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BRITISH STANDARD Flanges and their joints — Bolting — Part 2: Classification of bolt materials for steel flanges, PN designated The European Standard EN 1515-2:2001 has the status of a British Standard ICS 21.060.01; 23.040.60 12&23<,1*:,7+287%6,3(50,66,21(;&(37$63(50,77('%<&23<5,*+7/$: BS EN 1515-2:2001 BS EN 1515-2:2001 National foreword This British Standard is the official English language version of EN 1515-2:2001. The UK participation in its preparation was entrusted to Technical Committee PSE/15, Flanges, which has the responsibility to: — aid enquirers to understand the text; — present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; — monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 23 July 2002 Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 19 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. © BSI 23 July 2002 ISBN 0 580 40143 X Date Comments EUROPEAN STANDARD EN 1515-2 NORME EUROPÉENNE EUROPÄISCHE NORM December 2001 ICS 21.060.01; 23.040.60 English version Flanges and their joints - Bolting - Part 2: Classification of bolt materials for steel flanges, PN designated Brides et leurs assemblages - Boulonnerie - Partie 2: Classification de matériaux de boulonnerie pour brides en acier, désignées PN Flansche und ihre Verbindungen - Schrauben und Muttern Teil 2: Klassifizierung von Schraubenwerkstoffen für Stahlflansche, nach PN bezeichnet This European Standard was approved by CEN on 20 October 2001. 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 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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: rue de Stassart, 36 © 2001 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. B-1050 Brussels Ref. No. EN 1515-2:2001 E EN 1515-2:2001 (E) Contents page Foreword.................................................................................................................................................. 2 1 Scope .............................................................................................................. 2 2 Normative references .............................................................................................................. 2 3 Combination of materials .............................................................................................................. 3 4 Classification of bolt materials....................................................................................................... 3 _ Table 1 Classification of bolt materials.................................................................................................. 4 Annex A (informative) Basic information ............................................................................................ 17 Annex ZA (informative) Relationship with EU Directive(s) ................................................................. 19 Foreword This European Standard has been prepared by Technical Committee CEN/TC 74 "Flanges and their joints", the secretariat of which is held by DIN. 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 June 2002, and conflicting national standards shall be withdrawn at the latest by June 2002. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document. EN 1515 consists of two Parts: Part 1: Selection of bolting; Part 2: Classification of bolt materials for steel flanges, PN designated. The annexes A and ZA are informative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 1 Scope This European Standard covers the classification of bolt materials combination with the flange material groups of steel flanges prEN 1092-1 (PN-designated). Bolt materials are listed in EN 1515-1, flange material groups are listed in prEN 1092-1. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text’ and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard, only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). prEN 1092-1, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated – Part 1: Steel flanges. 