SIST EN 1402-2:2004
(Main)Unshaped refractory products - Part 2: Sampling for testing
Unshaped refractory products - Part 2: Sampling for testing
This standard gives guidance for the sampling of unshaped refractory materials for the purpose of inspections and testing for quality and general information on the reduction and treatment of samples prior to testing. It covers all materials formulated for the purpose of monolithic refractory materials.
Ungeformte feuerfeste Erzeugnisse - Teil 2: Probenahme
Dieser Teil dieser Europäischen Norm gibt Richtlinien zur Probenahme ungeformter feuerfester Werkstoffe für Inspektionen und Qualitätsprüfungen sowie allgemeine Angaben zur Teilung und Behandlung von Proben vor der Prüfung. Er erfasst sämtliche Werkstoffe für monolithische feuerfeste Werkstoffe.
Produits réfractaires non-façonnés - Partie 2: Echantillonnage
La présente partie de la cette Norme européenne établit un guide pour l'échantillonnage des matériaux réfractaires non façonnés pour les besoins des inspections et contrôles de qualité ainsi que des informations générales sur la réduction et le traitement des échantillons avant essai. Elle s'applique a tous les matériaux conçus en tant que matériaux réfractaires non façonnés.
Neoblikovani ognjevzdržni izdelki - 2. del: Vzorčenje za preskušanje
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.QMHUngeformte feuerfeste Erzeugnisse - Teil 2: ProbenahmeProduits réfractaires non-façonnés - Partie 2: EchantillonnageUnshaped refractory products - Part 2: Sampling for testing81.080Ognjevzdržni materialiRefractoriesICS:Ta slovenski standard je istoveten z:EN 1402-2:2003SIST EN 1402-2:2004en01-maj-2004SIST EN 1402-2:2004SLOVENSKI
STANDARDSIST ENV 1402-2:19981DGRPHãþD
SIST EN 1402-2:2004
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1402-2October 2003ICSSupersedes ENV 1402-2:1997English versionUnshaped refractory products - Part 2: Sampling for testingProduits réfractaires non-façonnés - Partie 2:EchantillonnageUngeformte feuerfeste Erzeugnisse - Teil 2: ProbenahmeThis European Standard was approved by CEN on 20 June 2003.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1402-2:2003 ESIST EN 1402-2:2004
EN 1402-2:2003 (E)2ContentspageForeword.31Scope.42Normative references.43Terms and definitions.44Sampling scheme.54.1General principles.54.2Procurement of the batch sample.64.2.1Method.64.2.2Apparatus to take increments.84.2.3Method to take increments.84.3Size reduction of the increments.84.3.1General.84.3.2Reduction of a package increment using a riffle box.94.3.3Reduction of a package increment by quartering.94.3.4Increment reduction using a mechanical divider.94.4Test-piece increment achievement.95Marking, package, storage of increments.105.1Marking.105.2Package.105.3Storage.106Sampling report.10Annex A (informative)
Example.12A.1General.12A.2Batch supplied in 25 kg bags.12A.3Batch supplied in 1 ton big bags.12Bibliography.15SIST EN 1402-2:2004
EN 1402-2:2003 (E)3ForewordThis document (EN 1402-2:2003) has been prepared by Technical Committee CEN/TC 187 "Refractory productsand materials", the secretariat of which is held by BSI.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by April 2004, and conflicting national standards shall be withdrawn at the latest byApril 2004.This document supersedes ENV 1402-2:1997.EN 1402 “Unshaped refractory products“ consists of eight parts:¾ Part 1: Introduction and classification¾ Part 2: Sampling for testing¾ Part 3: Characterization as received¾ Part 4: Determination of consistency of castables¾ Part 5: Preparation and treatment of test pieces¾ Part 6: Measurement of physical properties¾ Part 7: Tests on pre-formed shapes¾ Part 8: Determination of complementary propertiesAnnex A is informative.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal,Slovakia, Spain, Sweden, Switzerland and the United Kingdom.SIST EN 1402-2:2004
EN 1402-2:2003 (E)41 Scope This part of this European Standard gives guidance on the sampling of unshaped refractory materials for the purposeof inspection and testing for quality and general information on the reduction and treatment of samples prior to testing.It covers all materials formulated as unshaped refractory materials.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 932-1, Tests for general properties of aggregates - Part 1: Methods for sampling.ISO 8656-1, Refractory products - Sampling of raw materials and unshaped products - Part 1: Sampling scheme.3 Terms and definitionsFor the purposes of this European Standard, the following terms and definitions apply.3.1batchlotquantity of material from which a sample is to be achieved for testing to determine the quality of the materialNOTEA batch consists of material characterised as being of the same type, composition, grading and which, as far as practical,has been manufactured under the same conditions.3.2consignmentquantity of material supplied at one timeNOTEA consignment may consist of one or more batches or parts of batches.3.3unit packagepackaged part of a batch which can be a bag or a big bag (castables, gunning material, ramming mixes), a carton(plastics), wrapped block (tap hole mixes), a drum or a can (injection material, refractory grout.)NOTEA pallet is not a unit package.3.4incrementquantity of material taken at one time from a larger quantity3.4.1elementary incrementquantity of material taken at one time from a unit packageNOTEThis operation repeated a number of times will constitute a package increment after mixing.3.4.2package incrementincrement that is representative of the unit packageSIST EN 1402-2:2004
