1、BS EN 16914:2017Aluminium and aluminiumalloys Hot-rolled armourplates in weldable aluminiumalloy Technical deliveryconditionsBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 16914:2017 BRITISH STANDARDNational forewordThis British Standard is the UK implementati
2、on of EN 16914:2017. The UK participation in its preparation was entrusted to TechnicalCommittee NFE/35, Light metals and their alloys.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary prov
3、isions of a contract. Users are responsible for its correct application. The British Standards Institution 2017.Published by BSI Standards Limited 2017ISBN 978 0 580 91009 8 ICS 77.150.10 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was publi
4、shed under the authority of the Standards Policy and Strategy Committee on 31 March 2017.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 16914:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16914 March 2017 ICS 77.150.10 English Version Aluminium and alumini
5、um alloys - Hot-rolled armour plates in weldable aluminium alloy - Technical delivery conditions Aluminium et alliages daluminium - Tles en alliage daluminium soudable lamines chaud pour blindage - Conditions techniques de livraison Aluminium und Aluminiumlegierungen - Warmgewalzte Panzerplatten aus
6、 schweigeeigneter Aluminiumlegierung - Technische LieferbedingungenThis European Standard was approved by CEN on 16 January 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standa
7、rd without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any
8、 other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Repub
9、lic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. E
10、UROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16914:2017 EB
11、S EN 16914:2017EN 16914:2017 (E) 2 Contents Page European foreword . 4 1 Scope 5 2 Normative references 5 3 Designation 5 Table 1 Categories . 5 4 Information to be provided by the purchaser 5 4.1 Mandatory information (tenders and orders) . 5 4.2 Options 6 5 Requirements . 6 5.1 Chemical compositio
12、n . 6 Table 2 Chemical composition for analysis from melt, in weight-% (ARAL1) . 6 Table 3 Chemical composition for analysis from melt, in weight-% (ARAL2) . 6 5.2 Mechanical characteristics 7 Table 4 Mechanical characteristics ARAL1 . 7 Table 5 Mechanical characteristics ARAL2 7 5.3 Stress corrosio
13、n . 7 5.4 Absence of defects . 7 5.5 Quality of the edges 7 5.6 Ballistic performance 8 6 Geometrical characteristics and tolerances 8 6.1 Nominal dimension 8 6.2 Tolerances on nominal dimensions and flatness 8 6.2.1 Thickness . 8 6.2.2 Width . 8 6.2.3 Length 8 6.2.4 Flatness . 8 7 Inspections 8 7.1
14、 Quality management 8 7.2 Sampling and testing 9 7.3 Inspection lot definition for mechanical testing 9 7.4 Inspection lot definition for ballistic testing on ARAL1 9 7.5 Type and number of tests to be performed . 9 7.6 Compliance of the inspection lot 10 7.7 Counter-tests . 10 7.8 Inspection docume
15、nt 10 8 Sample and test piece preparation 11 9 Test methods . 11 9.1 Chemical analysis . 11 9.2 Tensile test . 11 9.3 Stress corrosion test . 11 9.4 Ballistic testing 11 BS EN 16914:2017EN 16914:2017 (E) 3 10 Marking, labelling, packaging 12 Annex A (normative) Stress corrosion test 13 A.1 General .
