EN ISO 11960:2014

SLOVENSKI STANDARD
01-april-2014
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SIST EN ISO 11960:2011
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Petroleum and natural gas industries - Steel pipes for use as casing or tubing for wells
(ISO 11960:2014)
Erdöl- und Erdgasindustrie - Stahlrohre zur Verwendung als Futter- oder Steigrohre für
Bohrungen (ISO 11960:2014)
Industries du pétrole et du gaz naturel - Tubes d'acier utilisés comme cuvelage ou tubes
de production dans les puits (ISO 11960:2014)
Ta slovenski standard je istoveten z: EN ISO 11960:2014
ICS:
75.180.10 Oprema za raziskovanje in Exploratory and extraction
odkopavanje equipment
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.

EUROPEAN STANDARD
EN ISO 11960
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2014
ICS 75.180.10; 77.140.75 Supersedes EN ISO 11960:2011
English Version
Petroleum and natural gas industries - Steel pipes for use as
casing or tubing for wells (ISO 11960:2014)
Industries du pétrole et du gaz naturel - Tubes d'acier Erdöl- und Erdgasindustrie - Stahlrohre zur Verwendung als
utilisés comme cuvelage ou tubes de production dans les Futter- oder Steigrohre für Bohrungen (ISO 11960:2014)
puits (ISO 11960:2014)
This European Standard was approved by CEN on 2 January 2014.

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, 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: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 11960:2014 E
worldwide for CEN national Members.

Contents Page
Foreword .3

Foreword
This document (EN ISO 11960:2014) has been prepared by Technical Committee ISO/TC 67 “Materials,
equipment and offshore structures for petroleum, petrochemical and natural gas industries” in collaboration
with Technical Committee CEN/TC 12 “Materials, equipment and offshore structures for petroleum,
petrochemical and natural gas industries” the secretariat of which is held by AFNOR.
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 July 2014, and conflicting national standards shall be withdrawn at the
latest by July 2014.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 11960:2011.
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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
Endorsement notice
The text of ISO 11960:2014 has been approved by CEN as EN ISO 11960:2014 without any modification.

INTERNATIONAL ISO
STANDARD 11960
Fifth edition
2014-01-15
Petroleum and natural gas industries —
Steel pipes for use as casing or tubing for
wells
Industries du pétrole et du gaz naturel — Tubes d'acier utilisés comme
cuvelage ou tubes de production dans les puits

Reference number
ISO 11960:2014(E)
©
ISO 2014
ISO 11960:2014(E)
©  ISO 2014
All rights reserved. Unless otherwise specified, 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
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Published in Switzerland
ii © ISO 2014 – All rights reserved

ISO 11960:2014(E)
Contents Page
Foreword . vi
Introduction . vii
1  Scope . 1
2  Conformance . 2
2.1  Dual referencing of normative references . 2
2.2  Units of measurement . 2
3  Normative references . 2
4  Terms, definitions, symbols and abbreviated terms . 5
4.1  Terms and definitions . 5
4.2  Symbols and abbreviated terms . 9
5  Information to be supplied by the purchaser . 10
5.1  Grades C90, T95 and C110 . 10
5.2  Casing . 10
5.3  Tubing . 12
5.4  Coupling stock, coupling material and accessory material . 13
6  Process of manufacture . 14
6.1  General . 14
6.2  Heat treatment . 15
6.3  Straightening . 15
6.4  Traceability . 16
6.5  Processes requiring validation . 17
7  Material requirements . 17
7.1  Chemical composition . 17
7.2  Tensile properties . 17
7.3  Charpy V-notch test — General requirements . 18
7.4  Charpy V-notch — Absorbed energy requirements for coupling stock, coupling material,
coupling blanks and couplings . 20
7.5  Charpy V-notch — Absorbed energy requirements for pipe . 21
7.6  Charpy V-notch — Absorbed energy requirements for accessory material . 23
7.7  Maximum hardness . 23
7.8  Hardness variation — Grades C90, T95, C110 and Q125 . 24
7.9  Process control — Grades C90, T95, C110 and Q125 . 24
7.10  Hardenability — Minimum percentage martensite for quenched and tempered products . 24
7.11  Grain size — Grades C90, T95 and C110 . 25
7.12  Surface condition — Grades L80 9Cr and L80 13Cr . 25
7.13  Flattening — Electric-welded pipe . 25
7.14  Sulfide stress cracking test — Grades C90, T95 and C110 . 25
8  Dimensions, masses, tolerances, product ends and defects . 28
8.1  Labels and sizes . 28
8.2  Dimensions and masses. 28
8.3  Diameter . 29
8.4  Wall thickness . 29
8.5  Mass . 30
8.6  Length . 30
8.7  Casing jointers . 30
8.8  Height and trim of electric-weld flash . 30
8.9  Straightness . 31
8.10  Drift requirements . 31
ISO 11960:2014(E)
8.11  Tolerances on dimensions and masses .32
8.12  Product ends .33
8.13  Defects .34
8.14  Coupling make-up and thread protection .35
9  Couplings .36
9.1  General requirements .36
9.2  Alternative grades or heat treatments .36
9.3  Mechanical properties .36
9.4  Dimensions and tolerances .37
9.5  Regular couplings.
...