YB/T 951-2014: Method of the ultrasonic testing for rails

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Scope

This Standard specifies the terms and definitions, flaw detection principles, flaw
detection methods, personnel requirements, flaw detection requirements, test
pieces and sample rails, probes, equipment and apparatuses, signal-to-noise
ratio, stability, operation, result determination and marking of ultrasonic testing
for rails.
This Standard is applicable to ultrasonic flaw detection of 37 cm/m ~ 75 kg/m
railway symmetrical section rails and asymmetric section rails. Ultrasonic flaw
detection of other rails can also be carried out with reference.

Basic Data

Standard ID	YB/T 951-2014 (YB/T951-2014)
Description (Translated English)	Method of the ultrasonic testing for rails
Sector / Industry	Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard	H26
Classification of International Standard	77.040.20
Word Count Estimation	20,242
Date of Issue	5/6/2014
Date of Implementation	10/1/2014
Older Standard (superseded by this standard)	YB/T 951-2003
Quoted Standard	GB 2585; GB/T 9445; GB/T 11259; GB/T 12604.1; GB/T 23905; JB/T 10061; JB/T 10062
Regulation (derived from)	Ministry of Industry and Information Technology - Announcement 2014 No 32.
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This Standard specifies the ultrasonic rail flaw detection of terms and definitions, testing theory, testing methods, personnel requirements, testing requirements, test blocks and rail-like probe, equipment, signal to noise ratio, stability operations, th