EN 10120-2017 en Steel sheet and strip for welded gas cylinders.pdf

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1、Steel sheet and strip for welded gas cylindersBS EN 10120:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10120 July 2017 ICS 77.140.50 Supersedes EN 10120:2008English Version Steel sheet and strip for welded g

2、as cylinders Tles et bandes pour bouteilles gaz soudes en acier Stahlblech und -band fr geschweite Gasflaschen This European Standard was approved by CEN on 7 May 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European S

3、tandard 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 (Eng

4、lish, 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,

5、 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, Sw

6、itzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN nati

7、onal Members. Ref. No. EN 10120:2017 ENational forewordThis British Standard is the UK implementation of EN 10120:2017. It supersedes BS EN 10120:2008, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ISE/107, Steels for Pressure Purposes.A list of orga

8、nizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 20

9、17ISBN 978 0 580 87853 4ICS 77.140.30; 77.140.50Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2017.Amendments/corrigenda issued since publicationDate

10、 Text affectedBRITISH STANDARDBS EN 10120:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10120 July 2017 ICS 77.140.50 Supersedes EN 10120:2008English Version Steel sheet and strip for welded gas cylinders Tles et bandes pour bouteilles gaz soudes en acier Stahlblech und -band fr geschweit

11、e Gasflaschen This European Standard was approved by CEN on 7 May 2017. 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 bibliograp

12、hical 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 responsibili

13、ty 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 o

14、f 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 COMIT EUROPEN DE NOR

15、MALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10120:2017 EBS EN 10120:2017EN 10120:2017 (E) 2 Contents Page European

16、foreword . 3 1 Scope 3 2 Normative references 4 3 Terms and definitions . 5 4 Classification and designation 5 5 Information to be supplied by the purchaser . 5 5.1 Mandatory information 5 5.2 Options 6 5.3 Example of ordering . 6 6 Manufacturing process 6 6.1 Steelmaking process 6 6.2 Delivery cond

17、ition 6 7 Requirements . 7 7.1 Chemical composition . 7 7.2 Mechanical properties . 8 7.3 Weldability 9 7.4 Tolerances . 9 7.5 Surface condition 9 8 Inspection 9 8.1 Types of inspection and inspection documents . 9 8.2 Tests to be carried out . 9 8.3 Retests, sorting and reprocessing 10 9 Sampling 1

18、0 9.1 Frequency of testing 10 9.2 Sampling and test piece preparation 10 10 Test methods . 11 10.1 Chemical analysis . 11 10.2 Tensile test at room temperature 11 10.3 Other testing 11 11 Marking 11 Annex A (informative) Changes to the previous version EN 10120:2008 12 BS EN 10120:2017EN 10120:2017

19、(E) 3 European foreword This document (EN 10120:2017) has been prepared by Technical Committee ECISS/TC 107 “Steels for pressure purposes”, 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

20、by endorsement, at the latest by January 2018 and conflicting national standards shall be withdrawn at the latest by January 2018. 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 fo

21、r identifying any or all such patent rights. This document supersedes EN 10120:2008. A list of changes between this document and the previous version can be found in Annex A. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound

22、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,

23、Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 10120:2017EN 10120:2017 (E) 4 1 Scope This European Standard specifies requirements for sheet and strip up to 5 mm thickness of steels listed in Table 1 and intended for the manufacture of welded ga

24、s cylinders. The general technical delivery conditions in EN 10021 also apply to products supplied in accordance with this European Standard. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. Fo

25、r dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 10020:2000, Definition and classification of grades of steel EN 10021, General technical delivery conditions for steel products EN 10027-1,

26、 Designation systems for steels Part 1: Steel names EN 10027-2, Designation systems for steels Part 2: Numerical system EN 10051, Continuously hot-rolled strip and plate/sheet cut from wide strip of non-alloy and alloy steels Tolerances on dimensions and shape EN 10052:1993, Vocabulary of heat treat

27、ment terms for ferrous products EN 10079:2007, Definition of steel products EN 10131, Cold rolled uncoated and zinc or zinc-nickel electrolytically coated low carbon and high yield strength steel flat products for cold forming Tolerances on dimensions and shape EN 10168, Steel products Inspection do

28、cuments List of information and description EN 10204, Metallic products Types of inspection documents EN ISO 377:2013, Steel and steel products Location and preparation of samples and test pieces for mechanical testing (ISO 377:2013) EN ISO 6892-1:2016, Metallic materials Tensile testing Part 1: Met

29、hod of test at ambient temperature (ISO 6892-1:2016) EN ISO 14284:2002, Steel and iron Sampling and preparation of samples for the determination of chemical composition (ISO 14284:1996) CEN/TR 10261, Iron and steel European standards for the determination of chemical composition BS EN 10120:2017EN 1

30、0120:2017 (E) 5 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 10020:2000, EN 10052:1993 (but see 3.1), EN 10079:2007 and the following apply. 3.1 normalizing rolling rolling process in which the final deformation process is carried out in a certain

31、temperature range leading to a material condition equivalent to that obtained after normalizing so that the specified values of the mechanical properties are retained even after normalizing Note 1 to entry: The symbol for this delivery condition is N. Note 2 to entry: The definition is deviating fro

32、m EN 10052:1993. 4 Classification and designation 4.1 Classification The steels specified in this European Standard are non-alloy quality steels, except HCT600XB which is an alloy quality steel, in accordance with EN 10020. 4.2 Designation The steel grades are designated with steel names in accordan