16、 13 A.2 Sampling of test pieces . 13 Figure A.1 Test piece for stress corrosion test 13 A.3 Forms and dimensions of the test pieces . 13 Figure A.2 Forms and dimensions of the test pieces . 14 A.4 Test piece preparation 14 A.4.1 Machining and surface preparation . 14 A.4.2 Calculation formula . 14 A
17、.5 Operating procedure . 15 Figure A.3 Protection against crevice corrosion and by galvanic effects 15 A.6 Testing conditions 16 A.7 Interpretation of the results . 16 Bibliography . 17 BS EN 16914:2017EN 16914:2017 (E) 4 European foreword This document (EN 16914:2017) has been prepared by Technical
18、 Committee CEN/TC 132 “Aluminium and aluminium alloys”, the secretariat of which is held by AFNOR. 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 September 2017, and conflicting national standard
19、s shall be withdrawn at the latest by September 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulatio
20、ns, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
21、 Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16914:2017EN 16914:2017 (E) 5 1 Scope This European Standard specifies the technical delivery conditions relating to arm
22、our plates in weldable aluminium alloy with a nominal thickness between 10 mm and 70 mm. For thickness below 10 mm, other specifications may be applied. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its appl
23、ication. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 485-1, Aluminium and aluminium alloys - Sheet, strip and plate - Part 1: Technical conditions for inspection and delivery EN 485
24、-3, Aluminium and aluminium alloys - Sheet, strip and plate - Part 3: Tolerances on dimensions and form for hot-rolled products EN 10204, Metallic products - Types of inspection documents EN ISO 6892-1, Metallic materials - Tensile testing - Part 1: Method of test at room temperature (ISO 6892-1:201
25、6) 3 Designation The aluminium alloys concerned by this document are designated in accordance with the categories listed in Table 1 below: Table 1 Categories Category Characteristics Mechanical characteristics Temper ARAL1 Aluminium alloy for armour aSee 5.2 T651 ARAL2 Aluminium alloy for armour bSe
26、e 5.2 H13X caARAL1 aluminium alloy shall have an EN AW-7020 type chemical composition and the mechanical, ballistic and strength characteristics described in the different parts of standard in the relevant standards. bARAL2 aluminium alloy shall have an EN AW-5083 type chemical composition and the m
27、echanical characteristics described in the different parts of standard in the relevant standards. cAccording to EN 515 or as agreed between supplier and purchaser. 4 Information to be provided by the purchaser 4.1 Mandatory information (tenders and orders) The following information shall be provided
28、 by the purchaser at the time of the call for tenders and of the order: a) form and nature of the product: 1) the designation of the aluminium or aluminium alloy, in accordance with Table 1, specifying the temper for ARAL2; b) the reference to this European Standard; BS EN 16914:2017EN 16914:2017 (E
29、) 6 c) the nominal dimensions and form of the product: 1) thickness; 2) width; 3) length (in the rolling direction): At each order, the rolling direction shall be specified. Unless otherwise specified, the longest dimension shall be the length; d) the form and dimension tolerances; e) quantity requi
30、red: number of pieces, and the applicable quantity tolerance; f) all requests for inspection documents; g) all special requirements agreed upon between the supplier and the customer; h) the applicable standard for ballistic testing, unless otherwise specified. 4.2 Options When specified, the options
31、 specified in this document are listed below: a) determination of the chemical composition of the product (see 5.1); b) the acceptance according to the requirements in this document shall be supervised by an external inspection organization; the name of this organization shall then be explicitly sta
32、ted at the time of the order; These options shall be specified at the time of placing the order. 5 Requirements 5.1 Chemical composition The chemical composition of the alloy shall be within the ranges for chemistry specified in Table 2 or Table 3: Table 2 Chemical composition for analysis from melt
33、, in weight-% (ARAL1) Si Fe Cu Mn Mg Cr Zn Zr Zr + Ti Al Other Each Total Min. 0,10 0,05 1,0 0,10 4,0 0,08 0,08 remainder Max. 0,35 0,40 0,20 0,50 1,4 0,35 5,0 0,20 0,25 0,05 0,15 Table 3 Chemical composition for analysis from melt, in weight-% (ARAL2) Si Fe Cu Mn Mg Cr Zn Ti Al Other Each Total Min
34、. 0,40 4,0 0,05 remainder Max. 0,40 0,40 0,10 1 4,9 0,25 0,25 0,15 0,05 0,15 BS EN 16914:2017EN 16914:2017 (E) 7 If agreed between the supplier and the purchaser at the time of the call for tenders and of the order (see 4.2, option 1), the products delivered may be subjected to a determination of ch
