DIN EN ISO 7539-11-2015 Corrosion of metals and alloys - Stress corrosion cracking - Part 11 Guidelines for testing the resistance of metals and alloys to hydrogen embrittlement an.pdf

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4、WLRQDQJODLVHGH,1(1,62ZZZEHXWKGHDocument comprises 23 pages,QFDVHRIGRXEWWKH*HUPDQODQJXDJHRULJLQDOVKDOOEHFRQVLGHUHGDXWKRULWDWLYHDIN EN ISO 7539-11:2015-03 2 A comma is used as the decimal marker. National foreword The text of ISO 7539-11:2013 has been prepared by Technical Committee ISO/TC 156 “Corros

5、ion of metals and alloys” and has been taken over as EN ISO 7539-11:2014 by Technical Committee CEN/TC 262 “Metallic and other inorganic coatings” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the DIN-Normenausschuss Materialprfung (DIN Standards Com

6、mittee Materials Testing), Working Committee NA 062-01-77 AA Korrosions-prfverfahren. EN ISO 7539 consists of the following parts, under the general title Corrosion of metals and alloys Stress corrosion testing: Part 1: General guidance on testing procedures Part 2: Preparation and use of bent-beam

7、specimens Part 3: Preparation and use of U-bend specimens Part 4: Method for the preparation and use of uniaxially loaded tension specimens Part 5: Preparation and use of C-ring specimens Part 6: Preparation and use of pre-cracked specimens for tests under constant load or constant displacement Part

8、 7: Method for slow strain rate testing Part 8: Preparation and use of specimens to evaluate weldments Part 9: Preparation and use of pre-cracked specimens for tests under rising load or rising displacement Part 10: Reverse U-bend test method Part 11: Guidelines for testing the resistance of metals

9、and alloys to hydrogen embrittlement and hydrogen-assisted cracking The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 2626 DIN EN ISO 2626 ISO 3690 DIN EN ISO 3690 ISO 7539-6 DIN EN ISO 7539-6 ISO 7539-7 DIN EN ISO 7539-7 ISO 7539-9 DIN E

10、N ISO 7539-9 ISO 11114-4 DIN EN ISO 11114-4 ISO 11782-1 DIN EN ISO 11782-1 ISO 11782-2 DIN EN ISO 11782-2 ISO 12683 DIN EN ISO 12683 ISO 14372 DIN EN ISO 14372 ISO 15330 DIN EN ISO 15330 ISO 17081 DIN EN ISO 17081 ISO/TR 17844 DIN-Fachbericht CEN ISO/TR 17844 DIN EN ISO 7539-11:2015-03 3 National An

11、nex NA (informative) Bibliography DIN EN ISO 2626, Copper Hydrogen embrittlement test DIN EN ISO 3690, Welding and allied processes Determination of hydrogen content in arc weld metal DIN EN ISO 7539-6, Corrosion of metals and alloys Stress corrosion testing Part 6: Preparation and use of pre-cracke

12、d specimens for tests under constant load or constant displacement DIN EN ISO 7539-7, Corrosion of metals and alloys Stress corrosion testing Part 7: Method for slow strain rate testing DIN EN ISO 7539-9, Corrosion of metals and alloys Stress corrosion testing Part 9: Preparation and use of pre-crac

13、ked specimens for tests under rising load or rising displacement DIN EN ISO 11114-4, Transportable gas cylinders Compatibility of cylinder and valve materials with gas contents Part 4: Test methods for selecting metallic materials resistant to hydrogen embrittlement DIN EN ISO 11782-1, Corrosion of

14、metals and alloys Corrosion fatigue testing Part 1: Cycles to failure testing DIN EN ISO 11782-2, Corrosion of metals and alloys Corrosion fatigue testing Part 2: Crack propagation testing using pre-cracked specimens DIN EN ISO 12683, Mechanically deposited coatings of zinc Specification and test me

15、thods DIN EN ISO 14372, Welding consumables Determination of moisture resistance of manual metal arc welding electrodes by measurement of diffusible hydrogen DIN EN ISO 15330, Fasteners Preloading test for the detection of hydrogen embrittlement Parallel bearing surface method DIN EN ISO 17081, Meth

16、od of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique DIN-Fachbericht CEN ISO/TR 17844, Welding Comparison of standardised methods for the avoidance of cold cracks DIN EN ISO 7539-11:2015-03 4 This page is intentionally

17、blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 7539-11 December 2014 ICS 77.060 English Version Corrosion of metals and alloys - Stress corrosion cracking -11: Guidelines for testing the resistance of metals and alloys to hydrogen embrittlement and hydrogen-assisted cracking(ISO 7539

18、-11:2013) Corrosion des mtaux et alliages - Essai de corrosion sous contrainte - Partie 11: Lignes directrices pour les essais de rsistance des mtaux et alliages la fragilisation par lhydrogne et la fissuration assiste sous hydrogne Korrosion der Metalle und Legierungen - Prfung der Spannungsrisskor

19、rosion - Teil 11: Leitfaden fr die Prfung der Resistenz von Metallen und Legierungen gegen Wasserstoffversprdung und wasserstoffverursachte Brche (ISO 7539-11:2013)This European Standard was approved by CEN on 16 December 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulation

20、s 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. Th

21、is 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 mem

22、bers 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, Portu

23、gal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, 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 2014 CEN All rights of exploitation in any fo

24、rm and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 7539-11:2014 E(ISO 7539-11:2013)Part Contents PageForeword 31 Scope .42 Normative references 43 Factors to be considered in hydrogen embrittlement and hydrogen-assisted cracking testing4us 4ut 53.3 Temperature 54 Select

25、ion of test method .6vs .6vt .64.3 Test duration .64.4 Load form .11vw 154.6 Testing of welds .155 Post-test evaluation 16Bibliography .182EN ISO 7539-11:2014 (E) DIN EN ISO 7539-11:2015-03 Foreword The text of ISO 7539-11:2013 has been prepared by Technical Committee ISO/TC 156 “Corrosion of metals

26、 and alloys” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 7539-11:2014 by Technical Committee CEN/TC 262 “Metallic and other inorganic coatings” the secretariat of which is held by BSI. This European Standard shall be given the status of a national st

27、andard, either by publication of an identical text or by endorsement, at the latest by June 2015, and conflicting national standards shall be withdrawn at the latest by June 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CE

28、N and/or CENELEC shall not be held responsible for identifying any or all such patent rights. 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,

29、 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 Ki

30、ngdom. Endorsement notice The text of ISO 7539-11:2013 has been approved by CEN as EN ISO 7539-11:2014 without any modification. 3EN ISO 7539-11:2014 (E) DIN EN ISO 7539-11:2015-03 1 Scope ywu NOTE Particular methods of testing are not treated in detail in this document. These are described in other

31、 International Standards to which reference is given.2 Normative references ywuy Corrosion of metals and alloys Stress corrosion testing Part 7: Method for slow strain rate testing syrzs Method of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique3 Factors to be considered in hydrogen embrittlement and hydrogen-assisted cracking testing3.1 Dynamic plastic straining3.1.1 2 be conducted prior to testing.3.1.2 duplex stainless steels.3.1.3 3.1.4