1、Designation:C66216An American National StandardStandard Specification forImpervious Graphite Pipe and Threading1This standard is issued under the fixed designation C662;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last
2、 revision.A number 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 specification covers the standardization of the pipesizes and types of threads used to join impervious graphite pipeand f
3、ittings.The thread standards may also be applied toimpervious carbon pipe and fittings.It is limited to physicaldimensions.2.Terminology2.1 Definitions:2.1.1 impervious graphite,nmanufactured graphite thathas been impregnated with a resinous material to make the finalarticle impervious to liquids in
4、 the recommended operatingrange.2.1.2 impervious carbon,nmanufactured non-graphitizedstructural carbon that has been impregnated with a resinousmaterial to make the final article impervious to liquids in therecommended operating range.3.Requirements for Impervious Graphite Pipe3.1 The eight standard
5、 pipe sizes are shown in Table 1 withpermissible variations in dimensions.3.2 Fig.1 gives the male thread dimensions for imperviousgraphite pipe.3.3 Fig.2 gives the female thread dimensions for impervi-ous graphite fittings.4.Keywords4.1 impervious carbon pipe;impervious graphite pipe;threading spec
6、ifications1This specification is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.F0 on Manufactured Carbon and Graphite Products.Current edition approved Jan.1,2016.Published February 2016.Originallyapp
7、roved in 1970.Last previous edition approved in 2010 as C662 70(2010).DOI:10.1520/C0662-16.*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 States1 TABLE 1 Physical Dimensions of Imp
8、ervious Graphite PipePipe Size(nominalInsideDiameter),in.Typical LimitsLengthAInside DiameterOutside Diameterminmaxminmaxin.+140mm+60 0in.mmin.mmin.mmin.mm1151623.8111627.01316437.7191639.71082740.112171636.5191639.71616449.6211652.41082740.21151649.2211652.42111668.32131671.41082740.32151674.631482
9、.64101.64316106.41082740.431516100.0414108.0514133.4512139.71082740.651516150.8614158.87716188.971316198.41082740.8B8116204.88316208.0912241.3934247.7721830.10B1016255.610316258.81212317.51234323.9721830.AMaximum curvature12%of length measured chord to arc.BMachined limits for 8 in.and 10 in.size pi
10、pe.All others are extruded to size.Pipe Size11122346810A111223468181018B112223445147129581258D1818532532532532532532E131613161116151615161916115162316J maxmin1.4361.4301.9061.8982.5892.5813.8993.8875.1495.1377.3197.3069.4269.41212.41912.404K maxmin1.4901.4781.9601.9482.6702.6543.9803.9645.2305.2147.
11、4007.3849.5079.49112.50012.484Threads perinchThread depth120.0541120.054180.081280.081280.081280.081280.081280.0812AAStandard metric threads have not been established for impervious graphite pipe.FIG.1 Standard Male Thread Dimensions,(in.)AC662 162 SUMMARY OF CHANGESSubcommittee D02.F0 has identifie
12、d the location of selected changes to this standard since the last issue(C662 70(2010)that may impact the use of this standard.(Approved Jan.1,2016.)(1)Revised Section 2,Terminology.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item
13、 mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committe
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16、0,West Conshohocken,PA 19428-2959,United States.Individual reprints(single or multiple copies)of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585(phone),610-832-9555(fax),or serviceastm.org(e-mail);or through the ASTM website(www.astm.org).Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center,222Rosewood Drive,Danvers,MA 01923,Tel:(978)646-2600;http:/ Size11122346810A111223468181018C11114112112134218238F15821827
