1、 CEN EN*993-13 95 E 3404589 O094488 019 BRITISH STANDARD Methods of test for Dense shaped refractory products Part 13. Specification for pyrometric reference cones for laboratory use The European Standard EN 993-13 : 1995 has the status of a British Standard BS EN 993-13 : 1995 CEN EN*993-13 95 = 34
2、04589 0094489 T55 BS EN 993-13 : 1995 under the authority of the Standards Board and comes into Amd. No. Date effect on 15 June 1995 O BSI 1995 The foilowing BSI references relate to the work on this standard : Committee reference RPM/1 Draft for comment 93/303888 DC ISBN O 580 23607 2 Cooperating o
3、rganizations Ext affected The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries: Austria Belgium Denmark Finland France Germany Greece Iceland Ireland Italy Luxembourg N
4、etherlands Norway Portugal Spain Sweden Switzerland United Kingdom Oesterreichisches Normungsinstitut Institut belge de normalisation Dansk Standard Suomen Standardisoimisliito, r. y. Association francaise de normalisation Deutsches Institut fr Normung e.V. Hellenic Organization for Standardization
5、Technological Institute of Iceland National Standards Authority of Ireland Ente Nazionale Italiano di Unificazione Inspection du Travail et des Mines Nederlands Normalisatie-instituut Norges Standardiseringsforbund Instituto Portugus da Qualidade Asociacin Espaola de Normalizacin y Certificacin Stan
6、dardiseringskommissionen i Sverige Association suisse de normalisation British Standards Institution CEN ENx993-13 95 m 3404589 0094490 777 m BS EN 993-13 : 1995 Contents Cooperating organizations National foreword p%e Inside front cover i Foreword 2 %Xt of EN 993-13 3 National annex NA (informative
7、) Committees responsible Inside back cover National foreword This British Standard has been prepared under the direction of the Refractory Products Standards Policy Committee and is the Enghsh language version of EN 993-13 : 1995 Methods of test for dense shaped refractory products - Part 13: Specif
8、ication for pyrmetrc reference cones for labomtory use, published by the European Committee for Standardization (CEN). EN 993-13 was produced as a result of international discussions in which the UK took an active part. Compliance with a British Standard does not of itself confer immunity from legal
9、 obligations. i CEN ENx993-13 95 = 3404589 0094491 b03 = EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 993-13 February 1995 ICs 81.080 Descriptors: Refractory materials, shaped refractories, dense shaped refractory products, tests, laboratory tests, pyrometric cones, determination, refractori
10、ness, marking English version Methods of test for dense shaped refractory products - Part 13: Specification for pyrometric reference cones for laboratory use Mthodes dessai pour produits rfractaires faconns denses - Partie 13: Spcification pour cnes pyroscopiques de rfrence pour emploi en laboratoir
11、e Laboratoriumsgebrauc h Prfverfahren fr dichte geformte feuerfeste Erzeugnisse - Eil 13: Festlegungen fr Referenz-Brennkegel fr den This European Standard was approved by CEN on 1995-02-15. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for
12、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 Central Secretariat or to any CEN member. This European Standard exists in three official v
13、ersions (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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgiu
14、m, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassa
15、rt 36. B-1050 Brussels O 1995 Copyright reserved to CEN members Ref. NO. EN 993-13 : 1995 E Previous page is blank CEN ENt993-13 95 3404589 0094492 54“ Page 2 EN 993-13 : 1995 Foreword Contents This European Standard has been prepared by %chnical Committee CEN/TC187, Refractory products and material
16、s, the secretariat of which is 1 Scope 2 Normative reference held by BSI. It is closely based on the corresponding International Standard, IS0 1146 Pyrometric 3 Definitions reference cones for laboratory use - Specvication, published by the International Organization for Standardization (ISO). 5 Ref
17、erence temperatures EN 993 Methods of test for dense shaped refractory products consists of 18 Parts: 4 ii and shape of cones 6 7 Verification of temperature of Rate of heating part 1 : Parts: ipart3: Part4: Part5: Part6: Part7: Part8: Part9: Determination of bulk density, apparent collapse porosity
18、 and true porosity 8 Marking Determination of true denStty Annex IIZst methods for carbon-containing A (informative) Comparison of the refractories properties of different brands of Determination of permeability to gases pyrometric reference cones Determination of cold crushing strength Determinatio
19、n of modulus of rupture at ambient temperature Determination of modulus of rupture at elevated tempcratures Determimtwn of refractoriness-under- load Determination of weep in compression Part 10 : Determination of permanent change in Part 11 : Determination of resistance to thmmal Part 12 : Determin
20、ation of pyrometric cone Part 13 : Specification for pyrometric cones Part 14 ; Determination of thermal conductivity Part 15 : Determination of thermal conductivity Part 16 : Determination of resistance to acids Part 17 : Determination of bulk density of granular material (mercury method) Part 18 :
21、 Detemzination of bulk density of granular material (water method) 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 1995, and conflicting national standards shall be withdrawn at the latest
