EN 4400-2:2019

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.KQLþQHLuft- und Raumfahrt - Aluminium und Aluminium- und Magnesiumlegierungen - Technische Lieferbedingungen - Teil 2: Bleche und Bänder aus Aluminium und AluminiumlegierungenSérie aérospatiale - Aluminium et alliages d'aluminium et magnésium - Spécification technique - Partie 2: Tôles et bandes en aluminium et alliages d'aluminiumAerospace series - Aluminium and aluminium- and magnesium- alloys - Technical specification - Part 2: Aluminium and aluminium alloy sheet and strip77.150.10Aluminijski izdelkiAluminium products49.025.20AluminijAluminiumICS:Ta slovenski standard je istoveten z:EN 4400-2:2019SIST EN 4400-2:2019en,fr,de01-junij-2019SIST EN 4400-2:2019SLOVENSKI
STANDARDSIST EN 2070-2:2001SIST EN 2070-1:2001/A1:2001SIST EN 2070-1:20011DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4400-2
March
t r s { ICS
v {ä r t wä t r Supersedes EN
t r y ræ sã s { z {á EN
t r y ræ tã s { z {English Version
Aerospace series æ Aluminium and aluminiumæ and magnesiumæ alloys æ Technical specification æ Part
tã Aluminium and aluminium alloy sheet and strip Série aérospatiale æ Aluminium et alliages d 5aluminium et magnésium æ Spécification technique æ Partie
tã Tôleset bandes en aluminium et alliages d 5aluminium
Luftæ und Raumfahrt æ Aluminium und Aluminiumæ und Magnesiumlegierungen æ Technische Lieferbedingungen æ Teil
tã Bleche und Bänder aus Aluminium und Aluminiumlegierungen This European Standard was approved by CEN on
t z August
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:
Rue de la Science 23,
B-1040 Brussels
t r s { CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
v v r ræ tã t r s { ESIST EN 4400-2:2019

Page European foreword . 3 Introduction . 4 1 Scope . 4 2 Normative references . 4 3 Terms and definitions . 6 4 Wording of order . 7 5 Health and safety . 7 6 Technical requirements . 7
1) Published as ASD-STAN Prestandard at the date of publication of this standard by AeroSpace and Defence industries Association of Europe - Standardization (ASD-STAN) , http://www.asd-stan.org SIST EN 4400-2:2019

Maximum 100 sheets a Except in the case of very large seamless coils ≥ 3 000 kg; where the batch shall be a single coil. 3.2 controlled stretching stretching performed after solution heat treatment and quenching for the purpose of reducing internal stresses and/or deviation from flatness Note 1 to entry: The stretching is defined by a minimum and maximum permanent elongation stated in the material standard. Note 2 to entry: In certain cases controlled stretching is also critical to the achievement of mechanical properties.
2) Published as ASD-STAN Technical Report at the date of publication of this standard by AeroSpace and Defence industries Association of Europe - Standardization (ASD-STAN) (www.asd-stan.org) SIST EN 4400-2:2019

Table 1 — Technical requirements for lines 1 to 29, where appropriate (1 of 8) Material standard line reference Requirements Frequency of testing Qualification phase Release No. Title Starting Intermediate 1 Material designation See EN 2032-001. −
2 Chemical composition The test samples used for chemical analysis shall be representative of the product and may be taken from the molten metal. Any subsequent analytical checks taken from the solid product shall take into consideration the heterogeneity normal to the alloy. The method of chemical analysis shall be at the discretion of the manufacturer unless otherwise stated in the material standard or order. In cases of dispute, the method of chemical analysis shall be agreed between the manufacturer and purchaser. The measured chemical composition shall meet the requirements of the material standard and shall be stated in the inspection and test report. 1 (one) per cast 1 (one) per cast 1 (one) per cast 3 Method of melting At the discretion of the manufacturer or unless otherwise stated in the material standard. −
4.1 Form Sheet or strip
4.2 Method of production Rolling The product shall satisfy the requirements of the relevant material standard and this technical specification. The manufacturer shall define the raw materials, processes and inspection requirements in a manufacturing schedule in accordance with EN 2078 and EN 9133. The manufacturer shall make this available to the purchaser upon request. Changes to any manufacturing schedule agreed during qualification and which may adversely affect the quality of the product shall be advised by the manufacturer and shall be subject to written approval from the purchaser. Each product shall be traceable to the cast, production batch and/or heat treatment batch at all stages of manufacture, testing and delivery. −
4.3 Limit dimension(s) Minimum and/or maximum size of the product expressed as nominal thickness, a. See also line 96. −
5 Technical specification Reference to this technical specification EN 4400-2. In cases of conflict, the requirements of the material standard shall take precedence over those of this technical specification. See also EN 4258.
