BS ISO 6743-9-2004 en_8467 Lubricants industrial oils and related products (class L) - Classification - Family X (Greases)《润滑剂、工业润滑油和有关产品(L类).分类.X族(润滑脂)》.pdf

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1、BRITISH STANDARD BS ISO 6743-9:2003 Lubricants, industrial oils and related products (class L) Classification Part 9: Family X (Greases) ICS 75.100 BS ISO 6743-9:2003 This British Standard was published under the authority of the Standards Policy and S t r a t e g y C o m m i t t e e o n 10 February

2、 2004 BSI 10 February 2004 ISBN 0 580 43387 0 National foreword This British Standard reproduces verbatim ISO 6743-9:2003 and implements it as the UK national standard. It supersedes BS 6413-9:1988 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PTI/7

3、, Lubricants and process fluids, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI

4、Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for it

5、s correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interes

6、ts informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii and iii, a blank page, pages 1 to 7 and a back cover. The BSI copyright notice displayed in

7、this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsINTERNATIONAL STANDARD ISO 6743-9 Second edition 2003-04-01 Reference number ISO 6743-9:2003(E) Lubricants, industrial oils and related products (class L) Classification Part 9: Famil

8、y X (Greases) Lubrifiants, huiles industrielles et produits connexes (classe L) Classification Partie 9: Famille X (Graisses)BSISO67439:2003ii FDP dicslaimre This FDP fam elitnoc yt deddebme niayfep.seca In roccatiw ecnadA hycilop gnisnecil sebod, thf sim eliarp eb ytnieiv ro dewb detu sllah ton eb

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11、 seidob. In the kilnuley evtne ttah a borpmel talerign to ti f si,dnuo saelpfni erom teh tneCS larterceratai ta thserdda es igvne olebw. ISO 3002 Ar llieser sthgrvsselnU .de torehceps esiwfi,dei rap ont iht fos bupliactim noarper eb yro decudo tuzilina ni dey from b roy nasnaem y, tcelernahcem ro ci

12、noicla, inclidung tohppocoying m dnaicrfomli, tiwtuoh permini noiss wrtif gnirmo ietI rehSO ta tserdda eheb slow or SIsO memreb ydob in toc ehtnury fo tr ehtseuqeer. ISO copyrithg fofiec tsop esaCela 65 G 1121-HCeneva 02 T.le + 22 14 10 947 11 Fxa + 14 47 2290 9 74 E-liam copyrightsio.gro Web wwwsi.

13、oo.rg BSISO67439:2003 ISO 3002 r llAithgs reservde iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees.

14、 Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Interna

15、tional Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies

16、 for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this part of ISO 6743 may be the subject of patent rights. ISO shall not be held responsible for identifyin

17、g any or all such patent rights. International Standard ISO 6743-9 was prepared by Technical Committee ISO/TC 28, Petroleum products and lubricants, Subcommittee SC 4, Classifications and specifications. This second edition cancels and replaces the first edition (ISO 6743-9:1987), which has been tec

18、hnically revised. ISO 6743 consists of the following parts, under the general title Lubricants, industrial oils and related products (class L) Classification: Part 1: Family A (Total loss systems) Part 2: Family F (Spindle bearings, bearings and associated clutches) Part 3: Family D (Compressors) Pa

19、rt 4: Family H (Hydraulic systems) Part 5: Family T (Turbines) Part 6: Family C (Gears) Part 7: Family M (Metalworking) Part 8: Family R (Temporary protection against corrosion) Part 9: Family X (Greases) Part 10: Family Y (Miscellaneous) Part 11: Family P (Pneumatic tools) Part 12: Family Q (Heat t

20、ransfer fluids) Part 13: Family G (Slideways) Part 14: Family U (Heat treatment) Part 15: Family E (Internal combustion engine oils) Part 3A: Family D (Compressors) Part 3B: Family D (Gas and refrigeration compressors) Part 99: General Annex A of this part of ISO 6743 is for information only. BSISO6

