1、AECMA STANDARD NORME AECMA AECMA NORM Withdrawal approved 2001 -09-28 prEN 3930 Edition P 3 September 2001 Comments should be sent within six months after the date of publication to Gulledelle 94 Material Domain Mr Evettc AECMA-STAN 6-1200 BRUXELLES PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE
2、 INDUSTRIES - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 i 1 Supersedes edition P 2 May 1995 ICs: Descriptors: ENGLISH VERSION Aerospace series Nickel base alloy NI-B31 O01 Filler metal for brazing Powder or paste Srie arospatiale All
3、iage base nickel NI-B31001 Mtal dapport de brasage Poudre ou pte Luft- und Raumfahrt Nickelbasislegierung NI-B31001 Hartlot in Form von Pulver oder Paste Subsequent to the publication of extent that interchangeability is After examinati shall not be changed to an hout re-identification of the reemen
4、t of AECMA-STAN it will be submitted as a Replace page 1 of the previous edition by this page 1 Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISCY-LES-MOULINEAUX CEDEX AECIA PRENa3930 95 .II LOL23LL 0008572 25Y ia Page 3 . prEN 3930 : 1995
5、! i Y I O Introduction For the use of this standard, see EN 2500-6. 1 Scope This standard specifies the requirements relating to nickel base braze filler metal Nt-B31 O01 in powder or paste form for aerospace applications. 2 Normative references This Standard incorporates by dated or undated referen
6、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 Standard only when incorporated in it by
7、 amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2500-6 Aerospace series - Instructions for the drafting and use of metallic material standards - Part 6 : Specific requirements for braze alloys 1) EN 3875 Aerospace series - Braze alloys - T
8、echnical specification 1) 1) In preparation at the date of publication of this standard Previous page IS blank AECMA PRENx3930 95 0 LOLC?3LL 0008573 190 0 Page 4 prEN 3930 : 1995 Material designation Element Chemical Nickel base braze alloy NI4331001 C Si P S Cr AI B Co Fe Se Ti Zr Others Ni - 9,75
9、- 18,5 - Total - - - - - - - - Base 3,lO 10,5 0,02 0,02 19,5 0,05 0,03 0,lO 0,5 50) 0,05 0,05 0.05 % 1) Method of melting Air or inert gas or vacuum melted Form Met hod of product ion Limit dimensions mm) Powder Paste I Water or inert gas atomised and sieved Water or inert gas atomised and sieved an
10、d mixed with a binder 5.1 Technical specification EN 3875 5.2 Dimensional standards 6.1 Delivery condition and heat treatment As manufactured - As manufactured - 6.2 Delivery condition code Use condition and heat treatment U Delivery condition or mixed with a binder U Delivery condition Characterist
11、ics Sample - Test piece Heat treatment - - Dimensions concerned mm - on each face Thickness of cladding yo - Direction of test piece - I Temperature I 8 OC I - 1 Proof stress 1;: T Strength 1 liogation I ; Reduction of SI Hardness I- Shear strength Rc MPa - ri ,i, U, Bending k- - Impact strength hI
12、I stress I Ga MPa I - C Elongation la Rupture stress I A Elongation at rupture Notes (see line 981 I *) 1) AECMA PREN83930 95 W 10123LL 0008574 027 U Powder Page 5 prEN 3930 : 1995 Paste External defects Powder - Thermal analysis (Differential thermal analysis) Paste 84 % 5 Metallic alloy content 5
13、90 I Wettability (fusion test) Metallic alloy content Particle size (Sieve analysis) Designation Notes Typical use - See EN 3876 I See EN 3876 Liquidus : 1136OC Solidus : 1080 OC See EN 3875 *) p.p.m. 1) The chemical composition refers to the metallic alloy content. Joining nickel and cobalt base heat resisting alloys
