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    AECMA PREN 2069-2-1994 Inspection and Testing Requirements for Steel Wrought Products Part 2 Inspection and Testing Requirements for Sheets Strips and Plates Aerospace Series Editi.pdf

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    AECMA PREN 2069-2-1994 Inspection and Testing Requirements for Steel Wrought Products Part 2 Inspection and Testing Requirements for Sheets Strips and Plates Aerospace Series Editi.pdf

    1、STD*AECflA PREN 2Rb7-2-ENGL 1994 I 3032333 00Lbb07 417 Declassification approved 1994-04-29 AECMA STANDARD NORME AECMA AECMA NORM The equivalent versions in French and German languages can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau 92138 ISCY - LES - MOULINEAUX CEDEX -

    2、 FRANCE prEN 2069-2 Edition 2 April 1994 EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATRIEL AEROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 Supersedes Edition 1 August 1980 ENGLISH VERSION INSPECTION AND TESTING REQUIREME

    3、NTS FOR STEEL WROUGHT PRODUCTS PART 2 INSPECTION AND TESTING REQUIREMENTS FOR SHEETS, STRIPS AND PLATES AEROSPACE SERIES CONDITIONS DE CONTRLE ET DESSAI LUFT-UND RAUMFAHRT DES PRODUITS CORROYS EN ACIERS PARTIE 2 - CONTRLES ET ESSAIS SUR TLES, BANDES ET PLAQUES SRIE AROSPATIALE KONTROLL-UND PRFFORDER

    4、UNGEN FR KNET-HALBZEUGE AUS STAHL TEIL 2 - KONTROLL-UND PRFFORDERUNGEN FR BLECHE, BNDER UND PLATTEN drawn up under the responsibili eurs de Matriel Arospatial) and has been circula Officiai Services to CEN. it is published on ive, under the same presentation and Replace page 1 of the previous editio

    5、n by this page Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-r- CONTENTS O INTRODUCTION 1 SCOPE AND FIELD OF APPLICATION 2 REFERENCES 3 MECHANICAL TE

    6、STS ON PRODUCTS BEFORE DELIVEXY 4 TESTS SPECIFIC TO CERTAIN CATEGORIES OF MATERIAL 5 DIMENSIONS, TOLERANCES AND SURFACE DEFECTS 6 WKNG Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitt

    7、ed without license from IHS-,-,-AECMA PREN2067-02 0 U 10123Ll O001770 2 U * piEH2069-2 Page 3 DRAFT EUROPEAN STANDARD AEROSPACE SERIES pr EN2069-2 INSPECTION AND TESTING REQUIREMENTS FOR STEEL WROUGHT PRODUCTS PART 2 - INSPECTION AND TESTING REQUIREMENTS FOR SHEETS, STRIPS AND PLATES O INTRODUCTION

    8、The general requirements for inspection and testing of wrought products in steels are given in EN2069-1. 1 SCOPE AND FIELD OF APPLICATION This standard cpecfries the inspection and testing requirements for sheets, strips and plates in steels, used in aerospace construction. 0 I - 2 REFERENCES IS0 83

    9、-1976, Steel. CHARPY impact test (U-notch) EN2002-1, Test methods for metallic materials. Part 1 : room temperature EN2002-6, Test methods for metallic materials. Part 6 : bend test EN2002-7, EN2003-2, Test methods for steel products. Part 2 : IZOD impact test EN2069-1, tensile test 11 Test methods

    10、For metallic materials. Part 7 : hardness test 1 Inspection and testing requiremenrs for steel wrought products, Part 1 : general requirements. 3 MECHANICAL TESTS ON PRODUCTS BEFORE DELIVERY The frequency of testing is given by table 2 in this standard, 3.1 Selection of test pieces The direction of

    11、test pieces intended for mechanical tests are indicated in table 1. TABLE 1 Dimensions in millimetres I Test Tensile and Impact I Bend I I irection of axis of test piece relative I to final rolling direction Width of product I I 200 Perpendicular 2Q Parallel 2= 50 Perpendicular 50 Parallel i) in pre

    12、paration. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prZN2069-2 Page 4 3.2 Hardness test (see EN2002-7 The hardness test shall be undertaken only

    13、to check uniformity of the batch by comparison with the hardness test conducted on the tensile test piece, It shall be carried out by the BRINELL, ROCKWELL or VICKERS methods in accordance with the relevant material standard, All hardness tests on one batch shall be carried out by the same method. 3

    14、.3 Tensile test (See EN2002-1 The test pieces for tensile testing shall have the maximum standard crocs section compatible with the cross section of the product In general, this test is not required for sheet of thickness less than 0,5 mm. 3.4 impact test (See IS0 83 and EN2003-2) This test is appli

    15、ed only to products of thickness more than or equal to 12 mm. 3.5 Bend test The bend test is applied to test pieces taken from the same items as those which have been tensile tested. The mininium bending radii without cracking shall be those indicated by the material standards. Following agreement b

    16、etween the supplier and customer and stated in the test schedule or order, the bend test may replace the elongation maasurement for sheet and strip of thickness less than or equal to 0,5 mm, The requirements for this test and test pieces are specified in EN200-6 1.)- 4 TESTS SPECIFIC TO CERTAIN CATE

    17、GORIES OF MATERIAL 4.1 Decarburization Decarburization shall be checked according to the appropriate standard and i required by the test schedule, 4.2 Intergranular corrosior, This test is required or products in austenitic corrosion resisting steels as indicated in the material standards,. This tes

    18、t shall be carried out according to the appropriate standard, 4.3 Additional tests (See EN2069-1) Other checks or further tests may be carried out, provided that they are included in the test schedule following agreement between producer and customer. . . 1) in preparation Copyright Association Euro

    19、peene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- r - -7- r. / - - 7- prEN2069-2 Page 5 5 DIMENSIONS, TOLERANCES AM) SURFACE DEFECTS 5.1 These parameters shall be inspected at a

    20、rate of 100% and all surfaces examined, I The dimensions and tolerances shall conform to the standard for the product, The surface of the rolled products shall in general be clean, smooth and free from defects harmful for its use such as cracks, pitting, score marks, inclu- sions and incrustations.

    21、5.2 5.3 5,3.1 Hot rolled products Traces of scale shall not be a reason for rejection if descaling is not an order requirement. Local blending-out is authorised within the limit: of the dimensional tolerances. 5.3.2 Cold rolled products Cold rolled products (eg corrosion resisting steel sheets) shal

    22、l exhibit a surface free from traces of corrosion and score marks, 5.4 The use of a set of acceptable surface finishes presented by the producer and agreed by the customer is stsongy recommended. 6 MARKING In addition to the general requirements given in EN2069-1, marking of flat rolled products sha

    23、ll include the nominal thickness in millimetres rounded off to 1/10, Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEi.2069-2 Page. 6 I c o . .- w L

    24、 3 m 0 e B I o) C E E I M W C C O u t O c o w F f: 0 t; 2 r E o C t- L O L al a v I- t) C o) m I Cu +. O + O L O tl W al .c Lo U - .-. O U Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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