1、Designation:C43017Standard Test Method forFineness of Hydraulic Cement by the 45-m(No.325)Sieve1This standard is issued under the fixed designation C430;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numb
2、er in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This test method covers the determination of the fine-ness of hydraulic cement by means of the 45-m(No.325)sieve.1.2 The values stated in SI u
3、nits are to be regarded as thestandard.The inch-pound equivalents of SI units may beapproximate.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and envi
4、ronmental practices and deter-mine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standa
5、rds,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C125 Terminology Relating to Concrete and Concrete Ag-gregatesC219 Terminology Relating to Hydraulic CementE11 Specification for Woven Wire Test S
6、ieve Cloth and TestSievesE161 Specification for Precision Electroformed SievesE177 Practice for Use of the Terms Precision and Bias inASTM Test Methods3.Terminology3.1 Definitions:3.2 For definitions of terms used in this test method,refer toTerminology C125 and C219.4.Apparatus4.1 Sieve:4.1.1 Sieve
7、 FrameThe sieve frame shall be of metal notsubject to corrosion by water and shall be circular,either 51 66 mm(2.0 6 0.25 in.)when woven-wire cloth is mounted inthe frame or 76 6 6 mm(3.0 6 0.25 in.)in diameter when anelectroformed sheet is mounted in the frame.The depth of thesieve from the top of
8、the frame to the cloth or sheet shall be 766 6 mm(3.0 6 0.25 in.).The frame shall have either side wallsof 89 6 6 mm(3.5 6 0.25 in.)in total height,or legs at least12 mm(0.5 in.)in length,sufficient to allow air circulationbeneath the sieve cloth or electroformed sheet.4.1.2 Sieve Cloth or Electrofo
9、rmed SheetThe sieve frameshall be fitted with either a 45-m(No.325)stainless steelAISIType 304 woven-wire sieve cloth,conforming to the require-ments of Specification E11 or a 45-m electroformed rein-forced nickel sieve sheet conforming to the requirements ofSpecification E161 with the exception tha
10、t the number ofopenings shall be 71 6 2 per linear centimetre(180 6 5 perlinear inch).4.1.3 Cloth or Sheet Mounting:4.1.3.1 Woven-Wire Cloth MountingType 304 stainlesssteel woven-type cloth shall be mounted in the frame withoutdistortion,looseness,or wrinkling.For a sieve fabricated bysoldering the
11、cloth to the frame,the joint shall be made smoothto prevent the cement from catching in the joints between thesieve cloth and the frame.Two-piece sieves shall clamp tightlyon the cloth to prevent the cement from catching in the jointsbetween the sieve cloth and the frame.4.1.3.2 ElectroformedSieveSh
12、eetMountingElectroformed reinforced nickel sieve sheet shall be mountedin the frame without distortion,looseness,or wrinkling.Thejoint between the sieve cloth and the frame shall be madesmooth with a material impervious to water.4.2 Spray NozzleThe spray nozzle(Fig.1)shall be con-structed of metal n
13、ot subject to corrosion by water and shall be17.5 mm(0.69 in.)in inside diameter with a central hole drilledin line with the longitudinal axis,an intermediate row of eightholes drilled 6 mm(0.23 in.)center-to-center at an angle of 5from the longitudinal axis,and an outer row of eight holesdrilled 11
14、 mm(0.44 in.)center-to-center at an angle of 10from the longitudinal axis.All holes shall be 0.5 mm(0.02 in.)in diameter.The spray nozzle shall have been checked within1This test method is under the jurisdiction of ASTM Committee C01 on Cementand is the direct responsibility of Subcommittee C01.25 o
15、n Fineness.Current edition approved Dec.1,2017.Published December 2017.Originallyapproved in 1959.Last previous edition approved in 2015 as C430 08(2015).DOI:10.1520/C0430-17.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Ann
16、ual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and R