2 EN 1515-2:2001 (E) EN 1515-1, Flanges and their joints - Bolting - Part 1: Selection of bolting. EN 10269, Steels and nickel alloys for fasteners for use at elevated and/or low temperature properties. EN ISO 898-1, Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs (ISO 898-1:1999). EN ISO 3506-1, Mechanical properties of corrosion-resistant stainless steel fasteners – Part 1: Bolts, screws and studs (ISO 3506-1:1997). 3 Combination of materials Bolt materials can be combined with flange material groups as given in Table 1. This table is valid for all flanges for which pressure temperature (p/T) ratings are given in prEN 1092-1. For flanges which have no p/T ratings (e.g. DN 700 and above), the tables may be used as a guide. All bolt materials can be used in the range of the p/T ratings given for the flanges. Restrictions due to the classification shall be observed (see clause 4). WARNING Bold materials 4.6 and 6.8 are not intended for the use in the scope of the Pressure Equipment Directive. 4 Classification of bolt materials The classification of bolt materials as given in Table 1 is based on the comparison of the strengths of the flange material and the bolt material. The strength ratio r of the flange/bolt combination chosen is compared with the strength ratio of the flange bolt combination used for the standard flange calculation (see annex A). For each flange material group the classification is done in three strength levels:  Low strength: The strength ratio of the chosen flange/bolt combination is less than that used in the standard flange calculation. These bolts may be used for less severe service, e.g. for water service or in case of oversized flanged joints. For definition of these service conditions, special experience is necessary otherwise a recalculation of the flanged joint shall be done.  Normal strength: The strength ratio of the chosen flange/bolt combination is similar (within defined limits) to that used in the standard flange calculation. These bolts may be used for all service in the range of the P/T-ratings unless there are other restrictions to the contrary.  High strength: The strength ratio of the chosen flange/bolt combination is much more higher than that used in the standard flange calculation. These bolts may be used in the same range like normal strength level bolting. During assembly however, care should be taken not to overstress the flanges (e. g. by means of torque control). 3 EN 1515-2:2001 (E) Table 1 Flange materials prEN 1092-1 Group Type 1E0 CS _ Classification of bolt materials Bolt materials EN 1515-1 Material/property class 4.6 A4-50, A2-50 X5CrNiMo17-12-2 AT X5CrNi18-10 5.6 6.8 25CrMo4 21CrMoV5-7 X7CrNiMoBNb16-16 A4-70, A2-70 3E0 4 CS high temp. X5CrNiMo17-12-2 AT+C X5CrNi18-10 AT+C 8.8 42CrMo4 30CrNiMo8 42CrMo5-6 40CrMoV4-6 20CrMoVTiB4-10 X6NiCrTiMoVB 25-15-2 4.6 A4-50,A2-50 Standard EN ISO 898-1 EN ISO 3506-1 EN 10269 EN 10269 EN ISO 898-1 EN ISO 898-1 EN 10269 EN 10269 EN 10269 EN ISO 3506-1 EN 10269 EN 10269 EN ISO 898-1 EN 10269 EN 10269 EN 10269 EN 10269 EN 10269 EN 10269 EN ISO 898-1 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 5.6 EN ISO 898-1 6.8 EN ISO 898-1 25CrMo4 EN 10269 21CrMoV5-7 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 EN 10269 AT+C X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 898-1 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 20CrMoVTiB4-10 EN 10269 continued Classification Dia. All <=39 Line No. 01 16, 18 <=160 <=160 All All <=100 <=160 <=160 <=24 20 22 02 03 05, 07 12 15 17, 19 <=160 21 <=160 All <=60 <=100 <=100 <=100 <=160 <=160 All <=39 23 04 06, 08 09 10 11 13 14 01 16, 18 <=160 <=160 All All <=100 <=160 <=160 <=160 <=24 20 22 02 03 05, 07 12 14 15 17, 19 <=160 21 <=160 All <=60 <=100 <=100 <=100 <=160 23 04 06, 08 09 10 11 13 Strength Low Normal High Low Normal High EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 3E1 CS high temp. 4E0 0,5 Mo Bolt materials EN 1515-1 Material/property