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1、BRITISH STANDARD BS EN 10217-7:2005 Welded steel tubes for pressure purposes Technical delivery conditions Part 7: Stainless steel tubes The European Standard EN 10217-7:2005 has the status of a British Standard ICS 23.040.10; 77.140.75 ? BS EN 10217-7:2005 This British Standard was published under
2、the authority of the Standards Policy and Strategy Committee on 25 February 2005 BSI 25 February 2005 ISBN 0 580 45610 2 National foreword This British Standard is the official English language version of EN 10217-7:2005. It supersedes BS 3605-2:1992, which is withdrawn. The UK participation in its
3、preparation was entrusted by Technical Committee ISE/73, Steels for pressure purposes, to Subcommittee ISE/73/1, Steel plates and bars for pressure purposes, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-r
4、eferences 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 Bri
5、tish 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. aid enquirers to understand the text; prese
6、nt 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. Summary of pages This document comprises a front cover, an i
7、nside front cover, the EN title page, pages 2 to 37 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10217-7 February 2005
8、ICS 23.040.10; 77.140.75 English version Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes Tubes souds en acier pour service sous pression - Conditions techniques de livraison - Partie 7: Tubes en aciers inoxydables Geschweite Stahlrohre fr Druc
9、kbeanspruchungen Technische Lieferbedingungen - Teil 7: Rohre aus nichtrostenden Sthlen This European Standard was approved by CEN on 14 October 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status
10、 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 Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A ver
11、sion in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Esto
12、nia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES K
13、OMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10217-7:2005: E EN 10217-7:2005 (E) 2 2 Contents Foreword4 1 Scope 5 2 Normative references5 3 Terms and d
14、efinitions .6 4 Symbols6 5 Classification and designation.7 5.1 Classification7 5.2 Designation 7 6 Information to be supplied by the purchaser .7 6.1 Mandatory information7 6.2 Options .7 6.3 Examples of an order 8 6.3.1 Example 1 .8 6.3.2 Example 2 .8 7 Manufacturing process .9 7.1 Steelmaking pro
15、cess.9 7.2 Tube manufacture and delivery conditions 9 8 Requirements.11 8.1 General11 8.2 Chemical composition 12 8.2.1 Cast analysis12 8.2.2 Product analysis12 8.3 Mechanical properties.17 8.3.1 At room temperature .17 8.3.2 At elevated temperature17 8.3.3 At low temperature 17 8.4 Corrosion resist
16、ance.22 8.5 Appearance and internal soundness.22 8.5.1 Appearance 22 8.5.2 Internal soundness23 8.6 Straightness.23 8.7 Preparation of ends.23 8.8 Dimensions, masses and tolerances.24 8.8.1 Outside diameter and wall thickness 24 8.8.2 Mass24 8.8.3 Lengths.24 8.8.4 Tolerances24 9 Inspection.27 9.1 Ty
17、pe of inspection.27 9.2 Inspection documents.27 9.2.1 Types of inspection documents.27 9.2.2 Content of inspection documents27 9.3 Summary of inspection and testing.28 10 Sampling.28 10.1 Test unit28 10.2 Preparation of samples and test pieces30 10.2.1 Selection and preparation of samples for produc
18、t analysis.30 10.2.2 Location, orientation and preparation of samples and test pieces for mechanical tests30 11 Test methods31 11.1 Chemical analysis31 11.2 Tensile test on the base material.31 11.2.1 At room temperature .31 11.2.2 At elevated temperature32 11.3 Transverse tensile test on the weld.3
19、2 11.4 Technological tests .32 11.4.1 General32 11.4.2 Flattening test 32 11.4.3 Ring tensile test.33 EN 10217-7:2005 (E) 3 11.4.4 Drift expanding test.33 11.4.5 Ring expanding test 33 11.5 Weld bend test .33 11.6 Impact test33 11.7 Intergranular corrosion test .34 11.8 Leak tightness test34 11.8.1
20、Hydrostatic test34 11.8.2 Eddy current test.35 11.9 Dimensional inspection 35 11.10 Visual examination35 11.11 Non-destructive testing.35 11.12 Material identification35 11.13 Retests, sorting and reprocessing 36 12 Marking.36 12.1 Marking to be applied36 12.2 Additional marking36 13 Handling and pa
