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    EN ISO 636-2015 en Welding consumables - Rods wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels - Classification《焊接消耗品 非合金和细的钨极惰性气体保护用焊条 焊丝和镀层 非晶.pdf

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    EN ISO 636-2015 en Welding consumables - Rods wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels - Classification《焊接消耗品 非合金和细的钨极惰性气体保护用焊条 焊丝和镀层 非晶.pdf

    1、BSI Standards PublicationBS EN ISO 636:2015W e l d i n g c o n s u m a b l e s Rods, wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels ClassificationBS EN ISO 636:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 636:201

    2、5. It supersedes BS EN ISO 636:2008 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee WEE/39, Welding consumables.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to inclu

    3、de all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 83845 3 ICS 25.160.20 Compliance with a British Standard cannot confer immunity from legal obligations.This B

    4、ritish Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 636 December 2015 ICS 25.160.20 Supersedes EN ISO 63

    5、6:2008English Version Welding consumables - Rods, wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels - Classification (ISO 636:2015) Produits consommables pour le soudage - Baguettes et fils pour dpts par soudage TIG des aciers non allis et des aciers grains fins -

    6、Classification (ISO 636:2015) Schweizustze - Stbe, Drhte und Schweigut zum Wolfram-Inertgasschweien von unlegierten Sthlen und Feinkornsthlen - Einteilung (ISO 636:2015) This European Standard was approved by CEN on 15 August 2015. CEN members are bound to comply with the CEN/CENELEC Internal Regula

    7、tions 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

    8、. 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 CEN-CENELEC Management Centre has the same status as the official versions. CEN

    9、 members 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, P

    10、ortugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any

    11、 form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 636:2015 EBS EN ISO 636:2015EN ISO 636:2015 (E) 3 European foreword This document (EN ISO 636:2015) has been prepared by Technical Committee ISO/TC 44 “Welding and allied processes“ in collaboration with Technical Co

    12、mmittee CEN/TC 121 “Welding and allied processes” 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 2016, and conflicting national standards shall be wi

    13、thdrawn at the latest by June 2016. 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 for identifying any or all such patent rights. This document supersedes EN ISO 636:2008. Accordin

    14、g 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, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Gr

    15、eece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 636:2015 has been approved by CEN as EN ISO 636:2015 without

    16、 any modification. BS EN ISO 636:2015ISO 636:2015(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Classification 14 Symbols and requirements 24.1 Symbol for the product/process 24.2 Symbol for strength and elongation of all-weld metal . 34.3 Symbol for impact properties of all-weld m

    17、etal . 44.4 Symbol for the chemical composition of rods or wires . 45 Mechanical tests 95.1 Preheating and interpass temperatures . 95.2 Welding conditions and pass sequence 105.3 PWHT condition 106 Chemical analysis 107 Rounding procedure 118 Retests 119 Technical delivery conditions 1110 Designati

    18、on .11 ISO 2015 All rights reserved iiiContents PageBS EN ISO 636:2015ISO 636:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out thro

    19、ugh ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collabor

    20、ates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval c

    21、riteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject

    22、 of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade na

    23、me used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technic

    24、al Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 44, Welding and allied processes, Subcommittee SC 3, Welding consumables.This fourth edition cancels and replaces the third edition (ISO 636:2004), which has be

    25、en technically revised.Requests for official interpretations of any aspect of this International Standard should be directed to the Secretariat of ISO/TC 44/SC 3, through your national standards body, a complete listing of which can be found at www.iso.org.iv ISO 2015 All rights reservedBS EN ISO 63

    26、6:2015ISO 636:2015(E)IntroductionThis International Standard provides a classification for the designation of rods and wires in terms of their chemical composition and, where required, in terms of the yield strength, tensile strength, and elongation of the all-weld metal. The ratio of yield to tensi

    27、le strength of weld metal is generally higher than that of parent metal. Matching weld metal yield strength to parent metal yield strength will not necessarily ensure that the weld metal tensile strength matches that of the parent material. Where the application requires matching tensile strengths,

    28、selection of consumables is made by reference to column 3 of Table 1A or Table 1B.Of note is that the mechanical properties of all-weld metal test specimens used to classify the rods and wires vary from those obtained in production joints because of differences in welding procedure such as diameter,

    29、 width of weave, welding position, and material composition.The classification according to system A is mainly based on EN 1668:1997. The classification according to system B is mainly based upon standards used around the Pacific Rim. ISO 2015 All rights reserved vBS EN ISO 636:2015BS EN ISO 636:201

    30、5Welding consumables Rods, wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels Classification1 ScopeThis International Standard specifies requirements for classification of rods and wires in the as-welded condition and in the post-weld heat-treated condition for tung

    31、sten inert gas welding of non-alloy and fine-grain steels with a minimum yield strength of up to 500 MPa or a minimum tensile strength of up to 570 MPa.This International Standard is a combined specification providing classification utilizing a system based upon the yield strength and the average im