Table 1 — Technical requirements for lines 1 to 29, where appropriate (2 of 8) Material standard line reference Requirements Frequency of testing Qualification phase Release No. Title Starting Intermediate 6.1 Delivery condition (1 of 2) The product shall be supplied in the delivery condition specified in this line in the material standard and/or as stated on the order. When required, semi-finished product designations shall conform to the requirements of the order. −
Marking: Sheet: The method of marking used shall not cause corrosion, crack initiation, contamination or unacceptable deformation. The marking shall remain permanently visible after handling and contact with protective products Unless otherwise specified, the nature and colour of marking ink and type of marking characters shall be left to the discretion of the manufacturer. The marking inks shall be removable with cleaning products which do not leave a residue which could affect further processing. The cleaning products shall not give rise to corrosion. All products shall be marked legibly as indicated in the following table. Additional marking shall be agreed between the manufacturer and purchaser and stated on the order.
Continuous marking a (Ink or similar product) End marking b (Ink or similar product)
Material standard Dimensional standard Delivery condition and code Manufacturer and plant identification Nominal product thickness. The following shall be marked in 1 (one) corner of each product: • batch number; • product number; • inspection stamp.
a All indications shall be visible on any separate piece of product of 300 mm x 300 mm. b If required by the purchaser and specified on the order.
Table 1 — Technical requirements for lines 1 to 29, where appropriate (3 of 8) Material standard line reference Requirements Frequency of testing Qualification phase Release No. Title Starting Intermediate 6.1 Delivery condition (2 of 2) Strip: Each coil of product shall have attached a durable label indelibly marked with the information shown in the above table. Preservation: Unless otherwise agreed and stated on the order, the product shall be delivered with corrosion protection. The type of corrosion protection shall be agreed between the purchaser and manufacturer. Packing: All necessary precautions shall be taken to prevent damage to, or corrosion of the product. The packing shall be suitable for the type of transportation used. The exterior of the packing shall bear the following information: • name and address of recipient,
• mass, • order number and sufficient information to enable the contents to be related to the relevant documentation. Shipment: The responsibility for shipping shall be detailed in a transport contract. – – –
Heat treatment (1 of 2) Thermal and/or thermomechanical operations shall be applied to the product as specified in the material standard and are listed in the same order as they are applied. Abbreviations and symbols used in the material standard are shown in the following table: all other terms are written in full. −
Term Abbreviation/Symbol Term Abbreviation/Symbol
temperature θ minute min
time t second s
day d water quench WQ
hour h air cool AC
Unless otherwise specified, heat treatment facilities shall conform to EN 4268. If a specific temperature (value and tolerance) and time are stated in the material standard or order, these parameters shall be mandatory. If a temperature range is stated, a temperature within that range, reduced by the tolerances of the furnace, shall be selected. The charge shall be maintained at the temperature selected, subject to the furnace tolerances in the following table, for the period stated in the material standard:
Table 1 — Technical requirements for lines 1 to 29, where appropriate (4 of 8) Material standard line reference Requirements Frequency of testing Qualification phase Release No. Title Starting Intermediate 6.1 Heat treatment (2 of 2)
– – –
Heat treatment Temperature range specified in material standard Maximum tolerance (°C)
Solution heat treatment ≥ 10 °C r 5
Artificial ageing t 10 °C r 5
10 °C r 3
When the duration of the treatment stage is stated as a range, a time within that range shall be selected. When the duration is not specified, it shall be at the discretion of the manufacturer. Where "ramping" to the treatment temperature is allowed in the material standard and is used, this shall be stated in the inspection and test report. Where controlled stretching, performed after solution heat treatment is required, this is defined as a stage within the heat treatment. A permanent elongation within the range stated in the material standard shall be selected. Further straightening and/or flattening operations following controlled stretching are not permitted unless agreed between the manufacturer and purchaser.
