ISO 11960:2020
(Main)Petroleum and natural gas industries — Steel pipes for use as casing or tubing for wells
Petroleum and natural gas industries — Steel pipes for use as casing or tubing for wells
This document specifies the technical delivery conditions for steel pipes (casing, tubing and pup joints), coupling stock, coupling material and accessory material. By agreement between the purchaser and manufacturer, this document can also be applied to other plain-end pipe sizes and wall thicknesses. This document is applicable to the following connections: — short round thread casing (SC); — long round thread casing (LC); — buttress thread casing (BC); — non-upset tubing (NU); — external upset tubing (EU); — integral-joint tubing (IJ). NOTE 1 For further information, see API Spec 5B. For such connections, this document specifies the technical delivery conditions for couplings and thread protection. NOTE 2 Supplementary requirements that can optionally be agreed for enhanced leak resistance connections (LC) are given in A.9 SR22. This document can also be applied to tubulars with connections not covered by ISO or API standards. This document is applicable to products including the following grades of pipe: H40, J55, K55, N80, L80, C90, R95, T95, P110, C110 and Q125. This document is not applicable to threading requirements. NOTE 3 Dimensional requirements on threads and thread gauges, stipulations on gauging practice, gauge specifications, as well as, instruments and methods for inspection of threads are given in API Spec 5B.
Industries du pétrole et du gaz naturel — Tubes d'acier utilisés comme tubes de cuvelage ou tubes de production dans les puits
Le présent document spécifie les conditions de livraison techniques relatives aux tubes en acier (tubes de cuvelage, tubes de production et joints de tube courts), tubes-ébauches pour manchon, matériaux pour manchons et matériaux pour accessoires. Par accord entre l'acheteur et le fabricant, le présent document peut également être appliqué à d'autres tailles de tubes à extrémités lisses et à d'autres épaisseurs de paroi. Le présent document s'applique aux raccordements suivants: — tubes de cuvelage à filetage rond court (SC); — tubes de cuvelage à filetage rond long (LC); — tubes de cuvelage à filetage trapézoïdal buttress (BC); — tubes de production sans refoulement (NU); — tubes de production avec refoulement externe (EU); — tubes de production à filetage intégral (IJ). NOTE 1 Pour plus d'informations, voir l'API Spec 5B. Pour ces raccordements, le présent document spécifie des conditions de livraison techniques pour les manchons et la protection des filetages. NOTE 2 Des exigences supplémentaires, qui peuvent optionnellement faire l'objet d'un accord pour des raccordements à résistance renforcée aux fuites (LC), sont données en A.9 SR22. Le présent document peut également être appliqué à des tubes ayant des raccordements non couverts par les normes ISO ou API. Le présent document est applicable aux produits comprenant les grades de tubes suivants: H40, J55, K55, N80, L80, C90, R95, T95, P110, C110 et Q125. Le présent document ne s'applique pas aux exigences de filetage. NOTE 3 Les exigences dimensionnelles sur les filetages et les calibres de filetage, les dispositions sur la pratique du calibrage, les spécifications de calibrage, de même que les instruments et les modes opératoires de contrôle des filets sont donnés dans l'API Spec 5B.
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INTERNATIONAL ISO
STANDARD 11960
Sixth edition
2020-03
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 2020
© ISO 2020
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: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
Contents Page
Foreword .x
Introduction .xi
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, symbols and abbreviated terms . 3
3.1 Terms and definitions . 3
3.2 Symbols and abbreviated terms. 7
4 Conformance . 8
4.1 Dual referencing of normative references . 8
4.2 Units of measurement . . 9
5 Information to be supplied by the purchaser. 9
5.1 Grades C90, T95 and C110 . 9
5.2 Casing . 9
5.3 Tubing .11
5.4 Coupling stock, coupling material and accessory material .13
6 Process of manufacture .14
6.1 General .14
6.2 Heat treatment .14
6.2.1 General.14
6.2.2 Grades J55, K55, N80 all types and R95 .15
6.2.3 Grades L80 all types, C90, T95 and C110 .15
6.3 Straightening .15
6.3.1 Grades H40, J55, K55, N80 all types .15
6.3.2 Grades R95 and P110 .15
6.3.3 Grade L80 .15
6.3.4 Grades C90, T95 and C110 .16
6.3.5 Grade Q125 .16
6.4 Traceability .16
6.4.1 General.16
6.4.2 Serialization of Grades C90, T95, C110 and Q125 .16
6.5 Processes requiring validation .16
7 Material requirements .17
7.1 Chemical composition .17
7.2 Tensile properties .17
7.2.1 General.17
7.2.2 Elongation .17
7.2.3 Yield strength . . .17
7.2.4 Statistical tensile testing — Grades C90, T95 and C110 .18
7.3 Charpy V-notch test — General requirements .18
7.3.1 Evaluation of test results .18
7.3.2 Critical thickness.18
7.3.3 Specimen size and orientation .18
7.3.4 Hierarchy of test specimens .18
7.3.5 Alternative size impact test specimens .19
7.3.6 Sub-size test specimens .19
7.3.7 Test temperature .19
7.3.8 Statistical impact testing .19
7.3.9 Reference information .19
7.4 Charpy V-notch — Absorbed energy requirements for coupling stock, coupling
material, coupling blanks and couplings .19
7.4.1 General.19
7.4.2 Grade H40 .19
7.4.3 Grades J55 and K55 for API threads . .19
7.4.4 Grades N80 all Types, R95, L80 all Types, C90, T95, P110 and Q125 for
API threads .20
7.4.5 Special end-finish .20
7.5 Charpy V-notch — Absorbed energy requirements for pipe . .20
7.5.1 Grades H40, J55 and K55 .20
7.5.2 Grades N80 all Types, R95, L80, C90, T95 and P110 .20
7.5.3 Grades C110 and Q125 .21
7.5.4 Test specimen .21
7.5.5 Testing conditions .22
7.6 Charpy V-notch — Absorbed energy requirements for accessory material .22
7.6.1 Accessory material — General .22
7.6.2 Accessory material for accessories with internal API threads except
integral tubing connections .22
7.6.3 Accessory material for accessories with internal special end-finish
tapered interference-type threads .22
7.6.4 Accessory material for accessories with external threads .22
7.6.5 Accessory material for accessories with either integral tubing connections
or internal special end-finish connections that do not have thread interference 22