    32、pact energy of 47 J of all-weld metal or utilizing a system based upon the tensile strength and the average impact energy of 27 J of all-weld metal.a) Paragraphs and tables which carry the suffix letter “A” are applicable only to rods and wires classified to the system based upon the yield strength

    33、and the average impact energy of 47 J of all-weld metal in accordance with this International Standard.b) Paragraphs and tables which carry the suffix letter “B” are applicable only to rods and wires classified to the system based upon the tensile strength and the average impact energy of 27 J of al

    34、l-weld metal in accordance with this International Standard.c) Paragraphs and tables which have neither the suffix letter “A” nor the suffix letter “B” are applicable to all rods and wires classified in accordance with this International Standard.2 Normative referencesThe following documents, in who

    35、le or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 544, Welding consumables Technical

    36、delivery conditions for filler materials and fluxes Type of product, dimensions, tolerances and markingsISO 13916, Welding Guidance on the measurement of preheating temperature, interpass temperature and preheat maintenance temperatureISO 14175, Welding consumables Gases and gas mixtures for fusion

    37、welding and allied processesISO 14344, Welding consumables Procurement of filler materials and fluxesISO 15792-1:2000, Welding consumables Test methods Part 1: Test methods for all-weld metal test specimens in steel, nickel and nickel alloys. Amended by ISO 15792-1:2000/Amd 1:2011ISO 80000-1:2009, Q

    38、uantities and units Part 1: General. Corrected by ISO 80000-1:2009/Cor 1:20113 ClassificationClassification designations are based upon two approaches to indicate the tensile properties and the impact properties of the all-weld metal obtained with rods or wires. The two designation approaches includ

    39、e additional designators for some other classification requirements, but not all as will be clear from the following sections. In most cases, a given commercial product can be classified to the INTERNATIONAL STANDARD ISO 636:2015(E) ISO 2015 All rights reserved 1BS EN ISO 636:2015ISO 636:2015(E)clas

    40、sification requirements in both systems. Then, either or both classification designations can be used for the product.Rods or wires shall be classified according to their chemical composition in accordance with Table 3A or Table 3B.3A Classification by yield strength and 47 J impact energy3B Classif

    41、ication according to alloy typeThe classification is divided into four parts.1) The first part gives a symbol indicating the product/process to be identified.2) The second part gives a symbol indicating the strength and elongation of the all-weld metal (see Table 1A).3) The third part gives a symbol

    42、 indicating the impact properties of all-weld metal (see Table 2).4) The fourth part gives a symbol indicating the chemical composition of the rods or wires used (see Table 3A).The classification is divided into four parts.1) The first part gives a symbol indicating the product/process to be identif

    43、ied.2) The second part gives a symbol indicating the strength and elongation of the all-weld metal in either the as-welded or post-weld heat-treated condition (see Table 1B).3) The third part gives a symbol indicating the impact properties of all-weld metal in the same condition as specified for the

    44、 tensile strength (see Table 2). The letter “U” after this designator indicates that the deposit meets an average optional requirement of 47 J at the designated Charpy test temperature.4) The fourth part gives a symbol indicating the chemical composition of the rods or wires used (see Table 3B).4 Sy

    45、mbols and requirements4.1 Symbol for the product/processThe symbol of weld deposit by the tungsten inert gas welding process shall be the letter “W” placed at the beginning of the designation.The symbol of rods or wires for the tungsten inert gas welding shall be the letter “W” placed at the beginni

    46、ng of the rod or wire designation.2 ISO 2015 All rights reservedBS EN ISO 636:2015ISO 636:2015(E)4.2 Symbol for strength and elongation of all-weld metal4.2A Classification by yield strength and 47 J impact energy4.2B Classification by tensile strength and 27 J impact energyThe symbol in Table 1A in

    47、dicates yield strength, tensile strength, and elongation of the all-weld metal in the as-welded condition determined in accordance with Clause 5.The symbol in Table 1B indicates yield strength, tensile strength, and elongation of the all-weld metal in the as-welded condition or in the post-weld heat

    48、-treated condition determined in accordance with Clause 5.Table 1A Symbol for strength and elonga-tion of all-weld metalTable 1B Symbol for strength and elongation of all-weld metalSymbolMinimum yield strengthaTensile strengthMinimum elongationbSymbolaMinimum yield strengthbTensile strengthMinimum e

    49、longationcMPa MPa % MPa MPa %35 355 440 to 570 22 43X 330 430 to 600 2038 380 470 to 600 20 49X 390 490 to 670 1842 420 500 to 640 20 55X 460 550 to 740 1746 460 530 to 680 2057X 490 570 to 770 1750 500 560 to 720 18aFor yield strength, the lower yield (ReL) is used when yielding occurs. Otherwise, the 0,2 % proof strength (Rp0,2) is used.bGauge length is equal to five times the test speci-men diameter.aX is “A” or “P”. Where “A” indicates testing in the as-welded condition and “P” indicates testing in the post we


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