class 4.6 Standard EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 4.6 EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 21CrMoV5-7 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 20CrMoVTiB4-10 EN 10269 continued Classification Dia. All Line No. 01 All 02 <=39 16, 18 <=160 <=160 All 20 22 03 All 04 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 12 13 14 15 17, 19 <=160 <=160 <=60 <=100 <=100 <=100 All 21 23 06, 08 09 10 11 01 All 02 <=39 16, 18 <=160 <=160 All 20 22 03 All 04 <=100 <=160 <=160 <=160 <=24 05, 07 12 14 15 17, 19 <=160 <=160 <=60 <=100 <=100 <=100 <=160 21 23 06, 08 09 10 11 13 Strength Low Normal High Low Normal High 5 EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 5E0 1Cr-0,5Mo 6E0 6 2Cr-1Mo Bolt materials EN 1515-1 Material/property class 4.6 Standard EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 42CrMo4 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 30CrNiMo8 EN 10269 4.6 EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 42CrMo4 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 30CrNiMo8 EN 10269 continued Classification Dia. All Line No. 01 All 02 <=39 16, 18 <=160 <=160 All 20 22 03 All 04 <=100 <=60 <=100 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 06, 08 10 11 12 13 14 15 17, 19 <=160 <=160 <=100 All 21 23 09 01 All 02 <=39 16, 18 <=160 <=160 All 20 22 03 All 04 <=100 <=60 <=100 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 06, 08 10 11 12 13 14 15 17, 19 <=160 <=160 <=100 21 23 09 Strength Low Normal High Low Normal High EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 6E1 5Cr-1Mo 7E0 CS low temp. Bolt materials EN 1515-1 Material/property class 4.6 Standard EN ISO 898-1 5.6 EN ISO 898-1 6.8 EN ISO 898-1 25CrMo4 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-50,A2-50 EN ISO 3506-1 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 EN 10269 X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 898-1 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 4.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 5.6 EN ISO 898-1 6.8 EN ISO 898-1 25CrMo4 EN 10269 21CrMoV5-7 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 8981 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 20CrMoVTiB4-10 EN 10269 continued Classification Dia. All Line No. 01 All 02 All 03 <=100 <=160 <=39 05, 07 15 16, 18 <=24 17, 19 <=160 <=160 <=160 <=160 All 20 21 22 23 04 <=60 <=100 <=100 <=100 <=160 <=160 <=160 All 06, 08 09 10 11 12 13 14 01 <=39 16, 18 <=160 <=160 All 20 22 02 All 03 <=100 <=160 <=160 <=160 <=24 05, 07 12 14 15 17, 19 <=160 <=160 All 21 23 04 <=60 <=100 <=100 <=100 <=160 06, 08 09 10 11 13 Strength Low Normal Low Normal High 7 EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 7E1 CS low temp. 7E2 8 9Ni Bolt materials EN 1515-1 Material/property class 4.6 Standard EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 EN 10269 X5CrNi18-10 AT+C EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 42CrMo4 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 30CrNiMo8 EN 10269 4.6 EN ISO 898-1 5.6 EN ISO 898-1 6.8 EN ISO 898-1 25CrMo4 EN 10269 21CrMoV5-7 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-50,A2-50 EN ISO 3506-1 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 EN 10269 X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 898-1 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 continued Classification Dia. All Line No. 01 All 02 <=39 16, 18 <=160 <=160 <=160 <=160 All 20 21 22 23 03 All 04 <=100 <=60 <=100 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 06, 08 10 11 12 13 14 15 17, 19 <=100 All 09 01 All 02 All 03 <=100 <=160 <=160 <=39 05, 07 12 15 16, 18 <=24 17, 19 <=160 <=160 <=160 <=160 All 20 21 22 23 04 <=60 <=100 <=100 <=100 <=160 <=160 06, 08 09 10 11 13 14 Strength Low Normal High Low Normal EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 7E3 1,4Mn-0,5Ni 8E0 CS fine grain Bolt materials EN 1515-1 Material/property class 4.6 Standard EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 