SIST EN 16914:2017

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aluminium und Aluminiumlegierungen - Warmgewalzte Panzerplatten aus schweißgeeigneter Aluminiumlegierung - Technische LieferbedingungenAluminium et alliage d'aluminium - Tôles en alliage d'aluminium soudable laminées à chaud pour blindage - Partie 1 : conditions techniques de livraisonAluminium and aluminium alloys - Hot-rolled armour plates in weldable aluminium alloy - Technical delivery conditions77.120.10Aluminij in aluminijeve zlitineAluminium and aluminium alloysICS:Ta slovenski standard je istoveten z:EN 16914:2017SIST EN 16914:2017en01-maj-2017SIST EN 16914:2017SLOVENSKI
STANDARD



SIST EN 16914:2017



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 16914
March
t r s y ICS
y yä s w rä s r English Version
Aluminium and aluminium alloys æ Hotærolled armour plates in weldable aluminium alloy æ Technical delivery conditions Aluminium et alliages d 5aluminium æ Tôles en alliage d 5aluminium soudable laminßes à chaud pour blindage æ Conditions techniques de livraison
Aluminium und Aluminiumlegierungen æ Warmgewalzte Panzerplatten aus schweißgeeigneter Aluminiumlegierung æ Technische LieferbedingungenThis European Standard was approved by CEN on
s x January
t r s yä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
9
t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s x { s vã t r s y ESIST EN 16914:2017



EN 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 composition . 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 corrosion . 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 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 document . 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 SIST EN 16914:2017



EN 16914:2017 (E) 3 10 Marking, labelling, packaging . 12 Annex A (normative)
Stress corrosion test . 13 A.1 General . 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.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
SIST EN 16914:2017



EN 16914:2017 (E) 4 European foreword This document (EN 16914:2017) has been prepared by Technical 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 standards 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 Regulations, 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, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
SIST EN 16914:2017



EN 16914:2017 (E) 5 1 Scope This European Standard specifies the technical delivery conditions relating to armour 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 application. 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 485-3, 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 6892-1:2016) 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 a See 5.2 T651 ARAL2 Aluminium alloy for armour b See 5.2 H13X c a ARAL1 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. b ARAL2 aluminium alloy shall have an EN AW-5083 type chemical composition and the mechanical characteristics described in the different parts of standard in the relevant standards. c
According 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 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; SIST EN 16914:2017



EN 16914:2017 (E) 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 required: 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 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 stated 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, 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.
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 SIST EN 16914:2017



EN 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 chemical composition. The chemical composition shall be determined accordin
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