7.6.6 Critical thickness for accessory material and special end-finish material .22
7.7 Maximum hardness .23
7.7.1 Grades L80 all types, C90, T95 and C110 .23
7.7.2 Grade Q125 — All products .23
7.8 Hardness variation — Grades C90, T95, C110 and Q125 .23
7.9 Process control — Grades C90, T95, C110 and Q125 . .23
7.10 Hardenability — Minimum percentage martensite for quenched and tempered
products .24
7.10.1 Grade L80 Type 1 .24
7.10.2 Grades C90 and T95 .24
7.10.3 Grade C110.
...
INTERNATIONAL ISO
STANDARD 11960
Sixth edition
2020-03
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 2020
© ISO 2020
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: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
Contents Page
Foreword .x
Introduction .xi
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, symbols and abbreviated terms . 3
3.1 Terms and definitions . 3
3.2 Symbols and abbreviated terms. 7
4 Conformance . 8
4.1 Dual referencing of normative references . 8
4.2 Units of measurement . . 9
5 Information to be supplied by the purchaser. 9
5.1 Grades C90, T95 and C110 . 9
5.2 Casing . 9
5.3 Tubing .11
5.4 Coupling stock, coupling material and accessory material .13
6 Process of manufacture .14
6.1 General .14
6.2 Heat treatment .14
6.2.1 General.14
6.2.2 Grades J55, K55, N80 all types and R95 .15
6.2.3 Grades L80 all types, C90, T95 and C110 .15
6.3 Straightening .15
6.3.1 Grades H40, J55, K55, N80 all types .15
6.3.2 Grades R95 and P110 .15
6.3.3 Grade L80 .15
6.3.4 Grades C90, T95 and C110 .16
6.3.5 Grade Q125 .16
6.4 Traceability .16
6.4.1 General.16
6.4.2 Serialization of Grades C90, T95, C110 and Q125 .16
6.5 Processes requiring validation .16
7 Material requirements .17
7.1 Chemical composition .17
7.2 Tensile properties .17
7.2.1 General.17
7.2.2 Elongation .17
7.2.3 Yield strength . . .17
7.2.4 Statistical tensile testing — Grades C90, T95 and C110 .18
7.3 Charpy V-notch test — General requirements .18
7.3.1 Evaluation of test results .18
7.3.2 Critical thickness.18
7.3.3 Specimen size and orientation .18
7.3.4 Hierarchy of test specimens .18
7.3.5 Alternative size impact test specimens .19
7.3.6 Sub-size test specimens .19
7.3.7 Test temperature .19
7.3.8 Statistical impact testing .19
7.3.9 Reference information .19
7.4 Charpy V-notch — Absorbed energy requirements for coupling stock, coupling
material, coupling blanks and couplings .19
7.4.1 General.19
7.4.2 Grade H40 .19
7.4.3 Grades J55 and K55 for API threads . .19
7.4.4 Grades N80 all Types, R95, L80 all Types, C90, T95, P110 and Q125 for
API threads .20
7.4.5 Special end-finish .20
7.5 Charpy V-notch — Absorbed energy requirements for pipe . .20
7.5.1 Grades H40, J55 and K55 .20
7.5.2 Grades N80 all Types, R95, L80, C90, T95 and P110 .20
7.5.3 Grades C110 and Q125 .21
7.5.4 Test specimen .21
7.5.5 Testing conditions .22
7.6 Charpy V-notch — Absorbed energy requirements for accessory material .22
7.6.1 Accessory material — General .22
7.6.2 Accessory material for accessories with internal API threads except
integral tubing connections .22
7.6.3 Accessory material for accessories with internal special end-finish
tapered interference-type threads .22
7.6.4 Accessory material for accessories with external threads .22
7.6.5 Accessory material for accessories with either integral tubing connections
or internal special end-finish connections that do not have thread interference 22
7.6.6 Critical thickness for accessory material and special end-finish material .22
7.7 Maximum hardness .23
7.7.1 Grades L80 all types, C90, T95 and C110 .23
7.7.2 Grade Q125 — All products .23
7.8 Hardness variation — Grades C90, T95, C110 and Q125 .23
7.9 Process control — Grades C90, T95, C110 and Q125 . .23
7.10 Hardenability — Minimum percentage martensite for quenched and tempered
products .24
7.10.1 Grade L80 Type 1 .24
7.10.2 Grades C90 and T95 .24
7.10.3 Grade C110.
...
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