42CrMo4 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 30CrNiMo8 EN 10269 4.6 EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 42CrMo4 EN 10269 30CrNiMo8 EN 10269 continued Classification Dia. All Line No. 01 All 02 <=39 16, 18 <=160 <=160 All 20 22 03 All 04 <=100 <=60 <=100 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 06, 08 10 11 12 13 14 15 17, 19 <=160 <=160 <=100 All 21 23 09 01 All 02 <=39 16, 18 <=160 <=160 All 20 22 03 All 04 <=100 <=100 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 10 11 12 13 14 15 17, 19 <=160 <=160 <=60 <=100 21 23 06, 08 09 Strength Low Normal High Low Normal High 9 EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 8E1 CS fine grain 8E2 10 CS fine grain Bolt materials EN 1515-1 Material/property class 4.6 Standard EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 EN 10269 X5CrNi18-10 AT+C EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 42CrMo4 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 30CrNiMo8 EN 10269 4.6 EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 42CrMo4 EN 10269 30CrNiMo8 EN 10269 continued Classification Dia. All Line No. 01 All 02 <=39 16, 18 <=160 <=160 <=160 <=160 All 20 21 22 23 03 All 04 <=100 <=60 <=100 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 06, 08 10 11 12 13 14 15 17, 19 <=100 All 09 01 All 02 <=39 16, 18 <=160 <=160 All 20 22 03 All 04 <=100 <=100 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 10 11 12 13 14 15 17, 19 <=160 <=160 <=60 <=100 21 23 06, 08 09 Strength Low Normal High Low Normal High EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 8E3 CS fine grain 9E0 11CR-1Mo-V Bolt materials EN 1515-1 Material/property class 4.6 Standard EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 EN 10269 X5CrNi18-10 AT+C EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 42CrMo4 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 30CrNiMo8 EN 10269 4.6 EN ISO 898-1 5.6 EN ISO 898-1 6.8 EN ISO 898-1 25CrMo4 EN 10269 21CrMoV5-7 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-50,A2-50 EN ISO 3506-1 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 EN 10269 X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 898-1 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 20CrMoVTiB4-10 EN 10269 continued Classification Dia. All Line No. 01 All 02 <=39 16,18 <=160 <=160 <=160 <=160 All 20 21 22 23 03 All 04 <=100 <=60 <=100 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 06, 08 10 11 12 13 14 15 17, 19 <=100 All 09 01 All 02 All 03 <=100 <=160 <=160 <=160 <=39 05, 07 12 14 15 16, 18 <=24 17, 19 <=160 <=160 <=160 <=160 All 20 21 22 23 04 <=60 <=100 <=100 <=100 <=160 06, 08 09 10 11 13 Strength Low Normal High Low Normal 11 EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 10E0 19Cr-10Ni 10E1 12 18Cr-10Ni-N Bolt materials EN 1515-1 Material/property class 4.6 Standard EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 5.6 EN ISO 898-1 6.8 EN ISO 898-1 25CrMo4 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 898-1 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 4.6 EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 42CrMo4 EN 10269 30CrNiMo8 EN 10269 continued Classification Dia. All Line No. 01 Strength <=39 16, 18 Low <=160 <=160 All 20 22 02 All 03 <=100 <=160 <=24 05, 07 15 17, 19 <=160 <=160 All 21 23 04 <=60 <=100 <=100 <=100 <=160 <=160 <=160 All 06, 08 09 10 11 12 13 14 01 All 02 <=39 16, 18 <=160 <=160 All 20 22 03 All 04 <=100 <=100 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 10 11 12 13 14 15 17, 19 <=160 <=160 <=60 <=100 21 23 06, 08 09 Normal High Low Normal High EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 11E0 18Cr-10Ni 12E0 18Cr-10Ni-Ti Bolt materials EN 1515-1 Material/property class 4.6 Standard EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 5.6 EN ISO 898-1 6.8 EN ISO 898-1 25CrMo4 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 898-1 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 4.