33、ce with EN 10027-1. The corresponding steel numbers have been allocated in accordance with EN 10027-2. 5 Information to be supplied by the purchaser 5.1 Mandatory information The following information shall be supplied by the purchaser at the time of enquiry and order: a) quantity required; b) type

34、of flat products (sheet or strip); c) nominal dimensions of the product (length1), width, thickness); d) number of this European Standard; e) steel name or number (see Table 1 or 3); f) delivery condition (see 6.2 and 7.5); g) inspection document to be delivered (see 8.1.1). 1) For sheet only. BS EN

35、 10120:2017EN 10120:2017 (E) 6 5.2 Options A number of options are specified in this European Standard and listed below. If the purchaser does not indicate his wish to implement any of these options the products shall be supplied in accordance with the basic specification (see 5.1). 1) Information o

36、n the melting and de-oxidation process (see 6.1.1 and 6.1.2); 2) product analysis (see 7.1.2 and Table 4); 3) sampling conditions for the product analysis (see 9.2.2); 4) special marking conditions (see Clause 11). 5.3 Example of ordering 10 t sheets with nominal dimensions of thickness = 4,0 mm, wi

37、dth = 600 mm, length = 1 200 mm, made of the steel grade P265NB (1.0423) as specified in EN 10120, delivered normalized, descaled and oiled, inspection certificate 3.1 in accordance with EN 10204: 10 t sheet 600x1200x4,0 EN 10120 P265NB normalized and oiled EN 10204-3.1 or 10 t sheet 600x1200x4,0 EN

38、 10120 1.0423 normalized and oiled EN 10204-3.1 6 Manufacturing process 6.1 Steelmaking process 6.1.1 The melting and de-oxidation process shall be at the discretion of the manufacturer with the limitations to 6.1.2 and 6.1.3 and Table 1, unless otherwise agreed at the time of enquiry and order. 6.1

39、.2 The steel shall be manufactured using the electric arc process or an oxygen process. Other melting processes may be used by agreement at the time of enquiry and order. On request, the purchaser shall be informed of the process used. 6.1.3 The used type of de-oxidation shall ensure that the steel

40、has an acceptable degree of resistance to ageing (see Table 1, footnote b). 6.2 Delivery condition The delivery condition shall be specified at the time of enquiry and order. Usual delivery conditions are: a) hot rolled and normalized (N)2); b) hot rolled (AR); c) cold rolled. NOTE The delivery cond

41、ition “hot rolled and normalized2)” is generally used for gas cylinders which are only stress relieved after welding. The “hot rolled” delivery condition is only intended for gas cylinders which are normalized after welding. Gas cylinders which are made of steel grade HCT600XB, which is delivered “c

42、old rolled”, shall not be normalized after welding, because normalizing affects the mechanical properties of the material. 2) This includes the normalizing rolled condition. BS EN 10120:2017EN 10120:2017 (E) 7 7 Requirements 7.1 Chemical composition 7.1.1 Cast analysis The cast analysis reported by

43、the steel producer shall apply and comply with the requirements of Table 1. 7.1.2 Product analysis The product analysis shall not deviate from the limiting values for the cast analysis as specified in Table 1 by more than the values given in Table 2. Table 1 Chemical composition of the cast analysis

44、, in % aSteel grade C max. Si max. Mn P max. S max. Altotalbmin. N cmax. Nb max. Ti max. Steel name Steel number P245NB 1.0111 0,16 0,25 0,30 0,025 0,015 0,020 0,009 0,050 0,03 P265NB 1.0423 0,19 0,25 0,40 0,025 0,015 0,020 0,009 0,050 0,03 P310NB 1.0437 0,20 0,50 0,70 0,025 0,015 0,020 0,009 0,050

45、0,03 P355NB 1.0557 0,20 0,50 0,70 0,025 0,015 0,020 0,009 0,050 0,03 HCT600XB e1.0950 0,15 0,75 2,50 0,040 0,015 0,015 d d aElements not listed in this table may not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All appropriate measures sha

46、ll be taken to prevent the addition from scrap or other materials used in steelmaking of these elements which may adversely affect the mechanical properties and usability. bThe aluminium content may partly be replaced by 0,050 % Nb and/or 0,03 % Ti (see 6.1.3). In such cases the content of these ele

47、ments is to be reported in the inspection document. cIf the ratio of totalAlN 2,2 or if Nb and/or Ti additions are applied, the nitrogen content may be 0,012 %. dNb+Ti 0,150 % eCr+Mo 1,0 % BS EN 10120:2017EN 10120:2017 (E) 8 Table 2 Permissible product analysis tolerances on the limiting values give

48、n in Table 1 for the cast analysis Element Limiting value of the cast analysis Permissible deviation of the product analysis C 0,20 + 0,02 Si 0,50 0,05 + 0,10 Mn 0,30 0,05 + 0,10 P 0,025 + 0,005 0,025 0,040 + 0,010 S 0,015 + 0,003 Altotal 0,020 0,005 N 0,009 + 0,002 Nb 0,050 + 0,010 Ti 0,03 + 0,01 7

49、.2 Mechanical properties The mechanical properties shall comply with the values in Table 3 which are applicable to samples in the normalized or normalizing rolled condition, except for the steel grade HCT600XB. For HCT600XB the mechanical properties stated in Table 3 are applicable only to samples in cold-rolled condition only. Table 3 Mechanical properties and guidance for heat treatment aSteel grade Upper yield strength ReHmin. MPa Tensile strength RmMPa Elongati

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