SIST EN ISO 7085:2003

Mechanical and performance requirements of case hardened and tempered metric thread rolling screws (ISO 7085:1999)

Mechanische und funktionelle Eigenschaften von einsatzgehärteten und angelassenen metrischen gewindefurchenden Schrauben (ISO 7085:1999)

Diese Internationale Norm legt die Anforderungen von einsatzgehärteten und angelassenen metrischen gewindefurchenden Schrauben fest. Gewindefurchende Schrauben nach dieser Norm erzeugen Innengewinde mit Gewinde-Nenndurchmessern in einem Bereich von 2 mm bis 12 mm, die zu metrischen ISO-Gewinden für allgemeine Zwecke passen und im allgemeinen technischen Bereich verwendet werden. ISO 898-1 ist für Schrauben nach dieser Norm nicht anwendbar.

Caractéristiques mécaniques et fonctionnelles des vis autotaraudeuses par déformation, a filetage métrique, cémentées et revenues (ISO 7085:1999)

Mehanske in zmogljivostne zahteve za toplotno poboljšane metrske vijake z uvaljanim navojem (ISO 7085:1999)

General Information

• Status: Withdrawn
• Publication Date: 30-Jun-2001
• Withdrawal Date: 28-Mar-2013
• ICS: 21.040.10 - Metric screw threads
• ICS: 21.060.10 - Bolts, screws, studs
• Technical Committee: ISEL - Mechanical elements
• Current Stage: 9900 - Withdrawal (Adopted Project)
• Start Date: 26-Mar-2013
• Due Date: 18-Apr-2013
• Completion Date: 29-Mar-2013
• Ref Project: EN ISO 7085:1999 - Mechanical and performance requirements of case hardened and tempered metric thread rolling screws (ISO 7085:1999)

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Mechanical and performance requirements of case hardened and tempered metric thread rolling screws (ISO 7085:1999)jehanske in izdelovalne zahteve za cementirane metrske samorezne vijake EISl Tj8o:ksss)21.060.10Sorniki, vijaki, stebelni vijakiBolts, screws, studsICS:SIST Ek ISl Tj8o:ljjkenTa slovenski standard je istoveten z:Ek ISl Tj8o:ksssjk-julij-ljjkSIST Ek ISl Tj8o:ljjkSilsEkShI
STAkaAoa



SIST EN ISO 7085:2003



SIST EN ISO 7085:2003



SIST EN ISO 7085:2003



SIST EN ISO 7085:2003



SIST EN ISO 7085:2003



AReference numberISO 7085:1999(E)INTERNATIONALSTANDARDISO7085First edition1999-09-01Mechanical and performance requirementsof case hardened and tempered metricthread rolling screwsCaractéristiques mécaniques et fonctionnelles des vis autotaraudeuses pardéformation, à filetage métrique, cémentées et revenuesSIST EN ISO 7085:2003



ISO 7085:1999(E)©
ISO 1999All rights reserved. Unless otherwise specified, no part of this publication may be reproducedor utilized in any form or by any means, electronic or mechanical, including photocopying andmicrofilm, without permission in writing from the publisher.International Organization for StandardizationCase postale 56 · CH-1211 Genève 20 · [e-mail] in SwitzerlandiiContentsPage1 Scope.12 Normative references.13 Materials.24 Mechanical properties.25 Test methods.46 Torque wrenches.77 Marking.7Bibliography.8SIST EN ISO 7085:2003



© ISOISO 7085:1999(E)iiiForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISOmember bodies). The work of preparing International Standards is normally carried out through ISO technicalcommittees. Each member body interested in a subject for which a technical committee has been established hasthe right to be represented on that committee. International organizations, governmental and non-governmental, inliaison with ISO, also take part in the work. ISO collaborates closely with the International ElectrotechnicalCommission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.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.International Standard ISO 7085 was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee 1,Mechanical properties of fasteners.SIST EN ISO 7085:2003