21、7439:2003ANRETNIITOTS LANDNADRA OSI -34763002:9)E( ISO 3002 r llAithgs reservde 1 Lubricants, industrial oils and related products (class L) Classification Part 9: Family X (Greases) 1 Scope This part of ISO 6743 establishes a detailed classification of family X (Greases) which belongs to class L (L

22、ubricants, industrial oils and related products). It should be read in conjunction with ISO 6743-99 1 . This classification applies to categories of greases used for lubrication of equipment, components of machines, vehicles, etc. The greases have been classified according to the operating condition

23、s under which they are used, because the versatile nature of grease makes it impractical to classify them according to the end use. It will therefore be necessary to consult the supplier to be certain that the grease can be used in, for example, rolling bearings or pumped supply systems, and also co

24、ncerning the compatibility of products. In this classification, a grease cannot have more than one symbol. This symbol should correspond to the most severe conditions of temperature, water contamination and load in which the grease can be used. NOTE This part of ISO 6743 does not pretend to cover th

25、e classification of greases intended for very special applications. It is up to the end-user and the supplier to negotiate the applicability of such greases, on the basis of relevant laboratory and/or field testing. 2 Normative references The following normative documents contain provisions which, t

26、hrough reference in this text, constitute provisions of this part of ISO 6743. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part of ISO 6743 are encouraged to investigate the possibility of apply

27、ing the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 2137:1985, Petroleum products Lubricating greas

28、e and petrolatum Determination of cone penetration ISO 8681:1986, Petroleum products and lubricants Method of classification Definition of classes 3 Explanation of symbols used 3.1 The detailed classification of family X is based on the conditions of grease use. 3.2 In accordance with ISO 8681, the

29、complete designation of the grease includes: the initials ISO; the letter L for the class “lubricants, industrial oils and related products”; BSISO67439:20032 the category of the grease constituted by a group of five letters where each letter and the order in which it is written has a particular sig

30、nificance: the letter X for the family grease, the lower operating temperature (symbol 1), the upper operating temperature (symbol 2), the ability of the grease to provide satisfactory lubrication in water contamination conditions, and to provide the level of anti-rust protection (symbol 3), the abi

31、lity of the grease to lubricate in the presence of high loads (symbol 4); the NLGI consistency number 1)of the grease corresponding to the measured penetration level according to ISO 2137. 3.3 In this classification system, products are designated in a uniform manner, each letter having a significan

32、ce of its own. It is therefore imperative that the order of writing shown in Table 1 be used. For instance, a grease for use under the following operating conditions: lower operating temperature: ; upper operating temperature: ; water contamination: environmental conditions water wash; anti-rust: no

33、ne; extreme pressure (EP): yes; NLGI consistency number: 00; will have the ISO designation: ISO-L-XBEGB 00. 4 Detailed classification The detailed classification is as follows. The grease characteristics are determined according to the specifications detailed in annex A. From the test results, the c

34、orrect designation symbols can be determined. The operating-temperature range of the grease is determined from Table 2 and comprises two symbols: the lowest operating temperature and the maximum continuous operating temperature. The ability of the grease to provide satisfactory lubrication in condit

35、ions where water contamination is possible, and to provide the level of anti-rust protection is described in Table 3. Table 4 describes the requirements for symbol 4, according to the ability of the grease to lubricate in the presence of high loads. The NLGI consistency makes up the final digits in

36、the designation system (see Table 5). 1) For the definition of the NLGI consistency number, see ISO 6743-99 1 . NLGI: National Lubricating Grease Institute 20 C + 160 C BSISO67439:2003 ISO 3002 r llAithgs reservde 3 The detailed classification of greases is shown in Table 6. Table 1 Order of letters

