EUROPEANSTANDARD ENISO3506-3 NORMEEUROPEENNE EUROPAISCHENORM November 2009 ICS21.060.10 Supersedes ENISO3506-3:1997 English Version Mechanical properties of corrosion-resistant stainless steel fasteners-Part3:Setscrewsandsimilarfastenersnotunder tensilestress(1s03506-3:2009) Caracteristiques mecaniques des élements de fixation en MechanischeEigenschaftenvonVerbindungselementen acier inoxydable resistant a la corrosion -Partie 3: Vis sans aus nichtrostenden Stahlen-Teil 3: Gewindestifte und teteet élementsdefixation similaires non soumisades ahnlichenichtaufZugbeanspruchteVerbindungselemente contraintes de traction (IS0 3506-3:2009) (iSO 3506-3:2009) This European Standard was approved by CEN on 24 October 2009. 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 standard withoutany alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German).A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. ces EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG Management Centre:Avenue Marnix 17,B-1000 Brussels 2009CEN All rights of exploitation in any form and by any means reserved Ref.No.EN ISO 3506-3:2009:E worldwideforCEN national Members. BSENISO3506-3:2009 ENISO3506-3:2009 (E) Foreword This document (EN ISO 3506-3:2009)has been prepared by Technical Committee ISO/TC 2"Fasteners"in collaboration with Technical Committee CEN/TC 185"Fasteners", the secretariat of which is held by DIN. 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of an identical text or by endorsement, at the latest by May 2010, and conflicting national standards shall be withdrawn at the latestbyMay2010 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 3506-3:1997. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,Iceland, Ireland, Italy,Latvia, Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Romania, Slovakia, Slovenia,Spain, Sweden,SwitzerlandandtheUnitedKingdom Endorsementnotice The text of IS0 3506-3:2009 has been approved by CEN as a EN ISO 3506-3:2009 without any modification. BS EN IS0 3506-3:2009 ISO3506-3:2009(E) Contents Page Foreword Introductio 1 Scope 2 Normative references 3 Designation, marking and finish.. 3.1 Designation.. 3.2 Marking.. 3.3 Finish... 4 Chemical composition 5 Mechanical properties. 5.1 General.. 5.2 Prooftorqueofhexagonsocketsetscrews. 5.3 Hardness. 6 Testmethods 6.1 Proof torquetest forhexagonsocket set screws.... 6.2 HardnesstestHB,HRBorHVforsetscrews... AnnexA (normative)Descriptionofthegroupsandgrades ofstainlesssteels.. AnnexB(informative)Austeniticstainlesssteelcompositionspecifications .11 AnnexC (informative)Austenitic stainless steelsforcold heading and extruding.. ..13 AnnexD(informative)Time-temperaturediagramof intergranularcorrosioninaustenitic stainless steels, grade A2 (18/8 steels)..... .15 Annex E (informative) M