1、October 2012 Translation by DIN-Sprachendienst.English price group 12No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC
2、S 75.120!$0“1919213www.din.deDDIN EN ISO 4404-1Petroleum and related products Determination of the corrosion resistance of fire-resistant hydraulicfluids Part 1: Water-containing fluids (ISO 4404-1:2012);English version EN ISO 4404-1:2012,English translation of DIN EN ISO 4404-1:2012-10Minerallerzeu
3、gnisse und verwandte Produkte Bestimmung der korrosionsverhindernden Eigenschaften von schwer entflammbarenDruckflssigkeiten Teil 1: Wasser enthaltende Flssigkeiten (ISO 4404-1:2012);Englische Fassung EN ISO 4404-1:2012,Englische bersetzung von DIN EN ISO 4404-1:2012-10Ptrole et produits connexes Dt
4、ermination de la rsistance la corrosion de fluides hydrauliques difficilementinflammables Partie 1: Fluides contenant de leau (ISO 4404-1:2012);Version anglaise EN ISO 4404-1:2012,Traduction anglaise de DIN EN ISO 4404-1:2012-10SupersedesDIN EN ISO 4404-1:2006-11www.beuth.deDocument comprises 23 pag
5、esIn case of doubt, the German-language original shall be considered authoritative.09.12 DIN EN ISO 4404-1:2012-10 2 National foreword This standard has been prepared by Technical Committee ISO/TC 28 “Petroleum products and lubricants” (Secretariat: ANSI, USA) in collaboration with Technical Committ
6、ee CEN/TC 19 “Gaseous and liquid fuels, lubricants and related products of petroleum, synthetic and biological origin” (Secretariat: NEN, Netherlands). The responsible German body involved in its preparation was the Normenausschuss Materialprfung (Materials Testing Standards Committee), Working Comm
7、ittee NA 062-06-61 AA Prfung von Schmierlen, sonstigen len und Paraffinen of the Fachausschuss Minerall- und Brennstoffnormung of the Fachausschuss Minerall- und Brennstoffnormung. DIN EN ISO 4404 consists of the following parts, under the general title Petroleum and related products Determination o
8、f the corrosion resistance of fire-resistant hydraulic fluids: Part 1: Water-containing fluids Part 2: Non-aqueous fluids The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 648 DIN EN ISO 648 ISO 3696 DIN ISO 3696 ISO 4404-2 DIN EN ISO 440
9、4-2 ISO 6344-1 DIN ISO 6344-1 ISO 6743-4 DIN EN ISO 6743-4 ISO 20783-1 DIN EN ISO 20783-1 Amendments This standard differs from DIN EN ISO 4404-1:2006-11 as follows: a) normative references have been updated; b) shims (6.7) have been included to increase the suspension length; c) for the assessment
10、of HFA fluids reference is now made to ISO 20783-1 (instead of DIN 51346); d) test water No 4 has been added in Tables A.1 and A.2; e) the composition of the standard test strips in Table B.1 has been revised; f) Annex D “Table for reporting of results” has been added. Previous editions DIN EN ISO 4
11、404-1: 2006-11 A comma is used as the decimal marker. DIN EN ISO 4404-1:2012-10 3 National Annex NA (informativ) Bibliography DIN EN ISO 648, Laboratory glassware Single-volume pipettes DIN EN ISO 4404-2, Petroleum and related products Determination of the corrosion resistance of fire-resistant hydr
12、aulic fluids Part 2: Non-aqueous fluids DIN EN ISO 6743-4, Lubricants, industrial oils and related products (class L) Classification Part 4: Family H (Hydraulic systems) DIN EN ISO 20783-1, Petroleum and related products Determination of emulsion stability of fire-resistant fluids Part 1: Fluids in
13、category HFAE DIN ISO 3696, Water for analytical laboratory use Specification and test methods DIN ISO 6344-1, Coated abrasives Grain size analysis Part 1: Grain size distribution test DIN EN ISO 4404-1:2012-10 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN I
14、SO 4404-1 July 2012 ICS 75.120 Supersedes EN ISO 4404-1:2006 English Version Petroleum and related products Determination of the corrosion resistance of fire-resistant hydraulic fluids Part 1: Water-containing fluids (ISO 4404-1:2012) Ptrole et produits connexes Dtermination de la rsistance la corro
15、sion de fluides hydrauliques difficilement inflammables Partie 1: Fluides contenant de leau (ISO 4404-1:2012) Minerallerzeugnisse und verwandte Produkte Bestimmung der korrosionsverhindernden Eigenschaften von schwer entflammbaren Druckflssigkeiten Teil 1: Wasser enthaltende Flssigkeiten (ISO 4404-1
16、:2012) This European Standard was approved by CEN on 30 June 2012. 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
17、 references concerning such national standards may be obtained on application to the CEN-CENELEC 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 translation under the responsibility of
18、 a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Mac
19、edonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EU
20、ROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 4404-1:2012: E ISO 4404-1:2012(E)Contents PageForeword Introduction 1 Scope 2 Normative refe