21、ckaging.36 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC37 EN 10217-7:2005 (E) 4 4 Foreword This document (EN 10217-7:2005) has been prepared by Technical Committee ECISS /TC 29, “Steel tubes and fittings for steel tubes“,
22、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 August 2005, and conflicting national standards shall be withdrawn at the latest by August 2005. This docum
23、ent 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 97/23/EC. For relationship with EU Directive 97/23/EC, see informative Annex ZA, which is an integral part of this document. Othe
24、r parts of EN 10217 are: Part 1: Non-alloy steel tubes with specified room temperature properties; Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties; Part 3: Alloy fine grain steel tubes; Part 4: Electric welded non-alloy steel tubes with specifie
25、d low temperature properties; Part 5: Submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties; Part 6: Submerged arc welded non-alloy steel tubes with specified low temperature properties Another European Standard series covering tubes for pressure purpose
26、s is: EN 10216: Seamless steel tubes for pressure purposes. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, G
27、ermany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 10217-7:2005 (E) 5 1 Scope This Part of EN 10217 specifies the technical delivery conditions in two tes
28、t categories for welded tubes of circular cross-section made of austenitic and austenitic-ferritic stainless steel which are applied for pressure and corrosion resisting purposes at room temperature, at low temperatures or at elevated temperatures. 2 Normative references The following referenced doc
29、uments are indispensable for the application 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. EN 473, Non destructive testing - Qualification and certification of NDT pers
30、onnel - General principles. EN 910, Destructive tests on weld in metallic materials - Bend tests. EN 10002-1, Metallic materials - Tensile testing - Part 1: Method of test at ambient temperature. EN 10002-5, Metallic materials - Tensile testing - Part 5: Method of test at elevated temperature. EN 10
31、020:2000, Definition and classification of grades of steel. EN 10021:1993, General technical delivery requirements for steel and iron products. EN 10027-1, Designation systems for steels - Part 1: Steel names, principal symbols. EN 10027-2, Designation systems for steels - Part 2: Numerical system.
32、EN 10028-7, Flat products made of steels for pressure purposes Part 7: Stainless steels. EN 10045-1, Metallic materials - Charpy impact test - Part 1: Test method. EN 10052:1993, Vocabulary of heat treatment terms for ferrous products. EN 10088-1, Stainless steels - Part 1: List of stainless steels.
33、 EN 10088-2, Stainless steels Part 2: Technical delivery conditions for sheet/plate and strip for general purposes. EN 10168, Steel products - Inspection documents - List of information and description. EN 10204, Metallic products - Types of inspection documents. EN 10233, Metallic materials - Tube
34、- Flattening test. EN 10234, Metallic materials - Tube - Drift expanding test. EN 10236, Metallic materials - Tube - Ring expanding test. EN 10237, Metallic materials - Tube - Ring tensile test. EN 10246-2, Non destructive testing of steel tubes - Part 2: Automatic eddy current testing of seamless a
35、nd welded (except submerged arc-welded) austenitic and austenitic-ferritic steel tubes for verification of hydraulic leak- tightness. EN 10246-3, Non-destructive testing of steel tubes - Part 3: Automatic eddy current testing of seamless and welded (except submerged arc welded) steel tubes for the d
36、etection of imperfections. EN 10246-7, Non destructive testing of steel tubes - Part 7: Automatic full peripheral ultrasonic testing of seamless and welded (except submerged arc welded) steel tubes for the detection of longitudinal imperfections. EN 10217-7:2005 (E) 6 6 EN 10246-9, Non-destructive t
