EN ISO 3506-2:2009
(Main)Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts (ISO 3506-2:2009)
Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts (ISO 3506-2:2009)
ISO 3506-2:2009 specifies the mechanical properties of nuts made of austenitic, martensitic and ferritic steel grades of corrosion-resistant stainless steels, when tested over an ambient temperature range of 10 °C to 35 °C. Properties vary at higher or lower temperatures.
ISO 3506-2:2009 applies to nuts:
- with nominal thread diameter d ≤ 39 mm;
- of triangular ISO metric threads with diameters and pitches in accordance with ISO 68-1, ISO 261 and ISO 262;
- of any shape;
- with width across flats as specified in ISO 272;
- with nominal heights m ≥ 0,5 d.
It does not apply to nuts requiring properties, such as locking abilities and weldability.
Mechanische Eigenschaften von Verbindungselementen aus nichtrostenden Stählen - Teil 2: Muttern (ISO 3506-2:2009)
Dieser Teil von ISO 3506 legt die mechanischen Eigenschaften von Muttern aus austenitischen, martensi-tischen und ferritischen nichtrostenden Stählen bei Prüfung in einem Umgebungstemperaturbereich von 10 °C bis 35 °C fest. Die Eigenschaften verändern sich bei höheren oder tieferen Temperaturen.
Dieser Teil von ISO 3506 gilt für Muttern
- mit Gewindenenndurchmessern D < 39 mm;
- mit metrischen ISO Gewinden mit Durchmessern und Steigungen nach ISO 68 1, ISO 261 und ISO 262;
- mit beliebiger Form;
- mit Schlüsselweiten nach ISO 272;
- mit Nennhöhen m < 0,5 D.
Dieses Dokument gilt nicht für Muttern mit besonderen Anforderungen wie
- Sicherungsverhalten und
- Schweißbarkeit.
ANMERKUNG Das Bezeichnungssystem in diesem Teil von ISO 3506 kann auch für Nenngrößen außerhalb der in diesem Abschnitt angegebenen Grenzen (z. B. D > 39 mm) verwendet werden, vorausgesetzt alle der jeweiligen Festig¬keitsklasse zugeordneten mechanischen und physikalischen Anforderungen werden erfüllt.
Dieser Teil von ISO 3506 enthält keine Festlegungen über die Korrosion oder Korrosionsbeständigkeit in besonderen Umgebungen, jedoch sind einige Angaben über Werkstoffe für bestimmte Umgebungen in Anhang D enthalten. Für Definitionen zu Korrosion und Korrosionsbeständigkeit, siehe ISO 8044.
Zweck dieses Teils von ISO 3506 ist eine Einteilung von Muttern aus nichtrostenden Stählen in Festigkeits¬klassen. Einige Werkstoffe können bei Temperaturen bis -200 °C, einige an Luft bei Temperaturen bis +800 °C eingesetzt werden. Angaben über den Einfluss der Temperatur auf die mechanischen Eigenschaften sind in Anhang E enthalten.
Anforderungen an die Korrosionsbeständigkeit und die mechanischen Eigenschaften für den Einsatz bei höheren Temperaturen oder bei Temperaturen unter 0 °C können in jedem Einzelfall zwischen Anwender und Hersteller vereinbart werden. Im Anhang F ist dargestellt, wie die Gefahr einer interkristallinen Korrosion bei erhöhten Temperaturen vom Kohlenstoffgehalt abhängt.
Caractéristiques mécaniques des éléments de fixation en acier inoxydable résistant à la corrosion - Partie 2: Écrous (ISO 3506-2:2009)
L'ISO 3506-2:2009 spécifie les caractéristiques mécaniques des écrous constitués d'aciers inoxydables austénitiques, martensitiques et ferritiques résistant à la corrosion et soumis à essai à une température ambiante comprise entre 10 °C et 35 °C. Ces caractéristiques varient selon la valeur plus ou moins élevée de la température.
L'ISO 3506-2:2009 s'applique aux écrous
de diamètre nominal de filetage d ≤ 39 mm,
à filetage métrique ISO triangulaire dont le diamètre et le pas sont conformes à l'ISO 68-1, à l'ISO 261 et à l'ISO 262,
de forme quelconque,
avec des cotes surplats telles que spécifiées dans l'ISO 272, et
dont la hauteur nominale m ≥ 0,5d.