SIST EN ISO 7085:2003



INTERNATIONAL STANDARD
© ISOISO 7085:1999(E)1Mechanical and performance requirements of casehardened and tempered metric thread rolling screws1 ScopeThis International Standard specifies the requirements for case hardened and tempered metric thread rollingscrews. Thread rolling screws according to this International Standard produce female threads which fit ISO generalpurpose metric screw threads, in the range from 2 mm up to and including 12 mm nominal thread diameter, for usein general engineering applications.ISO 898-1 is not applicable to screws made according to this International Standard.2 Normative referencesThe following normative documents contain provisions which, through reference in this text, constitute provisions ofthis International Standard. For dated references, subsequent amendments to, or revisions of, any of thesepublications do not apply. However, parties to agreements based on this International Standard are encouraged toinvestigate the possibility of applying the most recent editions of the normative documents indicated below. Forundated references, the latest edition of the normative document referred to applies. Members of ISO and IECmaintain registers of currently valid International Standards.ISO 898-2:1992, Mechanical properties of fasteners — Part 2: Nuts with specified proof load values — Coarsethread.ISO 965-3:1998, ISO general purpose metric screw threads — Tolerances — Part 3: Deviations for constructionalscrew threads.ISO 4042:1999, Fasteners — Electroplated coatings.ISO 5954:1998, Cold-reduced carbon steel sheet according to hardness requirements.ISO 6507-1:1997, Metallic materials — Vickers hardness test — Part 1: Test method.ISO 15330:1999, Fasteners — Preloading test for the detection of hydrogen embrittlement — Parallel bearingsurface method.SIST EN ISO 7085:2003



ISO 7085:1999(E)© ISO23 MaterialsThe thread rolling screws shall be made from cold heading, case hardening quality steel; the chemical compositiongiven in Table 1 is given for guidance only.Table 1 — Chemical compositionAnalysisComposition limits% (m/m)CarbonManganeseLadle0,15 to 0,250,70 to 1,65Check0,13 to 0,270,64 to 1,71NOTE
Boron content can reach 0,005 % provided that non-effective boron is controlled by addition of titanium and/oraluminium.4 Mechanical properties4.1 SurveyA survey of mechanical properties and of respective clauses for testing is given in Table 2.Table 2 — Mechanical propertiesPropertiesSubclause/tableTest referenceCore hardness4.35.1Case hardness4.35.2Case depth4.4 and Table 45.3Torsional strength4.5 and Table 35.4Ductility4.65.5Driveability4.7 and Table 35.6Embrittlement4.85.7Core hardness after retempering4.95.8Tensile breaking load4.10 and Table 35.94.2 Heat treatmentFinished screws shall be case hardened and tempered at a minimum tempering temperature of 340 °C in order tomeet all the mechanical and performance requirements of this International Standard as detailed in Table 3.4.3 HardnessThe core hardness shall be 290 HV 10 to 370 HV 10, and the case hardness shall be 450 HV 0,3 minimum.4.4 Case depthThe case depth shall be as given in Table 4.SIST EN ISO 7085:2003



© ISOISO 7085:1999(E)34.5 Breaking torqueThe minimum breaking torque is specified in Table 3, when tested in accordance with 5.4. Failure shall not occur inthe clamped threads.4.6 DuctilityThere shall be no fracture at the head/shank intersection when a permanent deformation of 7° is induced betweenthe plane of the underhead bearing face and a plane normal to the axis of the screw, when tested in accordancewith 5.5. The test shall be regarded as satisfactory even if a crack appears in the first thread, provided that the headdoes not snap off.4.7 Ability to form the mating threadThe screw shall, without permanent deformation of its own thread when viewed at ´ 10 magnification, form a matingthread in a test plate in accordance with 5.6. During the driveability test the drive torque shall not exceed themaximum values specified in Table 3.The thread formed by the screw in the test plate shall be capable of accepting a fastener threaded in accordancewith ISO 965-3, tolerance class 6h and shall resist a proof load test in acco
...

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Mehanske in zmogljivostne zahteve za toplotno poboljšane metrske vijake z uvaljanim navojem (ISO 7085:1999)Mechanische und funktionelle Eigenschaften von einsatzgehärteten und angelassenen metrischen gewindefurchenden Schrauben (ISO 7085:1999)Caractéristiques mécaniques et fonctionnelles des vis autotaraudeuses par déformation, a filetage métrique, cémentées et revenues (ISO 7085:1999)Mechanical and performance requirements of case hardened and tempered metric thread rolling screws (ISO 7085:1999)21.060.10Sorniki, vijaki, stebelni vijakiBolts, screws, studs21.040.10Metrski navojiMetric screw threadsICS:Ta slovenski standard je istoveten z:EN ISO 7085:1999SIST EN ISO 7085:2003en01-julij-2003SIST EN ISO 7085:2003SLOVENSKI
STANDARD



SIST EN ISO 7085:2003



SIST EN ISO 7085:2003



SIST EN ISO 7085:2003



SIST EN ISO 7085:2003



SIST EN ISO 7085:2003



AReference numberISO 7085:1999(E)INTERNATIONALSTANDARDISO7085First edition1999-09-01Mechanical and performance requirementsof case hardened and tempered metricthread rolling screwsCaractéristiques mécaniques et fonctionnelles des vis autotaraudeuses pardéformation, à filetage métrique, cémentées et revenuesSIST EN ISO 7085:2003