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 5.6 EN ISO 898-1 6.8 EN ISO 8981 25CrMo4 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 898-1 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 continued Classification Dia. All Line No. 01 Strength <=39 16, 18 Low <=160 <=160 All 20 22 02 All 03 <=100 <=160 <=24 05, 07 15 17, 19 <=160 <=160 All 21 23 04 <=60 <=100 <=100 <=100 <=160 <=160 <=160 All 06, 08 09 10 11 12 13 14 01 <=39 16, 18 <=160 <=160 All 20 22 02 All 03 <=100 <=160 <=24 05, 07 15 17, 19 <=160 <=160 All 21 23 04 <=60 <=100 <=100 <=100 <=160 <=160 <=160 06, 08 09 10 11 12 13 14 Normal High Low Normal High 13 EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 13E0 17Cr-12Ni-2Mo 13E1 14 17Cr-11Ni-2Mo-N Bolt materials EN 1515-1 Material/property class A4-50,A2-50 Standard EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 4.6 EN ISO 898-1 5.6 EN ISO 898-1 6.8 EN ISO 898-1 25CrMo4 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 898-1 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 4.6 EN ISO 898-1 5.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 6.8 EN ISO 898-1 8.8 EN ISO 898-1 25CrMo4 EN 10269 42CrMo4 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 30CrNiMo8 EN 10269 continued Classification Dia. <=39 Line No. 16, 18 Strength <=160 <=160 All 20 22 01 Low All 02 All 03 <=100 <=160 <=24 05, 07 15 17, 19 <=160 <=160 All 21 23 04 <=60 <=100 <=100 <=100 <=160 <=160 <=160 All 06, 08 09 10 11 12 13 14 01 All 02 <=39 16, 18 <=160 <=160 All 20 22 03 All 04 <=100 <=60 <=100 <=100 <=160 <=160 <=160 <=160 <=24 05, 07 06, 08 10 11 12 13 14 15 17, 19 <=160 <=160 <=100 21 23 09 Normal High Low Normal High EN 1515-2:2001 (E) Table 1 (continued) Flange materials prEN 1092-1 Group Type 14E0 17Cr-12Ni-2Mo 15E0 17Cr-12Ni-2Mo Bolt materials EN 1515-1 Material/property class 4.6 Standard EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 5.6 EN ISO 898-1 6.8 EN ISO 898-1 25CrMo4 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 898-1 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 4.6 EN ISO 898-1 A4-50,A2-50 EN ISO 3506-1 X5CrNiMo17-12-2 AT EN 10269 X5CrNi18-10 EN 10269 5.6 EN ISO 898-1 6.8 EN ISO 898-1 25CrMo4 EN 10269 X7CrNiMoBNb16-16 EN 10269 A4-70, A2-70 EN ISO 3506-1 X5CrNiMo17-12-2 AT+C EN 10269 X5CrNi18-10 AT+C EN 10269 8.8 EN ISO 898-1 42CrMo4 EN 10269 30CrNiMo8 EN 10269 42CrMo5-6 EN 10269 40CrMoV4-6 EN 10269 21CrMoV5-7 EN 10269 20CrMoVTiB4-10 EN 10269 X6NiCrTiMoVB 25-15-2 EN 10269 continued Classification Dia. All Line No. 01 Strength <=39 16, 18 Low <=160 <=160 All 20 22 02 All 03 <=100 <=160 <=24 05, 07 15 17, 19 <=160 <=160 All 21 23 04 <=60 <=100 <=100 <=100 <=160 <=160 <=160 All 06, 08 09 10 11 12 13 14 01 <=39 16, 18 <=160 <=160 All 20 22 02 All 03 <=100 <=160 <=24 05, 07 15 17, 19 <=160 <=160 All 21 23 04 <=60 <=100 <=100 <=100 <=160 <=160 <=160 06, 08 09 10 11 12 13 14 Normal High Low Normal High 15 EN 1515-2:2001 (E) Table 1 (concluded) Flange materials prEN 1092-1 Group Type 16E0 25Cr-6Ni-3Cu-N Bolt materials EN 1515-1 Material/property class 4.6 5.6 6.8 25CrMo4 21CrMoV5-7 X7CrNiMoBNb16-16 A4-50,A2-50 A4-70, A2-70 X5CrNiMo17-12-2 AT X5CrNiMo17-12-2 AT+C X5CrNi18-10 X5CrNi18-10 AT+C 8.8 42CrMo4 30CrNiMo8 42CrMo5-6 40CrMoV4-6 20CrMoVTiB4-10 X6NiCrTiMoVB 25-15-2 16 Standard EN ISO 898-1 EN ISO 898-1 EN ISO 898-1 EN 10269 EN 10269 EN 10269 EN ISO 3506-1 EN ISO 3506-1 EN 10269 EN 10269 EN 10269 EN 10269 EN ISO 898-1 EN 10269 EN 10269 EN 10269 EN 10269 EN 10269 EN 10269 Classification Dia. All Line No. 01 All 02 All 03 <=100 <=160 <=160 <=39 05, 07 12 15 16, 18 <=24 17, 19 <=160 <=160 <=160 <=160 All 20 21 22 23 04 <=60 <=100 <=100 <=100 <=160 <=160 06, 08 09 10 11 13 14 Strength Low Normal EN 1515-2:2001 (E) Annex A (informative) Basic information This annex describes the rules under which the tables of this standard have been developed. A.1 Definitions  Flange calculation model: PN designated steel flanges, for which p/t ratings are given (see prEN 1092-1) have been calculated at ambient temperature with a flange material yield stress of 225 N/mm² and a bolt material yield stress of 300 N/mm². This is the calculation model for the flanges.  