GB/T 2970-2016: Method for ultrasonic testing of thicker steel plates

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Scope

This Standard specifies the general requirements, contrast samples, testing
instruments and equipment, test conditions and methods, defect determination
and assessment, quality grading of steel plates, and testing report of the
ultrasonic testing of thicker steel plates.
This Standard is applicable to the ultrasonic testing of the steel plates with the
thicknesses of not less than 6mm and used in pressure elements, bridges,
buildings, shipbuilding, steel structures, pipelines, moulds, etc. The austenitic
stainless steel plates can also make reference to this Standard.

Basic Data

Standard ID	GB/T 2970-2016 (GB/T2970-2016)
Description (Translated English)	Method for ultrasonic testing of thicker steel plates
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H26
Classification of International Standard	77.040.20
Word Count Estimation	15,165
Date of Issue	2016-02-24
Date of Implementation	2016-09-01
Older Standard (superseded by this standard)	GB/T 2970-2004
Quoted Standard	GB/T 8651; JB/T 10061
Regulation (derived from)	National Standard Announcement No
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the general requirements for ultrasonic testing of thick steel plates, comparative samples, testing instruments and equipment, testing conditions and methods, testing and evaluation of defects, quality grading of steel plates, inspection reports and so on. This standard applies to the thickness of not less than 6 mm pressure components, bridges, construction, shipbuilding, steel structure, pipeline, mold and other applications of ultrasonic testing of steel, austenitic stainless steel plate can also refer to this standard.