BS-ISO-19960-2005.pdf
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1、BRITISH STANDARD BS ISO 19960:2005 Cast steels and alloys with special physical properties ICS 77.140.80 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:22:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 19960:2005 This British Standard was published under the authority of the Stand
2、ards Policy and Strategy Committee on 13 June 2005 BSI 13 June 2005 ISBN 0 580 46076 2 National foreword This British Standard reproduces verbatim ISO 19960:2005 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee ISE/6, Steel C
3、astings, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the sect
4、ion entitled “International 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. C
5、ompliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related
6、 international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 6, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicate
7、s when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:22:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO 19960:2005(E) INTERNATIONAL STANDARD ISO 19960 First edition 2005-04-15 Cast
8、steels and alloys with special physical properties Aciers et alliages mouls avec caractristiques physiques particulires BS ISO 19960:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:22:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii BS ISO 19960:2005 Licensed Copy: sheffieldun sheffie
9、ldun, na, Mon Nov 27 07:22:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iii Contents Page Forewordiv 1Scope1 2Normative references .1 3Terms and definitions.1 4General conditions for delivery.1 5Chemical composition1 6Mechanical properties1 7Heat treatment.2 8Welding 2 9Verification of physical pro
10、perties2 10Marking.2 11Supplementary requirements 2 Annex A (normative) Supplementary requirements .6 BS ISO 19960:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:22:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv Foreword ISO (the International Organization for Standardization) is a
11、 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 represente
12、d 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 draf
13、ted 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 Sta
14、ndard 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 19960 was prepared
15、by Technical Committee ISO/TC 17, Steel, Subcommittee SC 11, Steel castings. BS ISO 19960:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:22:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 1 Cast steels and alloys with special physical properties 1 Scope This International Standard spec
16、ifies cast steel and alloy grades with special physical properties. The cast steel and alloy grades covered by this International Standard are used in applications which require low linear thermal expansion, or low ferromagnetic responses, or low galling properties. 2 Normative references The follow
17、ing 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 amendments) applies. ISO 4990:2003, Steel castings General technical delivery re
18、quirements ISO 11970:2001, Specification and approval of welding procedures for production welding of steel castings 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 4990 and the following apply. 3.1 galling damage or breaking of the surface by fricti
19、on or abrasion 4 General conditions for delivery Materials furnished according to this International Standard shall conform to the applicable requirements of ISO 4990, including the supplementary requirements that are indicated on the enquiry and purchase order. 5 Chemical composition The cast steel
20、 and alloy grades shall conform to the requirements for chemical composition specified in Table 1. 6 Mechanical properties Cast steel and alloy grades used for castings shall conform to the mechanical property requirements given in Table 2 up to the maximum ruling thickness. Verification of impact p
21、roperties is not required, except when indicated by the customer. Test coupons used to verify the mechanical properties shall not have a thickness exceeding 100 mm. For pieces removed from castings, the test bar location and the mechanical properties required shall be agreed between the manufacturer
22、 and purchaser. For grades GX3NiCo32, GX3NiCo29-17 and G-NiCr13SnBiMo, no mechanical properties are specified. BS ISO 19960:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:22:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2 7 Heat treatment Castings shall be heat treated in accordance
23、with the requirements of Table 3. 8 Welding Castings shall be welded in accordance with the procedures specified in ISO 11970. 9 Verification of physical properties When physical properties are specified, the method of measurement and acceptance requirements shall be the subject of an agreement betw
24、een the manufacturer and purchaser. Typical values for some physical properties are given in Table 4. 10 Marking Alternative markings are permitted (Table 5), unless otherwise agreed. 11 Supplementary requirements The following supplementary requirements shall apply only when specified on the enquir
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