SIST EN ISO 10893-9:2011/A1:2020 PDF

Name: SIST EN ISO 10893-9:2011/A1:2020 — Non-destructive testing of steel tubes - Part 9: Automated ultrasonic testing for the detection of laminar imperfections in strip/plate used for the manufacture of welded steel tubes - Amendment 1: Change acceptance criteria (ISO 10893-9:2011/Amd 1:2020)
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Non-destructive testing of steel tubes - Part 9: Automated ultrasonic testing for the detection of laminar imperfections in strip/plate used for the manufacture of welded steel tubes - Amendment 1: Change acceptance criteria (ISO 10893-9:2011/Amd 1:2020)

Название (английский):

SIST EN ISO 10893-9:2011/A1:2020

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 7
Дата публикации:: 14 августа 2020 г.
Издание:: ISO 10893-9:2011/Amd 1:2020
ICS:: 23.040.10

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Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 10893-9:2011/A1:2020 is a CEN-endorsed amendment to ISO 10893-9:2011 covering automated ultrasonic testing (AUT) for the detection of laminar imperfections in strip and plate used to manufacture welded steel tubes. The amendment (approved May 2020) changes the acceptance/retest criterion in clause 8.2, streamlining the procedure for declaring strip/plate as passed or suspect after alarm signals are detected.

Key topics and requirements

Scope: Non-destructive testing (NDT) of strip/plate intended for welded steel tube production, focusing on laminar defects (dédoublures/laminations).

Testing method: Automated ultrasonic testing (AUT) as the specified NDT technique for detecting through-thickness and planar discontinuities indicative of lamination.

Acceptance criteria (amendment): The key change replaces the previous requirement of two consecutive retests with a single retest. Specifically:

If, after one retest, all signals are lower than the trigger/alarm level, the strip/plate is deemed to have passed.
If signals remain at or above trigger/alarm level after that retest, the strip/plate is designated as suspect.

Trigger/alarm levels: The standard references trigger or alarm thresholds used to decide when retesting or further evaluation is required (users must consult the main Part 9 text for numeric/ procedural details).

Conformance and implementation: This amendment is to be adopted as a national standard by CEN members and implemented by January 2021.

Applications and who uses it

Steel strip/plate producers applying quality control to material intended for welded tube manufacture.

Tube mills and welders ensuring feedstock is free from laminar imperfections that could compromise weld integrity or pipe performance.

NDT service providers and inspection labs using automated ultrasonic systems for high-volume inspection.

Quality managers and compliance officers who need to apply standardised acceptance/retest rules for incoming material.

Standards bodies and auditors referencing harmonised European/ISO criteria for conformity assessment.

Practical value

Faster decision-making: Reducing retests from two to one accelerates inspection throughput and reduces handling time while maintaining a consistent alarm-based evaluation.

Clear pass/suspect rule: Simplifies post-alarm workflow-either pass after one successful retest or flag as suspect for further evaluation.

Harmonisation: Aligns national practices across CEN members, facilitating trade and consistent NDT acceptance.

Related standards

ISO 10893 series (other parts that cover NDT of steel tubes)

National adoptions: EN ISO 10893-9:2011/A1:2020 (CEN adoption across EU/EEA countries)

Keywords: EN ISO 10893-9, ISO 10893-9:2011/Amd 1:2020, automated ultrasonic testing, AUT, laminar imperfections, laminations, non-destructive testing, NDT, welded steel tubes, acceptance criteria, retest.

SIST EN ISO 10893-9:2011/A1:2020 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and who uses it

Practical value

Related standards

Технические детали

ISO 10893-9:2011

Non-destructive testing of steel tubes — Part 9: Automated ultrasonic testing for the detection of laminar im…

BS EN ISO 10893-7:2019

Non-destructive testing of steel tubes. Digital radiographic testing of the weld seam of welded steel tubes f…

ISO 10893-9:2011/Amd 1:2020

Non-destructive testing of steel tubes — Part 9: Automated ultrasonic testing for the detection of laminar im…