BS-EN-12475-4-1999.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12475-4:1999 The Eu
2、ropean Standard EN 12475-4:1998 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 4: Special products Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 08:57:53 GMT+00:00
3、 2006, Uncontrolled Copy, (c) BSI This British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 June 1999 BSI 06-1999 ISBN 0 580 32322 6 BS EN 12475-4:1999
4、Amendments issued since publication Amd. No.DateComments National foreword This British Standard is the English language version of EN 12475-4:1998. The UK participation in its preparation was entrusted by Technical Committee RPI/1, Refractory products and materials, to Subcommittee RPI/1/1, Samplin
5、g 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 interpretation, or proposals for change, and keep the UK interests informed; monitor related international and Eur
6、opean 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 implement international or European publications referred to in this document may be found in the BSI S
7、tandards 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 purport to include all the necessary provisions of a contract. Users of British Standards are responsible f
8、or 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 cover, the EN title page, pages 2 to 7 and a back cover. Licensed Copy: sheffieldun sheffieldun, na, Sat
9、 Oct 28 08:57:53 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 de Stassart 36, B-1050 Brussels 1998 CEN All rights of exploitation in any form and by any means reserv
10、ed worldwide for CEN national Members. Ref. No. EN 12475-4:1998 E EUROPEAN STANDARDEN 12475-4 NORME EUROPE ENNE EUROPA ISCHE NORM December 1998 ICS 81.080 Descriptors: refractory materials, shaped refractories, dense shaped refractory products, classifications, designation, chemical composition Engl
11、ish version Classification of dense shaped refractory products Part4: Special products Classification des produits re fractaires fac onne s denses Partie 4: Produits spe ciaux Klassifizierung dichter geformter feuerfester Erzeugnisse Teil 4: Sondererzeugnisse This European Standard was approved by C
12、EN on 5 December 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 standar
13、ds 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 to th
14、e 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 United
15、Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 08:57:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 2 EN 12475-4:1998 BSI 06-1999 Foreword This European Standard has been prepared by Technical Committee CEN/TC 187, Refractory products and materials, the Secretariat of which is h
16、eld 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 June 1999, and conflicting national standards shall be withdrawn at the latest by June 1999. EN 12475, Classification of dense shaped re
17、fractory products, consists of four parts: Part 1: Aluminasilica 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. According to the CEN/CENELEC Internal Regulations, the national st
18、andards 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 and the United Kingdom. Contents
19、 Page Foreword2 1Scope3 2Normative references3 3Classification3 4Other refractory products7 5Designation of a special refractory product7 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 08:57:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 3 EN 12475-4:1998 BSI 06-1999 1) In preparation. 1
20、 Scope This part of EN 12475 establishes the classification and designation of dense shaped refractory products of special composition of the following series: a) oxide-based products: aluminachromic oxide; aluminachromic oxidezirconiasilica; zirconiasilica; aluminazirconiasilica; b) oxide and non-o
21、xide-based products: aluminacarbon; aluminasilicon carbidecarbon; c) non-oxide-based products: silicon carbide; carbon; d) further special products which are only designated but not classified, e.g. non-oxide products such as borides, nitrides or further combinations of the series listed above. 2 No
22、rmative 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 text and the publications listed hereafter. For dated references, subsequent amendments to or revisions of a
23、ny 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 applies. EN 955-2, Chemical analysis of refractory products Part 2: Products containing silica and/or alumina (wet
24、 method). prEN 955-3, Chemical analysis of refractory products Part 3: Chrome-bearing materials (wet methods). ENV 955-4, Chemical analysis of refractory products Part 4: Products containing silica and/or alumina (Analysis by Flame Atomic Absorption Spectrometry (FAAS) and Inductively Coupled Plasma
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