Elle ne s'applique pas aux écrous possédant des caractéristiques spéciales telles que la capacité de freinage et la soudabilité.
Mehanske lastnosti veznih elementov iz nerjavnega jekla - 2. del: Matice (ISO 3506-2:2009)
Ta del ISO 3506 določa mehanske lastnosti matic, narejenih iz avstenitnih, martenzitnih in feritnih vrst nerjavnega jekla, odpornega proti koroziji, pri preskušanju v območju okoljske temperature med 10 °C in 35 °C. Lastnosti se spreminjajo glede na višje ali nižje temperature.
Ta del ISO 3506 velja za matice:
⎯ z nazivnim premerom navoja D u 39 mm;
⎯ s trikotnimi metrskimi navoji ISO s premeri in nakloni v skladu z ISO 68-1, ISO 261 in ISO 262;
⎯ katere koli oblike;
⎯ s širino plošče, kot jo določa ISO 272;
⎯ z nazivnimi višinami m W 0,5 D.
Ne velja za matice s posebnimi lastnostmi:
⎯ zaklepne zmožnosti in
⎯ varivost.
OPOMBA: Sistem označevanja v tem delu ISO 3506 se lahko uporablja za velikosti zunaj omejitev, podanih v tej točki (npr. D 39 mm), če so izpolnjene veljavne mehanske in fizikalne zahteve lastnostnih razredov.
Ta del ISO 3506 ne opredeljuje odpornosti proti koroziji ali oksidaciji v določenih okoljih. Nekateri podatki o materialih za določena okolja so kljub temu navedeni v dodatku D. Za opredelitve korozije in odpornosti proti koroziji glej ISO 8044.
Namen tega dela ISO 3506 je razvrstitev matic iz nerjavnega jekla, odpornega proti koroziji, v lastnostne razrede. Nekateri materiali se lahko uporabljajo pri temperaturah zraka do najmanj −200 °C, drugi pa se lahko uporabljajo pri temperaturah do največ 800 °C. Podatki o vplivu temperature na mehanske lastnosti so navedeni v dodatku E.
O zmogljivostih, povezanih s korozijo in oksidacijo, in mehanskih lastnostih za uporabo pri povišanih temperaturah ali temperaturah pod nič se lahko dogovorita uporabnik in proizvajalec za vsak posamezen primer. Dodatek F prikazuje, kako je tveganje za interkristalno korozijo pri povišanih temperaturah odvisno od vsebnosti ogljika.
Vsi vezni elementi iz avstenitnega nerjavnega jekla so v nežarjenem stanju običajno nemagnetni; po hladni obdelavi so nekatere magnetne lastnosti očitne (glej dodatek G).
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Mehanske lastnosti veznih elementov iz nerjavnega jekla - 2. del: Matice (ISO 3506-2:2009)Mechanische Eigenschaften von Verbindungselementen aus nichtrostenden Stählen - Teil 2: Muttern (ISO 3506-2:2009)Caractéristiques mécaniques des éléments de fixation en acier inoxydable résistant à la corrosion - Partie 2: Écrous (ISO 3506-2:2009)Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts (ISO 3506-2:2009)21.060.20MaticeNutsICS:Ta slovenski standard je istoveten z:EN ISO 3506-2:2009SIST EN ISO 3506-2:2011en,fr,de01-junij-2011SIST EN ISO 3506-2:2011SLOVENSKI
STANDARDSIST ISO 3506-2:2000SIST EN ISO 3506-2:20011DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN ISO 3506-2
November 2009 ICS 21.060.20 Supersedes EN ISO 3506-2:1997English Version
Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts (ISO 3506-2:2009)
Caractéristiques mécaniques des éléments de fixation en acier inoxydable résistant à la corrosion - Partie 2: Écrous (ISO 3506-2:2009)
Mechanische Eigenschaften von Verbindungselementen aus nichtrostenden Stählen - Teil 2: Muttern (ISO 3506-2:2009) 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 without any 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 3506-2:2009: ESIST EN ISO 3506-2:2011
Reference numberISO 3506-2:2009(E)© ISO 2009
INTERNATIONAL STANDARD ISO3506-2Second edition2009-11-15Mechanical properties of corrosion-resistant stainless steel fasteners — Part 2: Nuts Caractéristiques mécaniques des éléments de fixation en acier inoxydable résistant à la corrosion — Partie 2: Écrous
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ISO 3506-2:2009(E) © ISO 2009 – All rights reserved iii Contents Page Foreword.iv Introduction.v 1 Scope.1 2 Normative references.2 3 Symbols.2 4 Designation, marking and finish.3 4.1 Designation.3 4.2 Marking.4 4.3 Finish.6 5 Chemical composition.6 6 Mechanical properties.7 7 Test methods.8 7.1 Hardness HB, HRC or HV.8 7.2 Proof load.8 Annex A (informative)
Description of the groups and grades of stainless steels.9 Annex B (informative)
Stainless steel composition specifications.12 Annex C (informative)
