1、i CEN EN*2128 92 = 3404589 0033477 947 EUROPEAN STANDARD EN 2128 NORMEEUROPENNE EUROPISCHE NORM September 1992 UDC: 669.715- 124-42: 629.7 Descriptors: Aircraft industry, metal bars, aluminium alloys, specifications, chemical composition, dimensions, characteristics English version Aerospace series
2、Aluminium alloy AL-P7075-T7351 Drawn bars 6 mm 5 a or D 5 75 mm Srie arospatiale Luft- und Raumfahrt Alliage daluminium AL-P7075-T7351 Barres tires 6 mm 4 a ou D I 75 mm Aluminiumlegierung AL-P7075-T735 1 Gezogene Stangen 6 mm I a oder D I 75 mm This European Standard was approved by CEN on 1992-03-
3、09. CEN members are bound to comply with the CENXENELEC 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 standards may be obtained o
4、n 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 the responsibility of a CEN member into its own language and notified to the Central Secretaria
5、t has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for
6、Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1992 Copyright reserved to CEN members Ref. Nr. EN 2128 : 1992 E I Page 2 EN 2128 : 1992 Foreword This European Standard has been prepared by the European Associat
7、ion of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this Association, 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 C
8、EN. 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of an identical text or by endorsement, at the latest by March 1993, and conflicting national standards shall be withdrawn at the latest by March 1993. In accordance with the Common CENKENELEC Rules th
9、e following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN EN*2L28 92 = 3404589 O033479 7LT H Page 3 EN 2128 :
10、 1992 O Introduction For the use of this standard, see EN 2500-2. 1 Scope This standard specifies the requirements relating to drawn bars in aluminium alloy AL-P7075-, for use in the T7351 condition, 6 mm ?c a or D 5 75 mm, for aerospace applications. 2 References This European Swidard incorporates
11、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, subsequent amendments to or revisions of any of these publications apply to this European Sta
12、ndard only when incorporated in it by amendment or revision. For undated references the latest edition u0 the publication referred to applies. EN 2004-1 EN 2044 EN 2045 EN 2046 EN 2070-3 EN 2500-2 EN 2600 Aerospace series - Test methods for aluminium and aluminium alloy products - Part 1 - Determina
13、tion of electrical conductivity of wrought aluminium alloys Round aluminium alloy bars - Drawn - Dimensions - Tolerance hl 1 - Aerospace series Square aluminium alloy bars - Drawn - Dimensions - Tolerance hl 1 - Aerospace series Hexagonal aluminium alloy bars - Drawn - Dimensions - Tolerance hl 1 -
14、Aerospace series l) Aerospace series - Aluminium and aluminium alloy wrought products - Technical specification - Part 3 - Bars and sections Aerospace series - Instructions for the drafting and use of metallic material standards - Part 2 - Specific requirements for aluminium, aluminium alloys and ma
15、gnesium alloys 2, Aerospace series - Designation of metallic semi-finished products - Rules 2), 1) Published as AECMA standard at the date of publication of this standard. 2) Published as AECMA pre-standard at the date of publication of this standard. Page 4 EN 2128 : 1992 i Micnal dcaiptuiion Alumi
16、nium alloy AL-P7075- 2 Chcmlcal Uemcni si Fe Cu Mn Mg Cr fn Ti+Zr Ti 0hCI-i compoiiiion Each Toul Ai , ku k min. 1.2 2,i 0,18 5.1 - mix. 0.40 0.50 2.0 0.30 2,9 0.28 6.1 0.25 0.20 0.05 0.15 3 Mcthcd of melting 4 Fonn Bar ethod of pduciion Drawn Limit dimensions mm) 6 SiorD S75 5 5.1 Technical apccifi
17、ciiion EN 2070-3 5.2 Dimeniionil rudarda EN 2014. EN 2WS. EN 2046 6.1 Dclivcry condition f65 i i735 1 and hui ireaimeni 460C s e s 470T I WQ e s 40.c 40.c s e s 470 I WQ e s 40T + IOST 5 e s 125 I 6 h s I S 24 h + 1 k $ airetched S 3 5 + I !6 S nrciched 5 3 % + 172C S 8 5 18?CI5 h 5 I S i2 h + IOST
18、e s 125*c I 20 h s 1 s 30 h 6.2 Delivery condiiion code P U UW condiiion n35 1 and hut truiment Delivery condition Delivery condiiion - + 172C 5 8 S 182C I5 h S i S 12 h Characiendcr 8 Simple 1 TCSI piece Heii truiment Urc condition: 77351 9 Dimensions concerned mrn 6 S aotD 5 75 i0 Thickness of cla
19、dding on 1 Z uch face 1 11 Direction of cci piece L i2 Tempcnturr 8 “C Ambieni icmpeniure 13 Proofrircaa Q.2 MPi 2 385 I di I 16 2 5 Rcduciion of area i7 Hardneu 19 I Bending l4.l 1 1 1 fcmpcniurc 8 C Time h 21 22 1 I 23 Sircsr 0, MPa 24 c Elongation I 5 IS Rupiurc sirers .OR hiPa I6 A - - - _- Uong
20、ation II mpiurr 27 Noics (MC iinc P) 1) J CEN EN*2128 92 3404589 0033483 338 1 Page 6 EN 2128 : 1992 - y 2 23,O MS/m Acceptable , 4 Acceptable if F$o,2L 5 %o,z min. L + 85 MPa or if y measured within 15 min of a re-solution treatment shows 2290 MS/m Y c 238 MS/m 3ccirical :onduciivity T65 1 Electric
21、al conductivity y = 19 MS/m (typical value) itm comaion Ti35 1 See EN 2070-3 Deripniiion Hardness Noies 150 HB (typical value) 6 S 20 HB per product 140 HB (typical value) 6 s 20 HB per product Typical UK Sa EN 2004-1 Measurement on specimen for tensile test (flat machined surface if necessary) a lo
22、ss of at least 3.5 MS/m from its initial value. Not acceptable otherwise. I Not acceptable y 22.0MSIm In case of dispute aorD 2 20mm _ u = 75% Rd.2 min. L / t = 20 d See EN 2070-3 Back end defects : see EN 2070-3 or 1 1 A S 30 HB per batch A 4 30 HB per batch See EN 2600 1) Aso mm for a or D S 10 mm