EN 1402-2:2003 (E)5NOTE 1It can be the unit package itself or the result of mixing a certain number of elementary increments.NOTE 2The mass and number of elementary increments which are necessary to form the package increment are defined inaccordance with ISO 8656-1.3.4.3laboratory incrementpackage increment that has been reduced by an approved method3.4.4test-piece incrementtest bars or cylinders obtained by shaping the laboratory increment necessary to carry out several physical tests (e.g.castable test bars for cold modulus of rupture testing)3.5sampleone or more increments taken from a batch which are to be used to provide information on the batch and to allow adecision concerning the quality of the batch3.5.1batch sampleset of package increments representative of the batchNOTEThe number of package increments which are to form the batch sample, should be agreed by the principal partiesinvolved. ISO 5022 or other sampling schemes may be used.3.5.2laboratory sampleset of laboratory incrementsNOTEThe number of laboratory increments is the same as the number of package increments.3.5.3test-piece sampleset of test-piece incrementsNOTEThe number of test increments can be higher than the number of laboratory increments and is governed by EN teststandards.4 Sampling scheme4.1 General principles4.1.1It is essential that the adoption of a particular sampling scheme be agreed by the principal parties and thata detailed sampling plan be documented and made available to those responsible for the taking and testing of theincrements. The basic framework of a scheme requires decisions and documentation on the following:a)the constitution and description of the total material to be sampled;b)the identification of batches and quantities which make up the total material;c)the type of packaging and mass content for each type of material;d)the parties responsible for sampling and testing who may be third parties;e)the location, timing and method of sampling;f)the level of sampling, population of increments;g)the properties to be measured;SIST EN 1402-2:2004
EN 1402-2:2003 (E)6h)the methods of test (reference to EN number);i)the criteria for assessing values of measured properties for deciding batch quality.4.1.2In all cases during sampling, increment division, preparation and storage of the increments, care shall betaken to protect against any changes in the properties to be tested.4.1.3Sampling shall be performed under the supervision of a person having adequate experience on sampling.The sampler shall be approved either by the interested parties or by the appropriate body or bodies. The samplershall be informed of the aim of the sampling.4.1.4When individual batches are identified, agreement should be made between the parties on whether, or towhat degree, a large batch should be subdivided into smaller batches. This may be undertaken to avoid thepossibility of the whole of a large batch being rejected because of a problem with a proportion of it.4.1.5When a sample is required for third party certification of factory production control as the product is beingmade, the sample shall be achieved by the same method that the producer uses to obtain a sample for productioncontrol purposes.4.1.6Where required, the consignment may be subdivided into individual test batches for example, if it is clearthat the consignment consists of various batches or should be treated in separate partial quantities.4.1.7The framework of sampling is presented in Figures A.1 to A.3.4.2 Procurement of the batch sample4.2.1 MethodIdentify the test batch, i.e. of the consignment or part of the consignment to be sampled (nature of the product,mass, transport conditions, etc.);Identify the unit package. The average weight of this unit package shall be known;Obtain the number of package increments which are to form the batch sample as agreed between parties. Thesampling scheme of ISO 5022 can be agreed by the parties if the unit packages, considered as equivalent toshaped pieces, weigh less than 35 kg;Randomly, select this number of the unit packages from the batch;Proceed to sample the selected unit packages, if their mass is more than 35 kg. This means obtain a packageincrement of each of these unit packages. In this case, ISO 8656-1 shall be applied to determine the mass and thenumber of elementary increments which are necessary to obtain the package increment:a)estimate the maximum grain size of the material. This estimation is important because the minimum massof the elementary increment shall be determined, taking into account the maximum grain size of the material inorder to avoid systematic errors during sampling (see Table 1).Table 1 — Minimum mass of elementary increment depending on the maximum grain sizeMaximum grain size mmMinimum mass of elementaryincrement g1031500 g200 g 50 gSIST EN 1402-2:2004
EN 1402-2:2003 (E)7NOTE 1The masses of the elementary increments relate to a bulk density greater than 1 g/cm3. For lower bulkdensities, the mass of the elementary increment can be determined by multiplying the numerical value in the tableby the bulk density of the material.NOTE 2Special agreements should be made in the case of very lumpy products. In the case of pre-ground orpre-homogenized material, the minimum mass of the elementary increment can be determined, not from the grainsize of the coarsest aggregate, but from the maximum size of th
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