1、Magnesium alloy MG-W68001 Filler metal for welding Wire and rod The European Standard EN 4340:2002 has the status of a British Standard ICs 49.025.15 BS EN 4340:2002 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 4340:2002 Amd. No. National foreword Date Comments This B
2、ritish Standard is the official English language version ofEN 4340:2002. The UKparticipation in its preparation was entrusted to Technical Committee ACE/24, Wrought and cast light alloys for aerospace, which has the responsibility to: - - aid enquirers to understand the text; present to the responsi
3、ble 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 se
4、cretary. Cr oss-r e fer enc e s The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI
5、Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. This Brit
6、ish Standard. having - been prepared under the direction of the Engineering Summary Of pages Sector Policv and Stratew This document comprises a front cover, an inside front cover, the EN title page, -_ Committee, was published pages 2 to 6. an inside back cover and a back cover. under the authority
7、 of the Standards policy and Strategy Committee on 4 February 2002 The BSI copyright date displayed in this document indicates when the document was last issued. O BSI 4 February 2002 ISBN O 580 38987 1 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4340 January 2002 ICs 49.025.15 English vers
8、ion Aerospace series - Magnesium alloy MG-W68001 - Filler metal for welding - Wire and rod Srie arospatiale - Alliage de magnsium MG-W68001 - Mtal dapport de soudage - Fil et baguette Luft- und Raumfahrt - Magnesiumlegierung MG-W68001 - Schweizusatz - Draht und Stbe This European Standard was approv
9、ed by CEN on 2 May 2001 CEN members are bound to comply with the CENKENELEC 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 standar
10、ds 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
11、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, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and Unit
12、ed Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION EUROPISCHES KOMITEE FR NORMUNG COMIT EUROPEN DE NORMALISATION Management Centre: rue de Stassart, 36 B-1050 Brussels O 2002 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4340:200
13、2 E EN 4340:2002 (E) Foreword This document (EN 4340:2002) has been prepared by the European Association of Aerospace Manufacturers (AECMA). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations an
14、d the Official Services of the member countries of AECMA, prior to its presentation to CEN 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 July 2002, and conflicting national standards shall be wi
15、thdrawn at the latest by July 2002. According to the CENKENELEC 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,
16、Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 2 EN 4340:2002 (E) O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4258. Th
17、is standard has been prepared in accordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Magnesium alloy MG-W68001 Filler metal for welding Wire and rod for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated referen
18、ce 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
19、 in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2043 Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings) 1) EN 3879 Aerospace series - Metallic mat
20、erials - Filler metal for welding - Technical specification 1) EN 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use EN 4500-2 Aerospace series - Metallic materials - Rules for drafting and presentation of material
21、 standards - Part 2: Specific rules for aluminium, aluminium alloys and magnesium alloys 1) 1) Published as AECMA Prestandard at the date of publication of this standard 3 - 1 2 - Material designation Chemical I - 3 Magnesium alloy MG-W68001 I Others I :N 4340:2002 (E) Thickness of cladding on each
22、face % - composition % Direction of test piece Temperature I9 “C Proof stress RpO.z MPa T Strength R, MPa Elongation A% Reduction ofarea Z % Hardness Shear strength R, MPa Bending k- Impact strength I Method of melting - - - - - - - - - - Mg Base Wire and rod I 4.1 I Form Cold drawn I 4.2 I Method o
23、f production - 4.3 I Limit dimension(s) I mm I 5 I Technical specification I EN 3879 I Cold drawn and annealed I 6.1 I Delivery condition I - I I Heat treatment 6.2 I Delivery condition code I U I 7 I Use condition I Delivery condition I I - I Heat treatment I - 3.1 3.2 3.3 9 10 11 12 13 14 15 16 17
24、 18 19 20 21 22 23 24 25 26 27 - - - - - - - - - - - - - - - - - - - - - - Characteristics - Test sample(s) I - Test piece(s) I - I Heat treatment Dimensions concerned I mm I - Temperature I I9 I “C I - Time Ihl Elongation I a I % I - I I I Elongation at rupture A % Notes (see line 98) a 4 ixternal
25、defects - - iesidual stress See EN 3879 a p.p.m. nternal defects 3atch uniformity :Material verification) Marking inspection 3imensional inspection Votes rypical use EN 4340:2002 (E) See EN 3879 See EN 3879 See EN 3879 See EN 3879 -I See EN 3879 -I - 5 100 6 EN 4340:2002 (E) - Product qualification
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