21、rences .3 Terms and definitions .4 Principle .5 Reagents and materials .6 Apparatus 7 Producing the test fluid from an HFA-type fluid concentrate18 Procedure 8.1 Test preparation .8.2 Test 8.3 Assessment 119 Expression of results .1310 Precision 1311 Test report .13Annex A (normative) Preparation of
22、 test waters 14Annex B (informative) Specifications of alternative standard materials for test strips 16Annex C (informative) Explanatory comments .1Annex D (informative) Table for reporting of results.1Bibliography .1DIN EN ISO 4404-1:2012-10 234555666101010111EN ISO 4404-1:2012 (E) Foreword This d
23、ocument (EN ISO 4404-1:2012) has been prepared by Technical Committee ISO/TC 28 “Petroleum products and lubricants“ in collaboration Technical Committee CEN/TC 19 “Gaseous and liquid fuels, lubricants and related products of petroleum, synthetic and biological origin” the secretariat of which is hel
24、d by NEN. 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 January 2013, and conflicting national standards shall be withdrawn at the latest by January 2013. Attention is drawn to the possibility t
25、hat some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 4404-1:2006. According to the CEN/CENELEC Internal Regulations, the national standards organi
26、zations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, M
27、alta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 4404-1:2012 has been approved by CEN as a EN ISO 4404-1:2012 without any modification. DIN EN ISO 4404-1:2012-10 3ISO 4404-1:2012(E)
28、IntroductionWater-containing hydraulic fluids are used in systems where fire resistance is required due to operating conditions. The corrosion resistance of such fluids has to be assessed in order to choose a suitable system design and prepare maintenance instructions.DIN EN ISO 4404-1:2012-10 4WARN
29、ING The use of this part of ISO 4404 may involve hazardous materials, operations and equipment. This part of ISO 4404 does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this part of ISO 4404 to establish appropriate safety and heal
30、th practices and determine the applicability of regulatory limitations prior to use.1 ScopeThis part of ISO 4404 specifies a test method to determine the influence on metals of fire-resistant fluids in categories HFA, HFB and HFC, as classified in ISO 6743-4. It evaluates the corrosion protection pr
31、ovided by these fluids towards metal components used in hydraulic systems and installations.A similar technique for fluids in category HFD is described in ISO 4404-2.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references,
32、 only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 648: 2008, Laboratory glassware Single-volume pipettesISO 3696: 1987, Water for analytical laboratory use Specification and test methodsISO 3819: 1985, Labora
33、tory glassware BeakersISO 5598: 2008, Fluid power systems and components VocabularyISO 6344-1: 1998, Coated abrasives Grain size analysis Part 1: Grain size distribution testISO 20783-1: 2011, Petroleum and related products Determination of emulsion stability of fire-resistant fluids Part 1: Fluids
34、in category HFAEDIN 12331: 1988, Laboratory glassware; beakers3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 5598:2008 apply.DIN EN ISO 4404-1:2012-10 5ISO 4404-1:2012(E)ISO 4404-1:2012(E)4 PrincipleTest strips of appropriate metals, both singly and
35、in pairs, are partially submerged in the test fluid at a specific temperature and for a specific period. The change in mass of each test strip, its surface appearance and the change in the appearance of the fluid during the test are determined.NOTE 1 When assessing the corrosivity of HFAE and HFAS f
36、luids, it may be necessary to dilute an additive concentrate with water and the quality of the water can significantly affect the test results. The diluent, therefore, needs to be chosen carefully and, preferably, to be representative of commercial use. The selection could be one of the test waters
37、listed in Annex A, deionized water or mains water as agreed between the user and the fluid supplier.NOTE 2 The selection of the metals for corrosion testing may depend on the application and on the type of fluid being tested. For example, aluminium may not be used in mining applications while contac
38、t between HFC fluids and zinc shall be minimized as far as possible.5 Reagents and materials5.1 Acetone, analytical grade.5.2 Heptane, analytical grade.5.3 Water, selected from one of the following:a) a test water of composition specified in Annex A,b) deionized water conforming to grade 3 of ISO 36
39、96:1987, orc) the supply water to be used commercially.5.4 Metal salts (listed in Table A.1), analytical grade.6 Apparatus6.1 Glass beakers, of capacity 400 ml, height approximately 135 mm, without a spout, conforming to ISO 3819:1985 (see Figure 1). A maximum of ten is required for each test fluid.
