GB/T 40385-2021: Non-destructive testing of steel tubes - Digital radiographic testing of the weld seam of welded steel tubes for the detection of imperfections

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Scope

This document specifies the requirements for X-ray digital testing techniques of the
longitudinal weld seam or helical weld seam of automatic fusion arc-welded steel
tubes for the detection of imperfections, including the radiographic testing of
computed radiography (CR) or digital detector arrays (DDAs). This document also
specifies the acceptance levels and calibration procedures of digital radiographic
testing.
This document also applies to the testing of circular hollow sections.
Note: The digital radiographic testing method is used as an alternative of film-based
radiographic X-ray testing, as shown in ISO 10893-6 [8].

Basic Data

Standard ID	GB/T 40385-2021 (GB/T40385-2021)
Description (Translated English)	Non-destructive testing of steel tubes - Digital radiographic testing of the weld seam of welded steel tubes for the detection of imperfections
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H26
Word Count Estimation	18,185
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration