BS EN 3940-1998 Nickel base alloy NI-B46001 (NiCo20Si5B3) - Filler metal for brazing - Tape《镍基合金NI-B46001(NiCo20Si5B3) 铜焊用填充金属 带材》.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BS EN 3940:1998 Nickel base alloy NI-B46001 (NiCo20Si5B3) Filler metal for brazing Tape The European Standard EN 3940:1998 has the status of a British Standard ICS 49.025.99BSEN3940:1998 This British Standard, having been prepared under the direction of the Engineer

2、ing Sector Board, was published under the authority of the Standards Board and comes into effect on 15 July 1998 BSI 04-1999 ISBN 0 580 30130 3 National foreword This British Standard is the English language version of EN3940:1998. The UK participation in its preparation was entrusted to Technical C

3、ommittee ACE/61, Inspection and testing requirements for aerospace metallic materials, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK inte

4、rests 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 secretary. Cross-references The British Standards which implement international or European publications refe

5、rred 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 Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a

6、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. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 t

7、o 6 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No. Date CommentsBSEN3940:1998 BSI 04-1999 i Contents Page National fo

8、reword Inside front cover Foreword 2 Text of EN 3940 3ii blankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN3940 April1998 ICS49.025.99 Descriptors: Aircraft industry, filler metals, brazing, nickel alloys, powdery materials, strips, designation, chemical compostion, delivery condition, charac

9、teristics, specifications English version Aerospace series Nickel base alloy NI-B46001 (NiCo20Si5B3) Filler metal for brazing Tape Srie arospatiale Alliage base nickel NI-B46001 (NiCo20Si5B3) Mtal dapport de brasage Feuillard de poudre agglomre Luft- und Raumfahrt Nickelbasislegierung NI-B46001 (NiC

10、o20Si5B3) Hartlot in Form von Band This European Standard was approved by CEN on 17 December 1997. 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-t

11、o-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat 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

12、 the responsibility of a CEN member into its own language and notified to the Central Secretariat 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, Luxem

13、bourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1998 CEN All rights of exploitation in any form and b

14、y any means reserved worldwide for CEN national Members. Ref. No. EN 3940:1998 EEN3940:1998 BSI 04-1999 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this Assoc

15、iation, this Standard has successively 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 of an identical text

16、or by endorsement, at the latest by October 1998, and conflicting national standards shall be withdrawn at the latest by October1998. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Aust

17、ria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 0 Introduction 3 1 Scope 3 2 Normative references 3EN3940:1998 BSI 04-1999 3 0 I

18、ntroduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is described in EN4258. This standard has been prepared in accordance with EN4500-6. 1 Scope This standard specifies the requirements relating to: Nic

19、kel base alloy NI-B46001 (NiCo20Si5B3) Filler metal for brazing Tape 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

20、 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 in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN

21、 2043, Aerospace series Metallic materials General requirements for semi-finished product qualification (excluding forgings and castings) 1) . EN 3875, Aerospace series Metallic materials Filler metal for brazing Technical specification 1) . EN 3939, Aerospace series Nickel base alloy NI-B46001 (NiC

22、o20Si5B3) Filler metal for brazing Powder or paste 1) . EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN standards and their use 1) . EN 4500-6, Aerospace series Metallic materials Rules for drafting and presentation of material standards

23、 Part 6: Specific rules for filler metals for brazing 1) . 1) Published as AECMA Prestandard at the date of publication of this standardEN3940:1998 4 BSI 04-1999 1 Material designation Nickel base braze alloy NI-B46001 (NiCo20Si5B3) 2 Chemical composition 1) % Element C Si P S B Co Fe Al Se Ti Zr Ot

24、hers Ni Total min. 4,0 2,75 18,0 Base max. 0,06 5,0 0,02 0,02 3,15 22,0 1,5 0,05 50*) 0,05 0,05 0,05 3 Method of melting Air or inert gas or vacuum melted 4.1 Form Tape 4.2 Method of production Produced from powder EN 3939 4.3 Limit dimension(s) mm 5 Technical specification EN 3875 6.1 Delivery cond

25、ition As manufactured Heat treatment 6.2 Delivery condition code U 7 Use condition Delivery condition Heat treatment Characteristics 8.1 Test sample(s) 8.2 Test piece(s) 8.3 Heat treatment 9 Dimensions concerned mm 10 Thickness of cladding on each face % 11 Direction of test piece 12 Temperature C 1

26、3 Proof stress R p0,2 MPa 14 T Strength R m MPa 15 Elongation A % 16 Reduction of area Z % 17 Hardness 18 Shear strength R c MPa 19 Bending k 20 Impact strength 21 Temperature C 22 Time h 23 Stress B a MPa 24 C Elongation a % 25 Rupture stress B R MPa 26 Elongation at rupture A % 27 Notes (see line

27、98) *) 1)EN3940:1998 BSI 04-1999 544 External defects See EN 3875 53 Thermal analysis (Differential thermal analysis) See EN 3875 7 Liquidus: 1 060 C Solidus: 970 C 76 Wettability (Fusion test) See EN 3875 77 Mass per unit area See EN 3875 78 Metallic alloy content See EN 3875 7 $ 91% 82 Batch unifo

28、rmity (Material verification) See EN 3875 95 Marking inspection See EN 3875 96 Dimensional inspection See EN 3875 98 Notes *) p.p.m. 1) The chemical composition refers to the metallic alloy content. 99 Typical use Joining stainless steel, nickel and cobalt base alloys.EN3940:1998 6 BSI 04-1999 100 P

29、roduct qualification See EN 2043 Qualification programme to be agreed between manufacturer and purchaser.blankBS EN 3940:1998 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK vi

30、ew on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the

31、 quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. Fax:02089967400.

32、 BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel:02089969001. Fax:0

33、2089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and internationa

34、l standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subscribing members of BSI are kept up to

35、 date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in

36、the UK, of the publications of the internationalstandardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without

37、 prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.

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