1、r CEN EN*2127 92 3404589 0033472 365 = CEN European Committee for 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 2127 : 1992 E i i EUROPEAN STANDARD NORME EUR
2、OPENNE EUROPISCHE NORM EN 2127 September 1992 UDC 669.715-42:629.7 Descriptors: Aircraft industry, metal bars, metal sections, aluminium alloys, specifications, chemical composition, dimensions, characteristics English version Aerospace series Aluminium alloy AL-P7075-T735 11 Extruded bars and secti
3、ons a or D 5 100 mm Srie arospatiale Luft- und Raumfahrt Alliage daluminium AL-P7075-T73511 Barres et profils fils a ou D 5 100 mm Aluminiumlegierung AL-P7075-T735 11 StranggepreBte Stangen und Profile a oder D I 100 mm This European Standard was approved by CEN on 1992-03-09. GEN members are bound
4、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-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Cent
5、ral 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 Secretariat has the same status as
6、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. Foreword This European Standard has been prepared by
7、 the European Association 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
8、 its presentation to CEN. 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of an identical text or by endorsement, at the latest by March 1993, and conflicting national standards shall be withdrawn at the latest by March 1993.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 Comm
9、on CENXENELEC Rules the 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 ENx2L27 92 = 3404589 0033473
10、2TL = Page 2 EN 2127 : 1992 CEN ENx2127 92 3404589 0033474 138 Page 3 EN 2127 : 1992 O Introduction For the use of this standard, see EN 2500-2. 1 Scope This standard specifies the requirements relating to extruded bars and sections in aluminium alloy AL-P7075-, for use in the T73511 l) condition, a
11、 or D 5 100 mm, for aerospace applications. This standard may also be used to supply material in the T73510 or T6510 condition, if the purchaser specifies this condition on the order. In this case the designation of line 97 shall not be used. 2 References This European Standard incorporates by dated
12、 or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are iisted hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard on
13、ly when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2004-1 Aerospace series - Test methods for aluminium and aluminium alloy products - Part 1 - Determination of electrical conductivity of wrought aluminium alloys
14、2, EN 2047 Beaded L-section aluminium alloy extrusions - Dimensions - Aerospace series 2, EN 2048 L-section aluminium alloy extrusions - Dimensions - Aerospace series2) EN 2049 Channel section aluminium alloy extrusions - Dimensions - Aerospace series2) EN 2050 T-section aluminium alloy extrusions -
15、 Dimensions - Aerospace series 2, EN 2070-3 Aerospace series - Aluminium and aluminium alloy wrought products - Technical specification - Part 3 - Bars and sections EN 21 34 Round aluminium alloy bars - Dimensions - Aerospace series 2, EN 2341 Aluminium and aluminium alloy square and rectangular ext
16、ruded bars - Dimensions - Aerospace series EN 2500-2 Aerospace series - Instructions for the drafting and use of metallic material standards - Part 2 - Specific requirements for aluminium, aluminium alloys and magnesium alloys 3, EN 2600 Aerospace series - Designation of metallic semi-finished produ
17、cts - Rules 3). 1) Formerly incompletely designated as T7351 . 2) Published as AECMA standard at the date of publication of this standard. 3) Published as AECMA pre-standard at the date of publication of this standard EN 2127 : 1992 2 CEN ENJ2127 92 = 34,04589 0033475 074 chemical Element si Fe Cu M
18、n Mg Cr Zn Ti+Zr Ti Orhcn compoaition Each foul Ai 2,1 0,18 5.1 &U I min. 1.2 - mix. 0,40 0.50 2.0 0.30 2.9 0.28 6.1 0.25 0.20 0.05 0.15 I i 1 MatcMl designation I Aluminium alloy AL-PO75- 3 4 5 Method of melting Fonn Bin and reciions Mchd of production Ennided LIMt dimnaionr (mm) 5.1 Technical rpec
19、ification EN 2070-3 5.2 DUncIUiOnil RlndrfdS a or D S 100 EN 2047. EN 2048. EN 2049. EN 2050. EN 2134. EN 2341 6 6.1 Delivery condilion T6511 and hut treatment MOOC s e 470-c I WQ e s KIOC + 1 I S stretched S 3 I and minor nnightcning allovable + 105T S 8 4 12.5C I20 h d t S 30 h 6.2 Delivery condit
20、ion code P Tl3511 460 s e s4wc I WQ e s wc + 1 I S stretched S 3 % and minor nrriphiening allovabie + 10S.C S 8 d 125C / 6 h 5 t S 24 h + 172.C S 8 S 182C I5 h 5 t S 12 h U i 16 7 Uucondition and hut treatment 8 Sample Tem piece Hui treatment 9 Dimeniions concerned mm Thickncu of cladding on each fa
21、ce 73511 Delivery condition Delivery condiaion + 172C S 8 S182.C / 5 h S t S 12 h ChanCiefNiCS Usc condition: T735 I 1 20 a or D S 50 a S 10 i0 a S 20 50 a or D 5 75 75 a or D S 100 T Direction of ICI piece Tempenaire L Proof streu C M Pa M Pa I I Siren Eiongation Reduction Ambient iempenture 2400 2
22、 420 2 415 2 410 2 390 2 470 2 485 2 485 2 475 2 470 2 8 ) 28 28 28 27 18 19 Shclrarenfl Rc MPa Bending k- C I Stress MPs 25 26 27 _. Rupture stress R MPa Elongation at A rupture Notes (sec line 98) 1) CEN ENx2127 92 9 3404589 003347b TOO 1 6 Page 5 EN 2127 : 1992 Se EN 2004-1 Measurement on specime
23、n for tensile test (fiat machined surf if necessary) iueu corrorion 3 6 uucnul defecu hich unifonnity aorD 2 20mm U 75% %.?min. Llt = 20d Designaiion 7 Noies Back end defects : see EN 2070-3 Set EN 2070-3 Typical use . 1 5 7 Set EN 2070-3 T65 11 T73511 Electrical conductivity y = 19 MS/m (typical va
24、lue) See EN 2070-3 - 7 6 = 5 20HB per product A = S 30 HB per batch 6 = S 20HB perproduct A = 4 30 HB per batch y 2 23,O MSlm 22.0 MSlm 5 y C 23.0 MSim y 22,O MSh 1 Acceptable Acceptable if L 5 GS2 m. L + 85 MPa or if y measured within 15 min of a re-solution treatment shows a loss of at least 3,5 MSlm from its initial value. Not acceptable otherwise. Not Pcceptable in case of dispute or Hardness I 150 HB (typical value) I 140 HB (typical value) For extmded bars, see Eh 2600. For extruded sections, see relevant drawing 1) or Aso mm 2 7 R
