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STANDARD
SIST EN 10270-1:2012+A1:2017
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 10270-1:2011+A1
May
t r s y ICS
y yä s v rä t w Supersedes EN
s r t y ræ sã t r s sEnglish Version
Steel wire for mechanical springs æ Part
sã Patented cold drawn unalloyed spring steel wire Fils en acier pour ressorts mécaniques æ Partie
s ã Fils pour ressorts en acier non alliéá patentésá tréfilés à froid
Stahldraht für Federn æ Teil
sã Patentiert gezogener unlegierter Federstahldraht This European Standard was approved by CEN on
s r September
t r s s and includes Amendment
s approved by CEN on
t v March
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 r t y ræ sã t r s s ªA sã t r s y ESIST EN 10270-1:2012+A1:2017
EN 10270-1:2011+A1:2017 (E) 2 Contents Page European foreword . 4 1 Scope . 5 2 Normative references . 5 3 Terms and definitions . 6 4 Classification . 6 5 Information to be supplied by the purchaser . 6 6 Requirements . 7 6.1 Material . 7 6.1.1 General . 7 6.1.2 Chemical composition . 7 6.2 Form of delivery . 7 6.3 Coating and surface finish . 8 6.4 Mechanical properties . 8 6.5 Technological properties . 18 6.5.1 Coiling test .
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