1、AECMA STANDARD NORME AECMA AECMA NORM Withdrawal approved 2001-09-28 prEN 3961 Edition P 2 September 2001 Comments should be sent within six months affer the date of publication to AECMA-STAN Mr Evettc Gulledeile 94 Material Domain 8-1200 BRUXELLES PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE
2、INDUSTRIES - STANDARDIZATION (AECMA-STAN) Guiledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 Supersedes edition P 1 January 1994 ICs: Descriptors: ENGLISH VERSION Aerospace series Gold base alloy AU-B40001 Filler metal for brazing Rolled foil Srie arospatiale Alliage
3、base or AU-B40001 Mtal dapport de brasage Feuillard lamin Luft- und Raumfahrt Goldbasislegierung AU-B40001 Hartlot in Form von gewalzter Folie needs of the European Aerospace Industry. It has been tech concerned Domain following member comments. Subsequent to the publication of this extent that inte
4、rchangeability is afie After examinati not be changed to an re-identification of the reement of AECMA-STAN it will be submitted as a I Replace page 1 of the previous edition by this page CEN PREN*39bL 94 3404589 0062524 3T0 prEN 3961 Page 3 O Introduction For the use of this standard, see EN 2500-6.
5、 1 Scope This standard specifies the requirements relating to gold base braze filler metal AU-B40001 in rolled foil form for aerospace applications. 2 Normative references EN 2500-6 Aerospace series - Instructions for the drafting and use of metallic material standards - Part 6 : Specific requiremen
6、ts for braze alloys 1) Aerospace series - Designation of metallic semi-finished products - Rules 2) Aerospace series - Braze alloys - Technical specification 1) Aerospace series - Dimensional standards for filler metals for brazing for rolled foil EN 2600 EN 3875 EN 4062 1) Previous page is blank 1)
7、 In preparation at the date of publication of this standard 2) Published as AECMA Prestandard at the date of publication of this standard CEN PREN*39bL 94 = 3404589 00b2525 237 prEN 3961 Page 4 Element Chemical composition min. max. % - 8 Ni AI P Ti Zr Others Au Total Base 17,5 - - - - - 18,5 10 *)
8、80 *) 20 “1 20 *) 0,15 - 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 - - - - - - - - - - - - - - - - - Form Gold base brazing alloy AU-B40001 Material designation I Rolled foil 5.1 Technical specification 5.2 Dimensional standards Air or inert gas or vacuum melted Method of melting I EN 387
9、5 EN 4062 6.1 Delivery condition Cold rolled and cleaned I Method of production As manufactured or annealed - I Limit dimensions (mm) 6.2 Delivery condition code Use condition and Heat treatment U Delivery condition - Characteristics - - CEN PREN*376L 74 W 3404587 0062526 173 - - prEN 3961 Page 5 See EN 3875 See EN 3875 External defects Thermal analysis (Differential thermal analysis) Wettability (fusion test) Designation Notes Typical use Eutectic : 950 OC 71 -I See EN 3875 See EN 2600 -I - I Joining nickel base alloys.
