【正文】 tional Standards Correspondence Index‖, or by using the ―Search‖ facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. This British Standard was publish ed under the authority of the Standards Policy and Strategy Committee on 14 July 2020 169。ISCHE NORM EN 4852 July 2020 ICS Supersedes EN 4852:1994 English version Aluminium and aluminium alloys Sheet, strip and plate Part 2: Mechanical properties Aluminium et alliages d39。 EUR O P 201。 ? for specified thicknesses exceeding 12,5 mm the testpiece shall have a circular cross section with a remended diameter of 10 mm for its reduced section。 ? testpiece shall be taken in the transverse direction, the bend axis being parallel to the rolling direction. For material less than 150 mm wide, the testpiece may be taken in the rolling direction。C。 ? exposure shall be carried out by alternate immersion in a 3,5 % by mass sodium chloride solution in water。 ? elongation for round testpieces shall be measured using an original gauge length equal to 5 D where D is the diameter of the reduced section。 2020 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4852:2020: E EN 4852:2020 (E) 2 Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Tue Nov 14 09:45:37 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Contents Foreword...................................................................................................................................................................... 4 1 Scope .............................................................................................................................................................. 6 2 Normative references .................................................................................................................................... 6 3 Tensile test ............................................................................................................................. ........................ 6 4 Bend test......................................................................................................................................................... 7 5 Hardness test ............................................................................................................... .................................. 7 Table 1 — Minimum material gauge and Brinell hardness values ........................................................................ 8 6 Electrical conductivity................................................................................................................................... 8 7 Stresscorrosion resistance ................................................................................................. ........................ 8 8 Exfoliation corrosion resistance (5xxx series alloys)................................................................................ 9 9 Exfoliation corrosion resistance (7xxx series alloys)................................................................................ 9 Table 2 — Aluminium EN AW1080A [Al 99,8(A)] .................................................................................. ................ 12 Table 3 — Aluminium EN AW1070A [Al 99,7] ..................................................................................... .................. 13 Table 4 — Aluminium EN AW1050A [Al 99,5] ..................................................................................... .................. 14 Table 5 — Aluminium EN AW1200 [Al 99,0] .......................................................................................................... 15 Table 6 — Alloy EN AW2020 [Al Cu4SiMg] ........................................................................................................... 16 Table 7 — Alloy EN AW2020A [Al Cu4SiMg(A)] .................................................................................................... 17 Table 8 — Alloy EN AW2017A [Al Cu4MgSi(A)].................................................................................................... 18 Table 9 — Alloy EN AW2024 [Al Cu4Mg1] ............................................................................................................. 19 Table 10 — Alloy EN AW3003 [Al Mn1Cu] ............................................................................................................. 20 Table 11 — Alloy EN AW3103 [Al Mn1].................................................................................................................. 21 Table 12 — Alloy EN AW3004 [Al Mn1Mg1] .......................................................................................................... 22 Table 13 — Alloy EN AW3005 [Al Mn1Mg0,5] ....................................................................................................... 23 Table 14 — Alloy EN AW3105 [Al Mn0,5Mg0,5] .................................................................................................... 24 Table 15 — Alloy EN AW4006 [Al Si1Fe] ............................................................................................................... 25 Table 16 — Alloy EN AW4007 [Al Si1,5Mn] .......................................