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Database: 189759 (19 Oct 2025)
TB/T 2658.21-2007 English PDF
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TB/T 2658.21-2007
: Maintenance performance. Part 21: Ultrasonic testing of rail welds
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TB/T 2658.21-2007
English
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Maintenance performance. Part 21: Ultrasonic testing of rail welds
Valid
TB/T 2658.21-2007
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Basic data
Standard ID
TB/T 2658.21-2007 (TB/T2658.21-2007)
Description (Translated English)
Maintenance performance. Part 21: Ultrasonic testing of rail welds
Sector / Industry
Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard
S17
Classification of International Standard
45.120
Word Count Estimation
27,217
Date of Issue
2007-04-23
Date of Implementation
2007-10-01
Regulation (derived from)
Industry standard filing Notice 2010 No. 8 (No. 128 overall)
Issuing agency(ies)
Ministry of Railways of the People's Republic of China
Summary
This standard specifies the rail weld ultrasonic testing process requirements, testing operations, defect treatment, testing reports. This standard applies to new rail welding seam (hereinafter referred to as the new weld) and in-service rail welds (hereinafter referred to as in-service welds) ultrasonic testing operations.