Classification: Bolt materials are set in relation to flange material groups and classified on the basis of their strength. Starting from the flange calculation model classification of the bolt material is done as given in this annex A. (See also prEN 1092-1 annex F: Determination of p/T ratings for flanges using EN materials.)  r: stress ratio for classification of the bolt material (see also clause 4)  r min: minimum value of all stress ratios of one flange material to one bolt material calculated over all temperatures.  r 20: stress ratio at 20 °C of one flange material to one bolt material. A.2 Combination of flange and bolt materials From each flange material group (e.g. group 3E0) the material with the lowest stress at 20 °C has been selected for the calculations of this group (Cast stainless steel has not been used, as the stress values are too low). The p/T ratings of the flanges itself has been calculated with the lowest value of a material group. This material is combined with each bolt material given in EN 1515-1 and the stress ratio r is calculated for all temperatures. The results are evaluated for the classification of the bolt material. A.3 Calculation Calculation method of Stress Ratio r: gm = Smf / Smb = 225 / 300 g gm Smf Smb STf STb r = = = = = = = g = STf / STb r = gm / g = [225 / 300] / [STf / STb] Stress ratio for a flange/bolt combination at temperature Stress ratio for calculation model Flange material stress for flange calculation model at 20 °C (= 225 N/mm²) Bolt material stress for calculation model at 20 °C (= 300 N/mm²) Flange material stress at temperature (N/mm²) Bolt material stress at temperature (N/mm²) Stress ratio model/combination 17 EN 1515-2:2001 (E) A.4 Classification The bolt materials combined with a flange material group are classified in low – normal – high strength (see also clause 4). The minimum value of r (r min) and the value at 20 °C (r 20) of one flange material to one bolt material calculated over all temperatures is used for the classification (e.g. flange material group 3E0 compared with bolt material 5.6 and temperatures from 20 °C to 300 °C). Stress ratio r below 1 means: Stress ratio r above 1 means: Bolts are weaker than calculation model Bolts are stronger than calculation model Classification has been done according to the following criteria:    18 Low strength: Normal strength: High strength: for bolt materials with r min  0,9; for bolt materials with r min  0,9 & r 20 < 2; for bolt materials with r 20  2. EN 1515-2:2001 (E) Annex ZA (informative) Relationship with EU Directive(s) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association (EFTA) and supports essential requirements of EU Directive 97/23/EC (Pressure Equipment Directive, PED). WARNING: Other requirements and other EU Directives may be applicable to the products falling within the scope of this standard. The following clauses of this standard are likely to support requirements of Directive 97/23/EC. Compliance with the clauses of this standard provides one means of conforming with the specific essential requirements of the Directive concerned and associated EFTA regulations. Table ZA.1 - Correspondence between this European Standard and Directive 97/23/EC Clause/ subclause of this European Standard 3 and 4 Annex 1, Clause 4 Annex 1, Clause 4.1a) Essential requirements (ER’s) of Directive 97/23/EC Materials: Materials for pressure equipment to be suitable during lifetime - unless replacement is foreseen. Materials for pressurized parts to have appropriate properties for all operating and test conditions: - to be sufficiently ductile and tough; - characteristics of material to comply with ESR's at 7.5 - to be selected in order to prevent brittle-type fracture, or appropriate measures to be taken. 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