EN 14205:2003

Natural stone test methods - Determination of Knoop hardness

This European Standard specifies a method of determining the hardness of natural stone using the Knoop indenter.

Prüfverfahren für Naturstein - Bestimmung der Härte nach Knoop

Diese Europäische Norm legt ein Verfahren zur Bestimmung der Härte von Naturstein durch Anwendung des Knoop-Eindringkörpers fest.

Méthode d'essai pour pierres naturelles - Détermination de la dureté Knoop

La présente Norme européenne définit une méthode de détermination de la dureté de la pierre naturelle au moyen du système Knoop.

Preskušanje naravnega kamna – Določitev trdote po Knoopu

General Information

• Status: Withdrawn
• Publication Date: 25-Nov-2003
• Withdrawal Date: 23-Jul-2013
• ICS: 73.020 - Mining and quarrying
• ICS: 91.100.15 - Mineral materials and products
• Technical Committee: CEN/TC 246 - Natural stones
• Drafting Committee: CEN/TC 246/WG 2 - Test methods
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Start Date: 24-Jul-2013
• Completion Date: 24-Jul-2013
• Ref Project: SIST EN 14205:2004 - Natural stone test methods - Determination of Knoop hardness

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Prüfverfahren für Naturstein - Bestimmung der Härte nach KnoopMéthode d'essai pour pierres naturelles - Détermination de la dureté KnoopNatural stone test methods - Determination of Knoop hardness91.100.15Mineralni materiali in izdelkiMineral materials and products73.020Rudarstvo in kamnolomsko izkopavanjeMining and quarryingICS:Ta slovenski standard je istoveten z:EN 14205:2003SIST EN 14205:2004en01-julij-2004SIST EN 14205:2004SLOVENSKI
STANDARD



SIST EN 14205:2004



EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14205November 2003ICS 73.020; 91.100.15English versionNatural stone test methods - Determination of Knoop hardnessMéthodes d'essai pour les pierres naturelles -Détermination de la dureté KnoopPrüfverfahren für Naturstein - Bestimmung der Härte nachKnoopThis European Standard was approved by CEN on 1 September 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 14205:2003 ESIST EN 14205:2004



EN 14205:2003 (E)2Contents
pageForeword.31Scope.42Principle.43Symbols.44Apparatus.45Preparation of the specimens.45.1Sampling.45.2Number of specimens.46Test procedure.57Expression of results.68Test report.6SIST EN 14205:2004



EN 14205:2003 (E)3ForewordThis document (EN 14205:2003) has been prepared by Technical Committee CEN/TC 246, "Natural stones", thesecretariat of which is held by UNI.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 May 2004, and conflicting national standards shall be withdrawn at the latest byMay 2004.This standard is one of the series of standards for tests on natural stone.Test methods for natural stone consist of the following parts:EN 1925, Natural stone test methods – Determination of water absorption coefficient by capillarityEN 1926, Natural stone test methods – Determination of compressive strengthEN 1936, Natural stone test methods – Determination of real density and apparent density and of total and openporosityEN 12370, Natural stone test methods – Determination of resistance to salt crystallisationEN 12371, Natural stone test methods - Determination of frost resistanceEN 12372, Natur
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