GB/T 42662-2023: Non-destructive testing of steel tubes - Automated ultrasonic testing for the detection of laminar imperfections in strip/plate used for the manufacture of welded steel tubes

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Scope

This document specifies the requirements for automatic ultrasonic detection of laminar
imperfection in steel strips/plates used for the manufacture of welded steel tubes before
or during the tube making process.
NOTE 1: For welded steel tubes, at the option of the manufacturer, automated ultrasonic testing of
the steel tube for laminar imperfection according to ISO 10893-8 after welding is an alternative
method.
NOTE 2: Upon agreement between the manufacturer and the purchaser, this document is also
applicable to the inspection of steel strips/plates after welding of submerged arc welded steel tubes.
This document also applies to the inspection of steel strips/plates used in the
manufacture of circular hollow steel profiles.

Basic Data

Standard ID	GB/T 42662-2023 (GB/T42662-2023)
Description (Translated English)	Non-destructive testing of steel tubes - Automated ultrasonic testing for the detection of laminar imperfections in strip/plate used for the manufacture of welded steel tubes
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H26
Classification of International Standard	77.040.20
Word Count Estimation	14,151
Date of Issue	2023-08-06
Date of Implementation	2024-03-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration