SIST EN ISO 10893-6:2019

Non-destructive testing of steel tubes - Part 6: Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections (ISO 10893-6:2019)

This document specifies requirements for film-based radiographic X-ray testing of the longitudinal or helical weld seams of automated fusion arc-welded steel tubes for the detection of imperfections.
It can also be applicable to the testing of circular hollow sections.
NOTE       As an alternative, see ISO 10893-7 for digital radiographic testing.

Zerstörungsfreie Prüfung von Stahlrohren - Teil 6: Durchstrahlungsprüfung der Schweißnaht geschweißter Stahlrohre zum Nachweis von Unvollkommenheiten (ISO 10893-6:2019)

Essais non destructifs des tubes en acier - Partie 6: Contrôle radiographique du cordon de soudure des tubes en acier soudés pour la détection des imperfections (ISO 10893-6:2019)

Ce document spécifie les prescriptions relatives au contrôle radiographique sur film par rayons X des cordons de soudure longitudinaux ou hélicoïdaux des tubes en acier soudés en automatique par fusion à l'arc pour la détection des imperfections.
Ce document s'applique également au contrôle des profils creux circulaires.
NOTE       De manière alternative, le contrôle radiographique numérique est spécifié dans l'ISO 10893‑7.

Neporušitveno preskušanje jeklenih cevi - 6. del: Ugotavljanje napak varov pri jeklenih ceveh, obločno varjenih pod praškom, z radiografsko preiskavo (ISO 10893-6:2019)

Ta dokument določa zahteve za ugotavljanje napak vzdolžnih ali vijačnih varov pri avtomatsko talilno obločno varjenih jeklenih ceveh z radiografsko rentgensko preiskavo na podlagi filma.
Lahko se uporablja tudi za preskušanje krožnih votlih profilov.
OPOMBA: Za alternativne metode glej standard ISO 10893-7 za digitalno radiografsko preiskavo.

General Information

• Status: Published
• Public Enquiry End Date: 29-Nov-2017
• Publication Date: 27-Mar-2019
• ICS: 23.040.10 - Iron and steel pipes
• ICS: 77.040.20 - Non-destructive testing of metals
• ICS: 77.140.75 - Steel pipes and tubes for specific use
• Technical Committee: IFEK - Ferrous metals
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 21-Mar-2019
• Due Date: 26-May-2019
• Completion Date: 28-Mar-2019
• Ref Project: EN ISO 10893-6:2019 - Non-destructive testing of steel tubes - Part 6: Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections (ISO 10893-6:2019)

Relations

• Replaces: SIST EN ISO 10893-6:2011 - Non-destructive testing of steel tubes - Part 6: Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections (ISO 10893-6:2011)
• Effective Date: 20-Mar-2019
• Revised: SIST EN ISO 10893-6:2011 - Non-destructive testing of steel tubes - Part 6: Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections (ISO 10893-6:2011)
• Effective Date: 30-Sep-2015

Overview

EN ISO 10893-6:2019 specifies requirements for film-based radiographic X‑ray testing of the longitudinal or helical weld seam of automated fusion arc‑welded steel tubes for detection of imperfections. It is the CEN-endorsed version of ISO 10893-6:2019 and supersedes the 2011 edition. The standard also notes applicability to circular hollow sections and points to ISO 10893-7 as the alternative for digital radiographic testing.

Key topics and technical requirements

• Scope: Film-based radiographic inspection of weld seams on welded steel tubes (longitudinal/helical); applicable to circular hollow sections.
• Test method: X‑ray film technique is required for this part; digital methods are covered in ISO 10893-7.
• Image quality classes: Two image quality levels (Class A - standard sensitivity; Class B - enhanced sensitivity) in accordance with ISO 17636-1.
• Personnel competence: Testing must be performed by certified or qualified NDT personnel (references include ISO 9712, ISO 11484).
• Film processing & image quality: Requirements for film handling, processing and image quality verification reference ISO 11699-1, ISO 19232-1/2, and include film‑side positioning and processing controls.
• Radiograph coverage: Adjacent films must overlap by at least 10 mm to ensure continuous weld coverage; overlaps shall be proved with mechanical marks.
• Identification & location: Lead markers and permanent or local markings are required to identify weld position and radiograph sections.
• Safety: Explicit warning on X‑ray/gamma‑ray hazards; compliance with applicable radiation safety regulations is mandatory.
• Reporting and evaluation: Clauses address classification of indications, acceptance limits, test reports and annexed examples of imperfection distributions.