ISO 7085:1999(E)©
ISO 1999All rights reserved. Unless otherwise specified, no part of this publication may be reproducedor utilized in any form or by any means, electronic or mechanical, including photocopying andmicrofilm, without permission in writing from the publisher.International Organization for StandardizationCase postale 56 · CH-1211 Genève 20 · [e-mail] in SwitzerlandiiContentsPage1 Scope.12 Normative references.13 Materials.24 Mechanical properties.25 Test methods.46 Torque wrenches.77 Marking.7Bibliography.8SIST EN ISO 7085:2003



© ISOISO 7085:1999(E)iiiForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISOmember bodies). The work of preparing International Standards is normally carried out through ISO technicalcommittees. Each member body interested in a subject for which a technical committee has been established hasthe right to be represented on that committee. International organizations, governmental and non-governmental, inliaison with ISO, also take part in the work. ISO collaborates closely with the International ElectrotechnicalCommission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.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.International Standard ISO 7085 was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee 1,Mechanical properties of fasteners.SIST EN ISO 7085:2003



SIST EN ISO 7085:2003



INTERNATIONAL STANDARD
© ISOISO 7085:1999(E)1Mechanical and performance requirements of casehardened and tempered metric thread rolling screws1 ScopeThis International Standard specifies the requirements for case hardened and tempered metric thread rollingscrews. Thread rolling screws according to this International Standard produce female threads which fit ISO generalpurpose metric screw threads, in the range from 2 mm up to and including 12 mm nominal thread diameter, for usein general engineering applications.ISO 898-1 is not applicable to screws made according to this International Standard.2 Normative referencesThe following normative documents contain provisions which, through reference in this text, constitute provisions ofthis International Standard. For dated references, subsequent amendments to, or revisions of, any of thesepublications do not apply. However, parties to agreements based on this International Standard are encouraged toinvestigate the possibility of applying the most recent editions of the normative documents indicated below. Forundated references, the latest edition of the normative document referred to applies. Members of ISO and IECmaintain registers of currently valid International Standards.ISO 898-2:1992, Mechanical properties of fasteners — Part 2: Nuts with specified proof load values — Coarsethread.ISO 965-3:1998, ISO general purpose metric screw threads — Tolerances — Part 3: Deviations for constructionalscrew threads.ISO 4042:1999, Fasteners — Electroplated coatings.ISO 5954:1998, Cold-reduced carbon steel sheet according to hardness requirements.ISO 6507-1:1997, Metallic materials — Vickers hardness test — Part 1: Test method.ISO 15330:1999, Fasteners — Preloading test for the detection of hydrogen embrittlement — Parallel bearingsurface method.SIST EN ISO 7085:2003



ISO 7085:1999(E)© ISO23 MaterialsThe thread rolling screws shall be made from cold heading, case hardening quality steel; the chemical compositiongiven in Table 1 is given for guidance only.Table 1 — Chemical compositionAnalysisComposition limits% (m/m)CarbonManganeseLadle0,15 to 0,250,70 to 1,65Check0,13 to 0,270,64 to 1,71NOTE
Boron content can reach 0,005 % provided that non-effective boron is controlled by addition of titanium and/oraluminium.4 Mechanical properties4.1 SurveyA survey of mechanical properties and of respective clauses for testing is given in Table 2.Table 2 — Mechanical propertiesPropertiesSubclause/tableTest referenceCore hardness4.35.1Case hardness4.35.2Case depth4.4 and Table 45.3Torsional strength4.5 and Table 35.4Ductility4.65.5Driveability4.7 and Table 35.6Embrittlement4.85.7Core hardness after retempering4.95.8Tensile breaking load4.10 and Table 35.94.2 Heat treatmentFinished screws shall be case hardened and tempered at a minimum tempering temperature of 340 °C in order tomeet all the mechanical and performance requirements of this International Standard as detailed in Table 3.4.3 HardnessThe core hardness shall be 290 HV 10 to 370 HV 10, and the case hardness shall be 450 HV 0,3 minimum.4.4 Case depthThe case depth shall be as given in Table 4.SIST EN ISO 7085:2003



© ISOISO 7085:1999(E)34.5 Breaking torqueThe minimum breaking torque is specified in Table 3, when tested in accordance with 5.4. Failure shall not occur inthe clamped threads.4.6 DuctilityThere shall be no fracture at the head/shank intersection when a permanent deformation of 7° is induced betweenthe plane of the underhead bearing face and a plane normal to the axis of the screw, when tested in accordancewith 5.5. The test shall be regarded as satisfactory even if a crack appears in the first thread, provided that the headdoes not snap off.4.7 Ability to form the mating threadThe screw shall, without permanent deformation of its own thread when viewed at ´ 10 magnification, form a matingthread in a test plate in accordance with 5.6. During the driveability test the drive torque shall not exceed themaximum values specified in Table 3.The thread formed
...