Stainless steels for cold heading and extruding.15 Annex D (informative)
Austenitic stainless steels with particular resistance to chloride induced stress corrosion.17 Annex E (informative)
Mechanical properties at elevated temperatures; application at low temperatures.18 Annex F (informative)
Time-temperature diagram of intergranular corrosion in austenitic stainless steels, grade A2 (18/8 steels).19 Annex G (informative)
Magnetic properties for austenitic stainless steels.20 Bibliography.21
ISO 3506-2:2009(E) iv © ISO 2009 – All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 3506-2 was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 1, Mechanical properties of fasteners. This second edition cancels and replaces the first edition (ISO 3506-2:1997), which has been technically revised. ISO 3506 consists of the following parts, under the general title Mechanical properties of corrosion-resistant stainless steel fasteners: ⎯ Part 1: Bolts, screws and studs ⎯ Part 2: Nuts ⎯ Part 3: Set screws and similar fasteners not under tensile stress ⎯ Part 4: Tapping screws SIST EN ISO 3506-2:2011
ISO 3506-2:2009(E) © ISO 2009 – All rights reserved v Introduction In the preparation of this part of ISO 3506, special attention has been given to the fundamentally different property characteristics of the stainless steel fastener grades compared with those of carbon steel and low-alloy steel fasteners. Ferritic and austenitic stainless steels are strengthened only by cold working and consequently, the components do not have as homogeneous local material properties as hardened and tempered parts. These special features have been recognized in the elaboration of the property classes and the test procedures for mechanical properties. The latter differ from the carbon steel and low-alloy steel fastener test procedures with regard to the measurement of the stress at 0,2 % permanent strain (yield stress) and ductility (total elongation after fracture).
INTERNATIONAL STANDARD ISO 3506-2:2009(E) © ISO 2009 – All rights reserved 1 Mechanical properties of corrosion-resistant stainless steel fasteners — Part 2: Nuts 1 Scope This part of ISO 3506 specifies the mechanical properties of nuts made of austenitic, martensitic and ferritic steel grades of corrosion-resistant stainless steels, when tested over an ambient temperature range of 10 °C to 35 °C. Properties vary at higher or lower temperatures. This part of ISO 3506 applies to nuts: ⎯ with nominal thread diameter D u 39 mm; ⎯ of triangular ISO metric threads with diameters and pitches in accordance with ISO 68-1, ISO 261 and ISO 262; ⎯ of any shape; ⎯ with width across flats as specified in ISO 272; ⎯ with nominal heights m W 0,5D. It does not apply to nuts requiring properties such as ⎯ locking abilities, and ⎯ weldability. NOTE The designation system of this part of ISO 3506 can be used for sizes outside the limits given in this clause (e.g. D > 39 mm), provided that all applicable mechanical and physical requirements of the property classes are met. This part of ISO 3506 does not define corrosion or oxidation resistance in particular environments. However, some information on materials for particular environments is given in Annex D. Regarding definitions of corrosion and corrosion resistance, see ISO 8044. The aim of this part of ISO 3506 is the classification of corrosion-resistant stainless steel nuts into property classes. Some materials can be used at temperatures down to − 200 °C, some can be used at temperatures up to + 800 °C in air. Information on the influence of temperature on mechanical properties is found in Annex E. Corrosion and oxidation performances and mechanical properties for use at elevated or sub-zero temperatures can be agreed on between the user and the manufacturer in each particular case. Annex F shows how the risk of intergranular corrosion at elevated temperatures depends on the carbon content. SIST EN ISO 3506-2:2011
ISO 3506-2:2009(E) 2 © ISO 2009 – All rights reserved All austenitic stainless steel fasteners are normally non-magnetic in the annealed condition; after cold working, some magnetic properties can be evident (see Annex G). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendment
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