Practical applications

• Quality control of welded steel tube production (manufacturers, mill inspection).
• Incoming inspection or third‑party verification for tube suppliers and purchasers.
• Inspection of circular hollow sections where film radiography is preferred.
• Use cases in industries requiring reliable weld seam integrity data: structural, mechanical, pressure components and pipeline-related tubing (where film radiography is specified).

Who should use this standard

• Tube manufacturers and fabricators producing longitudinally or helically welded steel tubes.
• NDT managers, radiographic technicians and Level 3 supervisors responsible for radiographic procedures.
• Third‑party inspection bodies, purchaser quality engineers and compliance teams specifying acceptance criteria.

Related standards

• ISO 17636-1 (radiographic testing of welds - film techniques)
• ISO 10893-7 (digital radiographic testing of weld seam)
• ISO 5576, ISO 5579, ISO 5580, ISO 9712, ISO 11484, ISO 11699-1, ISO 19232-1/2

Keywords: EN ISO 10893-6:2019, radiographic testing, weld seam, steel tubes, film-based radiography, non-destructive testing (NDT), image quality.

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2019
1DGRPHãþD
SIST EN ISO 10893-6:2011
1HSRUXãLWYHQRSUHVNXãDQMHMHNOHQLKFHYLGHO8JRWDYOMDQMHQDSDNYDURYSUL
MHNOHQLKFHYHKREORþQRYDUMHQLKSRGSUDãNRP]UDGLRJUDIVNRSUHLVNDYR,62

Non-destructive testing of steel tubes - Part 6: Radiographic testing of the weld seam of
welded steel tubes for the detection of imperfections (ISO 10893-6:2019)
Zerstörungsfreie Prüfung von Stahlrohren - Teil 6: Durchstrahlungsprüfung der
Schweißnaht geschweißter Stahlrohre zum Nachweis von Unvollkommenheiten (ISO
10893-6:2019)
Essais non destructifs des tubes en acier - Partie 6: Contrôle radiographique du cordon
de soudure des tubes en acier soudés pour la détection des imperfections (ISO 10893-
6:2019)
Ta slovenski standard je istoveten z: EN ISO 10893-6:2019
ICS:
23.040.10 Železne in jeklene cevi Iron and steel pipes
77.040.20 Neporušitveno preskušanje Non-destructive testing of
kovin metals
77.140.75 Jeklene cevi in cevni profili Steel pipes and tubes for
za posebne namene specific use
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 10893-6
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2019
EUROPÄISCHE NORM
ICS 23.040.10; 77.040.20; 77.140.75 Supersedes EN ISO 10893-6:2011
English Version
Non-destructive testing of steel tubes - Part 6:
Radiographic testing of the weld seam of welded steel
tubes for the detection of imperfections (ISO 10893-
6:2019)
Essais non destructifs des tubes en acier - Partie 6: Zerstörungsfreie Prüfung von Stahlrohren - Teil 6:
Contrôle radiographique du cordon de soudure des Durchstrahlungsprüfung der Schweißnaht
tubes en acier soudés pour la détection des geschweißter Stahlrohre zum Nachweis von
imperfections (ISO 10893-6:2019) Unvollkommenheiten (ISO 10893-6:2019)
This European Standard was approved by CEN on 29 December 2018.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 10893-6:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 10893-6:2019) has been prepared by Technical Committee ISO/TC 17 "Steel" in
collaboration with Technical Committee CEN/TC 459/SC 10 “Steel tubes, and iron and steel fittings” the
secretariat of which is held by UNI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by September 2019, and conflicting national standards
shall be withdrawn at the latest by September 2019.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 10893-6:2011.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 10893-6:2019 has been approved by CEN as EN ISO 10893-6:2019 without any
modification.
INTERNATIONAL ISO
STANDARD 10893-6
Second edition
2019-02
Non-destructive testing of steel
tubes —
Part 6:
Radiographic testing of the weld seam
of welded steel tubes for the detection
of imperfections
Essais non destructifs des tubes en acier —
Partie 6: Contrôle radiographique du cordon de soudure des tubes en
acier soudés pour la détection des imperfections
Reference number
ISO 10893-6:2019(E)
©
ISO 2019
ISO 10893-6:2019(E)
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