37、 for designation of greases ISO L X Symbol 1 Symbol 2 Symbol 3 Symbol 4 NLGI number ISO initials Class of lubricants Family grease Lower operating temperature Upper operating temperature Water contamination Ability ro lubricate under high loads Extreme pressure (EP) properties Consistency Example (s

38、ee 3.3) ISO L X B E G B 00 Table 2 Operating-temperature range Symbol 1 Symbol 2 Lower operating temperature Upper operating temperature Temperature ( ) Symbol 1 Temperature ( ) Symbol 2 0A6 0A B9 0B C 120 C D 140 D E 160 E 180 F G Table 3 Level of water resistance and protection against corrosion W

39、ater contamination a Anti-rust protection b Symbol 3 LLA LMB LHC MLD MME MHF HLG HMH HHI a L = dry; M = static; H = water wash. b L = no protection; M = protect in the presence of water; H = protect in the presence of salt water. Table 4 Ability to lubricate under high loads Extreme pressure (EP) pr

40、operties Symbol 4 No A Ye s B C C 20 30 40180 BSISO67439:20034 Table 5 NLGI consistency number NLGI class Worked penetration range (60 double strokes) 000 445 to 475 00 400 to 430 0 355 to 385 1 310 to 340 2 265 to 295 3 220 to 250 4 175 to 205 5 130 to 160 6 85 to 115 BSISO67439:2003 ISO 3002 r llA

41、ithgs reservde 5 Table 6 Classification of greases General application Application requirements Designation ISO-L Range of operating temperature Water contamination Symbol 3 Load (EP) Symbol 4 Consist- ency Lower temperature a() Symbol 1 Upper temperature b() Symbol 2 Lubrication requiring grease 0

42、A 60 A Ability of the grease to provide satisfactory lubrication in water- contamination conditions, and to provide the level of anti-rust protection described in Ta b l e 3 . A Ability of the grease to lubricate in the presence of high loads requiring extreme pressure properties. See Ta b l e 4 . A

43、 Associate the appropriate NLGI number, as shown in T able 5, with the other symbols. The designation of a grease is made by associating symbol X with other symbols 1, 2, 3 and 4 and with the NLGI consistency number as illustrated in 3.3. 90 B B B 120 C C 140 D D 160 E E 180 F FGG B6 0A H 90 B I 120

44、 C 140 D 160 E 180 F G C 6 0 A 90 B 120 C 140 D 160 E 180 F G D 6 0 A 90 B 120 C 140 D 160 E 180 FG E 6 0 A 90 B 120 C 140 D 160 E 180 FG a The lowest temperature experienced while starting or running, or while pumping the grease. b The highest temperature of the lubricated component when in service

45、. C C 180 20 180 30 180 40 180180 BSISO67439:20036 Annex A (informative) Explanatory notice about specifications of greases The International Standard for specifications of greases is still in the course of development, and will be referenced as ISO 12924 12 . At present these specification limits a

46、re being established to determine how to evaluate the following properties: lower operating temperature for symbol 1; upper operating temperature for symbol 2; water contamination for symbol 3; anti-rust protection for symbol 3; ability to lubricate under high loads for symbol 4. Symbol 1: The appli

47、cability of greases at the various temperatures listed in T able 2 is defined by a flowability criterion at the said temperature, using one of the following methods: ISO 13737 4or DIN 51805 5or ASTM D1478 9 . Symbol 2: The applicability of greases at the various temperatures listed in Table 2 is def

48、ined by a life test in a bearing running at the said temperature, using either of the following methods: ASTM D3336 11or DIN 51821-2 7 . Symbol 3: This defines the level of water resistance and protection against corrosion; it corresponds to the combination of two properties, e.g. the resistance to water contamination and the level of anti-rust protection. The level of anti-rust protection is assessed using ISO 11007 2 . The resistance to water contamination is assessed using ISO 11009 3for the water wash conditions, and using DIN 51807-1 6for the static conditions. Symbol 4: The ability to

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