BS-EN-12475-3-1998 BS-7225-1-1.4-1998.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12475-3:1998 BS 722
2、5-1.4:1998 The European Standard EN 12475-3:1998 has the status of a British Standard ICS 81.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Classification of dense shaped refractory products Part 3: Basic products containing from 7 % to 30 % residual carbon Licensed Copy:
3、 sheffieldun sheffieldun, na, Sat Oct 28 08:57:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI This British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 July 1998
4、 BSI 1998 ISBN 0 580 29380 7 BS EN 12475-3:1998 Amendments issued since publication Amd. No.DateText affected National foreword This British Standard is the English language version of EN 12475-3:1998. It supersedes BS 7225-1.4:1989 which is withdrawn. The UK participation in its preparation was ent
5、rusted by Technical Committee RPI/1, Refractory products and materials, to Subcommittee RPI/11, Sampling and physical testing of refractory materials, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretat
6、ion, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which
7、implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence Index, or by using the Find facility of the BSI Standards Electronic Catalogue. A British Standard does not purp
8、ort to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front c
9、over, the EN title page, pages 2 to 5 and a back cover. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 08:57:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue
10、de Stassart 36, B-1050 Brussels 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref. No. EN 12475-3 : 1998 E EUROPEAN STANDARDEN 12475-3 NORME EUROPE ENNE EUROPA ISCHE NORM February 1998 ICS: 81.080 Descriptors: Refractory materials, shape
11、d refractories, dense shaped refractory products, nomenclature, classifications, designation, raw materials, magnesia refractories, dolomite: minerals, carbon English version Classification of dense shaped refractory products Part3: Basic products containing from7% to30% residual carbon Classificati
12、on des produits re fractaires faonne s denses Partie 3: Produits basiques contenant de 7 % a 30 % de carbone re siduel Klassifizierung dichter geformter feuerfester Erzeugnisse Teil 3: Basische Erzeugnisse mit einem Massananeteil an Restkohlenstoff von 7 % bis 30 % This European Standard was approve
13、d by CEN on 18 January 1998. 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 s
14、tandards may be obtained on application to the Central Secretariat 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
15、 to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and U
16、nited Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 08:57:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 2 EN 12475-3:1998 BSI 1998 Foreword This European Standard has been prepared by Technical Committee CEN/TC 187, Refractory products and materials, the Secretariat of which i
17、s held by BSI. 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 August 1998, and conflicting national standards shall be withdrawn at the latest by August 1998. According to the CEN/CENELEC Interna
18、l Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland an
19、d the United Kingdom. EN 12475 consists of four parts: Part 1: Alumina-silica products; Part 2: Basic products containing less than 7 % residual carbon; Part 3: Basic products containing from 7 % to 30 % residual carbon; Part 4: Special products. Contents Page Foreword2 1Scope3 2Normative references
20、3 3Classification3 4Designation5 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 08:57:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 3 EN 12475-3:1998 BSI 1998 1 Scope This part of EN 12475 specifies the classification and designation of dense shaped basic refractory products containing
21、equal to or more than 7 % and less than 30 % residual carbon after coking. It is applicable to products with or without antioxidant additives, with or without metal plates and reinforcement. NOTE 1 EN 12475-2 covers the classification of dense shaped basic products containing less than 7 % carbon. N
22、OTE 2 All bricks can be encased in metal plate and be reinforced by means of an internal metal plate. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the te
23、xt and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to appl
24、ies. EN ISO 10058, Magnesites and dolomites Chemical analysis. prEN 955-3, Chemical analysis of refractory products Part 3: Chrome bearing materials. prEN 955-5, Chemical analysis of refractory products Part 5: XRF analysis by the fused cast bead method. EN 993-3, Methods of test for dense shaped re
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