ISO 10893-6:2019(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General requirements . 2
5 Test method . 3
6 Image quality . 6
7 Processing of film.10
8 Viewing conditions for radiographs .11
9 Classification of indications .11
10 Acceptance limits .11
11 Acceptance .12
12 Test report .12
Annex A (informative) Examples of distribution of imperfections .13
Bibliography .15
ISO 10893-6:2019(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .iso
.org/iso/foreword .html.
This document was prepared by Technical Committee ISO/TC 17, Steel, Subcommittee SC 19, Technical
delivery conditions for steel tubes for pressure purposes.
This second edition cancels and replaces the first edition (ISO 10893-6:2011), which has been
technically revised. The main changes compared with the previous edition are as follows:
a) evidences about film overlap have been included in 4.7;
b) a safety warning for X and gamma rays has been added at the end of Clause 4;
c) Figure 2 has been aligned with ISO 17636-1 up to 1 000 kV;
d) film side position and location have been clarified in Clause 6;
e) requirements for film processing have been specified in Clause 7;
f) a reference to ISO 5580 has been added in Clause 8;
g) the figures in Annex A have been revised.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/members .html.
iv © ISO 2019 – All rights reserved

INTERNATIONAL STANDARD ISO 10893-6:2019(E)
Non-destructive testing of steel tubes —
Part 6:
Radiographic testing of the weld seam of welded steel
tubes for the detection of imperfections
1 Scope
This document specifies requirements for film-based radiographic X-ray testing of the longitudinal or
helical weld seams of automated fusion arc-welded steel tubes for the detection of imperfections.
It can also be applicable to the testing of circular hollow sections.
NOTE As an alternative, see ISO 10893-7 for digital radiographic testing.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 5576, Non-destructive testing — Industrial X-ray and gamma-ray radiology — Vocabulary
ISO 5579, Non-destructive testing — Radiographic testing of metallic materials using film and X- or gamma
rays — Basic rules
ISO 5580, Non-destructive testing — Industrial radiographic illuminators — Minimum requirements
ISO 9712, Non-destructive testing — Qualification and certification of NDT personnel
ISO 10893-7, Non-destructive testing of steel tubes — Part 7: Digital radiographic testing of the weld seam
of welded steel tubes for the detection of imperfections
ISO 11484, Steel products — Employer’s qualification system for non-destructive testing (NDT) personnel
ISO 11699-1, Non-destructive testing — Industrial radiographic film — Part 1: Classification of film
systems for industrial radiography
ISO 17636-1, Non-destructive testing of welds — Radiographic testing — Part 1: X- and gamma-ray
techniques with film
ISO 19232-1, Non-destructive testing — Image quality of radiographs — Part 1: Determination of the
image quality value using wire-type image quality indicators
ISO 19232-2, Non-destructive testing — Image quality of radiographs — Part 2: Determination of the
image quality value using step/hole-type image quality indicators
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 5576, ISO 11484 and the
following apply.
ISO 10893-6:2019(E)
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https: //www .iso .org/obp
— IEC Electropedia: available at http: //www .electropedia .org/
3.1
tube
hollow long product open at both ends, of any cross-sectional shape
3.2
welded tube
tube (3.1) made by forming a hollow profile from a flat product and welding adjacent edges together,
and which after welding can be further processed, either hot or cold, into its final dimensions
3.3
manufacturer
organization that manufactures products in accordance with the relevant standard(s) and declares the
conformity of the delivered products with all applicable provisions of the relevant standard(s)
3.4
agreement
contractual arrangement between the manufacturer (3.3) and the purchaser at the time of enquiry
and order
4 General requirements
4.1 Unless otherwise specified by the product standard or agreed on by the manufacturer and
the purchaser, a radiographic inspection shall be carried out on tubes after completion of all the
primary production process operations (rolling, heat treating, cold and hot working, sizing, primary
straightening, etc.).
4.2 This inspection shall be carried out by trained operators who are certified (e.g. ISO 9712) or
qualified (e.g. ISO 11484 or ASNT SNT-TC-1A), and supervised by competent personnel nominated by
the manufacturer. In the case of third-party inspection, this shall be agreed on between the manufacturer
and the purchaser.
The operating authorization issued by the employer shall be according to a written procedure. Non-
destructive testing (NDT) operations shall be authorized by a level 3 NDT individual approved by the
employer.
NOTE The definitions of level 1, 2 and 3 can be found in the appropriate International Standards, e.g.
ISO 9712 and ISO 11484.
4.3 The tubes under test shall be sufficiently straight and free of foreign matter as to ensure the validity
of the test. The surfaces of the weld seam and adjacent parent metal shall be sufficiently free of such
foreign matter and surface irregularities, which can interfere with the interpretation of the radiographs.
Surface grinding is permitted in order to achieve an acceptable surface finish.
4.4 In cases where the weld reinforcement is removed, markers, usually in the form of lead arrows,
shall be placed on each side of the weld such that its position can be identified on the radiograph.
4.5 Identification symbols, usually in the form of lead letters, shall be placed on eac
...