1、BRITISH STANDARD AEROSPACE SERIES Aerospace series - Silver base alloy (AgCu40Zn5Ni) - F“ler metal for brazing - AG-BI 240 I Wire The European Standard EN 3953:2001 has the status of a British Standard ICs 49.025.15 BS EN 3953:2001 O NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT
2、 LAW BS EN 3953:ZOOl Amd. No. National foreword Date Comments This British Standard is the official English language version of EN 3953:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/61, Inspection and testing requirements for aerospace metallic materials, whi
3、ch has the responsibility to: - - aid enquirers to understand the text; present to the responsible 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 U
4、K. - A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references 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 “I
5、nternational Standards Correspondence Index”, or by using the “Find” facility of the BSI 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 wit
6、h a British Standard does not of itself confer immunity from legal obligations. This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 August 2001 Summary of pages T
7、his document comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication O BSI 07-2001 ISBN O 580 37732 6 EUR
8、OPEAN STANDARD NORME EUROPENNE O EUROPISCHE NORM EN 3953 June 2001 ICs 49.025.15 English version Aerospace series - Silver base alloy AG-BI 2401 (AgCu40Zn5Ni) - Filler metal for brazing - Wire Srie arospatiale - Alliage base argent AG-B12401 (AgCu4OZnSNi) - Mtal dapport de brasage - Fil Luft- und Ra
9、umfahrt - Silberbasislegierung AG-B12401 (AgCu4OZn5Ni) - Hartlot in Form von Draht This European Standard was approved by CEN on 19 April 2001. CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a n
10、ational standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards 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 a
11、ny other language made by translation under the responsibility of a CEN member into its own language and notified to the 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, German
12、y, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. O EUROPEAN COMMiTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 8-1050 Brussels 0 2001 CEN All
13、rights of exploitation in any form and by any means resewed worldwide for CEN national Members. Ref. No. EN 3953:2001 E Page 2 EN 3953:2001 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accor
14、dance with the rules of this Association, this Standard has received the approval of the National Associations and 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
15、of an identical text or by endorsement, at the latest by December 2001, and conflicting national standards shall be withdrawn at the latest by December 2001. According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this
16、European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Page 3 EN 3953:2001 O Introduction This standard is part of the series of EN metallic
17、 material standards for aerospace applications. The general organisation of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-6. 1 Scope This standard specifies the requirements relating to: Silver base alloy AG-B12401 (AgCu40Zn5Ni) Filler metal for braz
18、ing Wire for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference 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
19、, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated 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 requir
20、ements for semi-finished product qualification (excluding forgings and castings) 1) Aerospace series - Metallic materials - Filler metal for brazing - Technical specification 1) EN 3875 EN 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types of E
21、N standards and their use EN 4500-6 Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 6: Specific rules for filler metals for brazing 1) O 1) Published as AECMA Prestandard at the date of publication of this standard Page 4 EN 3953:2001 2 I 1 I
22、Material designation I Silver base braze alloy AG-B12401 (AgCu40Zn5Ni) Chemical Others Total Element Cu Ni Zn AI Cd Bi Pb P si min. 39,O 0,50 4,O - - - - - - - composition YO max. 41,O 1,50 6,O lo*) 0,030 0,030 0,025 80) 0,05 0,15 5 Air or inert gas melted I 3 I Method of melting I Technical specifi
23、cation EN 3875 I I (4.1 I Form I Wire I Delivery condition Heat treatment Delivery condition code Use condition Cold formed and cleaned 14.2 I Method of production I As manufactured or annealed - U Delivery condition I - 14.3 I Limit dimension(s) I mm I 11 12 13 - Direction of test piece - Temperatu
24、re e oc - Proof stress Rp0.2 MPa - 6.1 - 6.2 7 - Reduction of area Z Yo - II I Hardness Shear strength Rc MPa Bending k- Impact strength I - I I Heat treatment I - - - - Characteristics Stress Elongation Rupture stress Elongation at rupture I - I 8.1 I Test sample(s) _ aa MPa - a yo - OR MPa - A % -
25、 I - 8.2 I Test piece(s) I 27 I I 8.3 I Heat treatment Notes (see line 98) 9 I Dimensions concerned I mm I I I I Thickness of cladding on yo each face I 14 IT I Strength I Rm IMPal - I 15 I I Elongation I A I % I - - 16 17 18 19 20 - - - I Temperature I 0 I “C I - I Time lhl - Page 5 EN 3953:2001 kt
26、ernal defects hermal analysis Differential thermal analysis) Yettability Fusion test) 3atch uniformity Material verification) I Marking inspection Notes Typical use - See EN 3875 - See EN 3875 7 Liquidus: 855 “C Solidus: 720 OC - See EN 3875 - See EN 3875 See EN 3875 See EN 3875 *) p.p.m. Joining ca
27、rbon, low alloy and austenitic steels. 1 Page 6 EN 3953:2001 roduct qualification See EN 2043 ;lualification programme to be agreed between manufacturer and purchaser. a O a a BS EN 3953:2001 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution 3SI is the independent national
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