GB/T 40080-2021: Nondestructive testing of steel tubes - Automated electromagnetic testing of seamless and welded (except submerged arc-welded) steel tubes for the verification of hydraulic leak tightness

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Scope

This document specifies the automated electromagnetic testing of seamless and
welded steel tubes, with the exception of submerged arc-welded (SAW) tubes, for
verification of hydraulic leak-tightness. The eddy current testing method is applicable
to test the steel tubes with outer diameter greater than or equal to 4mm; while the
magnetic flux leakage testing method is applicable to test the steel tube with outer
diameter greater than 10mm.
This document may also be applicable to the testing of hollow sections.
NOTE: Electromagnetic testing using magnetic flux leakage method is not applicable to
austenitic stainless-steel tubes.

Basic Data

Standard ID	GB/T 40080-2021 (GB/T40080-2021)
Description (Translated English)	Nondestructive testing of steel tubes - Automated electromagnetic testing of seamless and welded (except submerged arc-welded) steel tubes for the verification of hydraulic leak tightness
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H26
Word Count Estimation	14,154
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration