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

Publish Date: 2023-08-06 Implement Date: 2023-08-06 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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

Word Count: 52 Thousand words Pages: 30 pages

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

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