37、esting of steel tubes - Part 9: Automatic ultrasonic testing of the weld seam of submerged arc-welded steel tubes for the detection of longitudinal and/or transverse imperfections. EN 10246-10, Non-destructive testing of steel tubes - Part 10: Radiographic testing of weld seam of automatic fusion ar
38、c-welded steel tubes for the detection imperfections. EN 10246-16, Non destructive testing of steel tubes - Part 16: Automatic ultrasonic testing of the area adjacent to the weld seam of welded steel tubes for the detection of laminar imperfections. EN 10246-17, Non destructive testing of steel tube
39、s Part 17: Ultrasonic testing of tube ends of seamless and welded steel tubes for the detection of laminar imperfections. EN 10256, Non destructive testing of steel tubes Qualification and competence of level 1 and level 2 non- destructive testing personnel. EN 10266:2003, Steel tubes, fittings and
40、structural hollow sections Symbols and definitions of terms for use in product standards. EN ISO 377 Steel and steel products - Location of samples and test pieces for mechanical testing. (ISO 377:1997). EN ISO 1127, Stainless steel tubes - Dimensions, tolerances and conventional masses per unit len
41、gth (ISO 1127:1992). EN ISO 2566-2, Steel - Conversion of elongation values - Part 2: Austenitic steels (ISO 2566-2:1984). EN ISO 3651-2, Determination of resistance to intergranular corrosion of stainless steels - Part 2: Ferritic, austenitic and ferritic-austenitic (duplex) stainless steels - Corr
42、osion test in media containing sulfuric acid (ISO 3651-2:1998). EN ISO 14284, Steel and iron - Sampling and preparation of samples for the determination of the chemical composition (ISO 14284:1996). CR 10260, Designation systems for steel: Additional symbols. CR 10261, ECISS Information Circular 11
43、- Iron and steel - Review of available methods of chemical analysis. 3 Terms and definitions For the purpose of this Part of EN 10217, the terms and definitions given in EN 10020:2000, EN 10021:1993, EN 10052:1993 and EN 10266:2003 and the following apply. 3.1 test category classification that indic
44、ates the extent and level of inspection and testing 3.2 employer organization for which a person works on a regular basis NOTE The employer may be either the tube manufacturer or supplier or a third party organization providing Non- Destructive Testing (NDT) services. 4 Symbols For the purpose of th
45、is Part of EN 10217, the symbols given in EN 10266:2003 and the following apply. C1 and C2 category conformity indicators (see Clauses 7.2.1 and 7.2.3.); TC test category. NOTE See also Table 2 for symbols of the delivery condition. EN 10217-7:2005 (E) 7 5 Classification and designation 5.1 Classifi
46、cation According to the classification system in EN 10020, the steel grades are classified as: austenitic steels (corrosion resisting); austenitic-ferritic steels. For more details see EN 10088-1. 5.2 Designation For the tubes covered by this Part of EN 10217 the steel designation consists of: the n
47、umber of this Part of EN 10217 (EN 10217-7); plus either: the steel name according to EN 10027-1 and CR 10260; or: the steel number allocated according to EN 10027-2. 6 Information to be supplied by the purchaser 6.1 Mandatory information The following information shall be supplied by the purchaser
48、at the time of enquiry and order: a) the quantity (mass or total length or number); b) the term “tube“; c) the dimensions (outside diameter D and wall thickness T) (see 8.8.1); d) the designation of the steel grade according to this Part of EN 10217 (see 5.2); e) the test category (see 9.3). 6.2 Opt
49、ions A number of options are specified in this Part of EN 10217 and these are listed below. In the event that the purchaser does not indicate a wish to implement any of these options at the time of enquiry and order, the tube shall be supplied in accordance with the basic specification (see 6.1). a) Information about steelmaking process (see 7.1); b) Tube manufacturing process and/or route (see 7.2.2); c) The inside weld is remelted (see Table 1); d) The inside wel
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