verification of ultrasonic test equipment—Part 2:Probes
GB/T 27664.3-2026 Non-destructive testing instruments—Characterization and verification of ultrasonic test equipment—Part 3:Combined equipment
Related Standards
GB/T 11343-1989
Replaced
GB/T 11343-1989 Ultrasonic angle beam examination by the contact method
GB/T 11344-1989
Replaced
GB/T 11344-1989 Measuring thickness by ultrasonic pulse-echo contact method
GB/T 2611-1992
Replaced
GB/T 2611-1992 General requirements for testing machines
GB/T 15823-1995
Replaced
GB/T 15823-1995 Examination for helium leak detecting
GB/T 12604.9-1996
Replaced