35、emical composition. The chemical composition shall be determined according to the methods disclosed in EN 485-1 or a method to be agreed between supplier and purchaser. 5.2 Mechanical characteristics The tensile tests shall be performed in the longitudinal transverse direction (perpendicular to the
36、rolling direction) and the values shall fit within the ranges indicated in Table 4 or Table 5. Table 4 Mechanical characteristics ARAL1 At a temperature of + 20 C Tensile strength Yield strength Elongation after fracture RmRp0.2A % MPa MPa Min. 360 310 10 % Max. 440 390 Table 5 Mechanical characteri
37、stics ARAL2 At a temperature of + 20 C Tensile strength RmMPa Yield strength Rp0.2MPa Elongation after fracture A % Min. 315 245 9 % Max. 400 360 5.3 Stress corrosion In the case of ARAL1 plates with a thickness over 20 mm, intended for use in a mechanically-welded structure, a stress corrosion test
38、 shall be performed in accordance with Annex A. In the case of non-welded plates, this test is not required. This information shall be specified at the time of the call for tenders and of the order (see 4.2). 5.4 Absence of defects The surface quality of the plates shall be in accordance with the re
39、quirements in EN 485-1. 5.5 Quality of the edges The edges and ends of the plates shall be visually checked, and shall be free from delamination that could be detrimental to the welding. In case of doubt, a non-destructive test (NDT) shall be performed by the supplier; the choice of method is at the
40、 suppliers discretion. This absence of lamination shall be checked up to 100 mm from the edges. BS EN 16914:2017EN 16914:2017 (E) 8 5.6 Ballistic performance Unless otherwise specified, ballistic acceptance test is mandatory for materials confirmed according to this standard. Applicable references a
41、re disclosed in bibliography or shall be agreed between the supplier and the purchaser (see 4.1 item h). 6 Geometrical characteristics and tolerances 6.1 Nominal dimension The nominal dimensions (thickness, width, length) are specified by the purchaser at the time of the call for tenders and of the
42、order. 6.2 Tolerances on nominal dimensions and flatness 6.2.1 Thickness Unless agreed otherwise at the time of the call for tenders and of the order, and regardless of the widths and lengths of the plates, the thickness tolerances are defined as follows: ( ) 0, 01 0,5 / 2T+ (1) where T is the thick
43、ness of the plate. 6.2.2 Width Unless agreed otherwise at the time of the call for tenders and of the order, the tolerances on width shall be in accordance with the requirements of EN 485-3. 6.2.3 Length Unless agreed otherwise at the time of the call for tenders and of the order, the tolerances on
44、length shall be in accordance with the requirements of EN 485-3. 6.2.4 Flatness Unless agreed otherwise at the time of the call for tenders and of the order, the tolerances on flatness shall be in accordance with the requirements of EN 485-3. 7 Inspections 7.1 Quality management The original manufac
45、turer of plates covered by this specification should set up a quality management system in accordance with standard EN ISO 9001. Within his quality management system, the manufacturer shall keep an up-to-date procedure for verification of the requirements as specified in Clauses 7 to 9. BS EN 16914:
46、2017EN 16914:2017 (E) 9 7.2 Sampling and testing Unless agreed otherwise, sampling and testing are defined as follows: Lot definition for mechanical testing (see 7.3); Lot definition for ballistic testing on ARAL1 (see 7.4); Type and number of tests to be performed (see 7.5); Compliance of the lot (
47、see 7.6); Counter-test (see 7.7). 7.3 Inspection lot definition for mechanical testing The mass of inspection lot for mechanical testing shall be defined by the purchaser at the time of the call for tenders and of the order. In the absence of indications at the time of the call for tenders and of th
48、e order, the inspection lot for mechanical testing (or acceptance unit) is made up of plates of the same nominal thickness, from the same hot rolling ingot and subjected to the same heat treatment performed as a single batch using the same equipment. 7.4 Inspection lot definition for ballistic testi
49、ng on ARAL1 An inspection lot for ballistic testing is made up of plates of the same melt, of the same thickness, which have been subjected to the same heat treatment (same thermal cycle) performed with the same heat treatment equipment. Unless agreed otherwise at the time of the call for tenders and of the order, the mass of inspection lot for ballistic testing is limited to max 15 t. Inspection lots for ballistic testing from several melts are tolerated provided their composition remains within more restricted