6.2 Delivery condition code See EN 2032-2. −
Table 1 — Technical requirements for lines 1 to 29, where appropriate (5 of 8) Material standard line reference Requirements Frequency of testing Qualification phase Release No. Title Starting Intermediate 7 Use condition The use condition or temper of the product is stated in the material standard. −
Heat treatment x If the delivery condition is the use condition, no further heat treatment shall be applied to the product. • If the delivery condition is not the use condition, the product shall be subject to heat treatment(s) in the same order as those specified in the material standard. Abbreviations and symbols used in the material standard are shown in the following table: all other terms are written in full. −
Term Abbreviation/Symbol Term Abbreviation/Symbol
temperature θ minute min
time t second s
day d water quench WQ
hour h air cool AC
Unless otherwise specified, heat treatment facilities and procedures shall conform to EN 4268. If a specific temperature (value and tolerance) and time are stated in the material standard or order, these parameters shall be mandatory. If a temperature range is stated, a temperature within that range, reduced by the tolerances of the furnace, shall be selected. The charge shall be maintained at the temperature selected, subject to the furnace tolerances in the following table, for the period stated in the material standard:
Heat treatment Temperature range specified in material standard Maximum tolerance (°C)
Solution heat treatment ≥ 10 °C r 5
Artificial ageing t 10 °C r 5
10 °C r 3
When the duration of the treatment stage is stated as a range, a time within that range shall be selected. When the duration is not specified, it shall be at the discretion of the manufacturer / body carrying out the heat treatment. Where "ramping" to the heat treatment temperature is allowed in the material standard and is used, this shall be stated on the inspection and test report. Where the use condition is not the delivery condition the inspection and test report shall detail the heat treatment applied to the test samples representing the use condition: see line 8.3.
Table 1 — Technical requirements for lines 1 to 29, where appropriate (6 of 8) Material standard line reference Requirements Frequency of testing Qualification phase Release No. Title Starting Intermediate 8.1 Test sample(s) This line relates to test samples for the tests defined in lines 12 to 16. Test samples shall be selected such that they are clear of any stretcher jaw marks. Test samples shall not be worked after removal from the product they represent, excepting any necessary straightening / flattening of samples from coil. Test samples and associated test pieces and test specimens shall be identified in such a manner that their orientation with respect to the product and traceability to the batch is maintained. Where the product is supplied in the use condition and hardness and/or electrical conductivity testing is used for batch uniformity assessment, see line 82, then such testing shall be carried out prior to selection of the tensile test sample(s). In such cases the product(s) showing the lowest hardness and/ or highest electrical conductivity values shall be selected for tensile testing. Where electrical conductivity measurements (line 32) are used as an indirect assessment of resistance to exfoliation corrosion, such measurements shall be made on the test sample(s) selected for tensile testing. −
8.2 Test piece(s) This line relates to test pieces for the tests defined in lines 12 to 16. Test pieces shall be machined from the test samples taken in accordance with the requirements of line 8.1 of this technical specification. Test pieces shall be in the heat treatment condition of the test samples from which they are taken, that is, no further heat treatment shall be carried out. Test piece type and dimensions shall be as specified for the appropriate test/line number in the material standard and/or this technical specification and/or test method. Test pieces shall be flat and of full product thickness. – – – 8.3 Heat treatment If the delivery condition is not the use condition, the test samples shall be subject to heat treatment as specified in line 7 of the material standard. If the delivery condition is the use condition, no further heat treatment shall be applied to the test samples. −
9 Dimensions concerned Nominal thickness, a, of the product to which the properties, in lines 11 to 26 of the material standard relate. −
Table 1 — Technical requirements for lines 1 to 29, where appropriate (7 of 8) Material standard line reference Requirements Frequency of testing Qualification phase Release No. Title Starting Intermediate 10 Thickness of cladding on each face If applicable, measurement shall be carried out in accordance with EN 2007. 3 (three) specimens per batch 2 (two) specimens per batch 2 (two) specimens per batch. Subject to agreement from the purchaser,
the "capability clause" may apply. 11 Direction of test piece As specified in the material standard and relates to the direction of the test piece used for tensile testing. −
Tensile test Lines 12 to 16
12 Temperature T °C As specified in the material standard and relates to the temperature at which the tensile tests are carried out. −
13 Proof stress Rp0,2 MPa Tensile testing shall be carried out in accordance with EN 2002-001. The tensile test piece direction and location within the product shall be in accordance with the following table: 3 (three) test pieces in each of L and LT directions per batch 2 (two) test pieces in each of L and LT directions per batch 1 (one) test piece per direction per batch 14 Strength Rm MPa 15 Elongation A %
Width of product, b, (mm) Direction of testing Location
< 300 L b/3
≥ 300 LT b/3
Tests in other directions shall be carried out if values are stated in the material standard. If no value for the L direction is stated in the material standard, the results shall meet the values stated for the LT direction.
16 Reduction of area Not normally used for this product. −
17 Hard
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