22、by August 1995. According to the CENKENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United
23、 Kingdom. dimensions on heating shock (ENV) equivalent (hot wire, cross-array) (hot wire, parallel) page 3 3 3 3 4 4 4 4 5 Page 3 EN 993-13 : 1995 1 Scope This Part of EN 993 specifies the characteristics of a standard series of pyrometric reference cones, which are used for determining the pyrometr
24、ic cone equivalent (refractoriness) of refractory materials, over the temperature range 1500 OC to 1800 OC. The pyrometric reference cones specified are suitable for use in the procedure described in EN 993-12, excluding determination of 1500 OC and 1800 OC. 4 Dimensions and shape of cones 4.1 The n
25、ominal dimensions of a cone shall be as shown in figure 1. 4.2 The shape of a cone shall be as indicated in figure 2. 4.3 The cone shall lean in the direction of an edge, as in figure 2. The angle to the vertical to be made by the leading edge or face when the cone is mounted, shall be 8“ f 1“. 2 No
26、rmative reference 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 are listed hereafter. For dated references, subsequent amendments to or revisions o
27、f 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 applies. EN 993-12 Methods of test for temperature of collapse The temperature at which the tip of a pyrometric
28、reference cone reaches the level on which the base of the cone is mounted when the cone is heated at a specified rate under specified conditions. Base /“-e, h=30mm b = 8,5mm Figure 1. Nominal dimensions of pyrometric reference cone Figure 2. Shape of pyrometric reference cone Page 4 EN 993-13 : 1995
29、 5 Reference temperatures Each reference cone shall be of such composition that the temperature of collapse is one of the temperatures shown in table 1, with a tolerance of f5K. hble 1. Reference temperatures and cone designations Cone designation IS0 150 IS0 152 IS0 154 IS0 156 IS0 158 IS0 160 IS0
30、162 IS0 164 Wmperature OC 1500 1520 1540 1560 1580 1600 1620 1640 Cone designation IS0 166 IS0 168 IS0 170 IS0 172 IS0 174 IS0 176 IS0 178 IS0 180 Temperature OC 1660 1680 1700 1720 1740 1760 1780 1800 6 Rate of heating Each pyrometric reference cone conforming to this European Standard shall be sui
31、table for heating to its reference temperature at a rate of 2,5 OC/min. 7 Verification of temperature of collapse The reference temperature of each batch of cones having the same nominal reference temperature shall be verified for conformity to clause 5 by carrying out the procedure specified in EN
32、993-12 on a sample of the batch. The temperature of collapse shall be determined by a calibrated thermocouple. The sample, to be taken at random from the batch, shall consist of 2 % of the batch with a minimum of two cones. 8 Marking Each reference cone conforming to this European Standard shall be
33、marked with the appropriate cone designation as shown in table 1. NOTE. The relationship between the properties of the IS0 cones and other commercially available cones is given in annex A. CEN EN*993-13 95 I 3404589 0094495 259 I Page 5 EN 993-13 : 1995 Annex A (informative) Comparison of the proper
34、ties of different brands of pyrometric reference cones lhble 2. Summary of reference temperatures and cone designations of ISO, Seger, Orton and H.P.C. pyrometric reference cones Reference temperature OC 605 650 675 695 715 735 760 785 815 835 845 855 880 890 900 925 940 965 975 995 1010 1020 LO40 L
35、O55 1070 1080 1100 1125 1145 1165 1185 1200 Segel - 022 o2 1 020 o19 018 017 016 015a 014a 013a 012a Olla 010a 09a 08a 07a 06a 05a 04a 03a 02a Ola la 2a 3a H.P.C - 022 02 1 020 o19 O18 017 016 015a 014a 013a 012a Olla 010a 09a 08a 07a 06a 05a 04a 03a 02a Ola la 2a 3a 4a 5a Ga Reference temperature O
36、C 1220 1230 1250 1260 1270 1280 1295 1315 1330 1340 1350 1375 1395 1410 1430 1440 1460 1470 1480 1490 1500 1510 1520 1530 1540 1560 1580 1600 1605 1620 1630 - IS0 150 152 154 156 158 160 162 - Seger 4a 5a 6a 7 8 9 LO 11 12 13 14 15 16 17 18 19 !O !6 !7 !7 V _ Orton 12 13 14 15 16 17 18 19 20 23 26 -
37、 H.P.C 7 8 9 LO 11 12 13 14 15 16 17 18 19 !O !6 !7 !8 Reference temperature OC 1640 1646 1660 1665 1680 1690 1700 1710 1720 1730 1740 1750 1760 1770 1780 1785 1800 1820 1830 1835 1850 1860 1880 1900 1920 1940 1960 1970 1980 2000 2015 - IS0 164 166 168 170 172 174 176 178 180 - Seger 28 29 30 31 32
38、32 V 33 33 !h 34 35 36 37 38 39 40 41 42 Orton 27 28 29 30 31 31 Yi 32 V 33 34 35 36 37 38 39 40 41 42 H.P.C. 29 30 31 32 33 34 35 36 37 38 39 40 41 42 CEN EN+993-13 95 W 3404589 0094496 II95 - BS EN 993-13 : 1995 National annex NA (informative) Committees responsible The United Kingdom participatio
39、n in the preparation of this European Standard was entrusted by the Refractory Products Standards Policy Committee (RPM/-) to Technical Committee RPM/l upon which the following bodies were represented: British Ceramic Research Ltd. British Industrial Ceramic Manufacturers Association British Metallu
40、rgical Plant Constructors Association British Steel Industry British Vermiculite Association Refractories Association of Great Britain Refractories Contractors Association Society of Glass Technology Previous page is blank BS EN 993-13 : 1995 BSI 389 Chiswick High Road London W4 4AL 9506 - 5 - 0.5k
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