40、6.2 Glass beaker, type H 1000, conforming to DIN 12331:1988 (of capacity 1 000 ml).6.3 Pipette, complying with ISO 648:2008, class A.6.4 Watch glasses (ten required), for covering the beakers (6.1), with a hole in the centre for suspending glass hooks (6.5) (see Figures 1 and 2).6.5 Glass hooks, all
41、owing free suspension of the test strips in the beaker and formed in such a way that the hole in the watch glass will be closed by the suspension device (see Figures 1 and 2).6.6 Heating bath or oven, thermostatically controlled and capable of maintaining the test fluids at 35 C 1 C. If a heating ba
42、th is used, it shall be equipped to allow adequate stirring to ensure even temperature distribution.6.7 Shims, of rubber, cork or plastic, 8 mm thick and 1,5 cm to 2 cm in diameter.6.8 Analytical balance, accurate to 0,000 2 g.6.9 Abrasive paper, of different aluminium oxide grit sizes, including P
43、120, P 400 and P 600 types according to ISO 6344-1:1998.DIN EN ISO 4404-1:2012-10 6ISO 4404-1:2012(E)6.10 Cotton wool.6.11 Plastic tweezers, suitable for handling the test strips.6.12 Desiccator, containing dry silica gel desiccant. Alternatively, a vacuum desiccator may be used.6.13 Abrasive wheel
44、(fine), rotating at approximately 1 400 r/min.6.14 Test strips, of the materials listed in Table 1, measuring 100 mm 20 mm 1 mm and having a hole of 4 mm in diameter at one end for suspending on the glass hook (6.5).The steel test strips shall be non-heat-treated.Test strips measuring 100 mm 20 mm 2
45、 mm may also be used.NOTE 1 This test can be performed with any other material (metal and/or alloy) used in hydraulic systems, provided that the dimensions of the test strips are observed as specified in this subclause.NOTE 2 Zinc reacts chemically with some water-based fluids, particularly water po
46、lymer (water glycol) solutions. For this reason, the use of zinc in systems containing HFC fluids is currently limited to small fixtures and fittings.6.15 Spacer, of nylon, rectangular, 15 mm 10 mm 1 mm, with two holes of 5 mm in diameter, for the glass hook (6.5) and bolt (6.16) (see Figure 2).6.16
47、 Fixing.NOTE M4 16 machine screw, Nylon 6.6, and plain nut, Nylon 6.6.DIN EN ISO 4404-1:2012-10 7ISO 4404-1:2012(E)Dimensions in millimetresKey1 watch glass2 glass hook3 beaker without a spout4 test strip5 test fluidFigure 1 Assembly for a single test stripDIN EN ISO 4404-1:2012-10 8ISO 4404-1:2012(
48、E)Dimensions in millimetresKey 1 watch glass 5 nylon bolt and nut, diameter 42 shim 6 pair of test strips3 glass hook 7 beaker without a spout4 nylon spacer (15 10 1) 8 test fluidFigure 2 Assembly for a pair of test stripsDIN EN ISO 4404-1:2012-10 9ISO 4404-1:2012(E)Table 1 Specifications of standard test materials for test stripsMetal Composition% (m/m)ReferencesISO (grade)EN (grade)ASTM (grade)Steel FeCMnS
