1、Designation: C662 16 An 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 o
2、f last 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 graphit
3、e pipeand fittings. 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 imperviou
4、s to liquids in 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 T
5、he eight standard 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 graphit
6、e pipe;threading specifications1This 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 F
7、ebruary 2016. Originallyapproved 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
8、TABLE 1 Physical Dimensions of Impervious Graphite PipePipe Size(nominalInsideDiameter),in.Typical LimitsLengthAInside Diameter Outside Diametermin max min max in.+14 0mm+60 0in. mm in. mm in. mm in. mm11516 23.8 1116 27.0 13164 37.7 1916 39.7 108 2740.112 1716 36.5 1916 39.7 16164 49.6 2116 52.4 10
9、8 2740.211516 49.2 2116 52.4 21116 68.3 21316 71.4 108 2740.321516 74.6 314 82.6 4 101.6 4316 106.4 108 2740.431516 100.0 414 108.0 514 133.4 512 139.7 108 2740.651516 150.8 614 158.8 7716 188.9 71316 198.4 108 2740.8B8116 204.8 8316 208.0 912 241.3 934 247.7 72 1830.10B 1016 255.6 10316 258.8 1212
10、317.5 1234 323.9 72 1830.AMaximum curvature12 % of length measured chord to arc.BMachined limits for 8 in. and 10 in. size pipe. All others are extruded to size.Pipe Size 1 112 2346810A112 2346818 1018B112 2234 4514 712 958 1258D1818532532532532532532E13161316 1116 1516 1516 1916 11516 2316J maxmin1
11、.4361.4301.9061.8982.5892.5813.8993.8875.1495.1377.3197.3069.4269.41212.41912.404K maxmin1.4901.4781.9601.9482.6702.6543.9803.9645.2305.2147.4007.3849.5079.49112.50012.484Threads perinchThread depth120.0541120.054180.081280.081280.081280.081280.081280.0812AAStandard metric threads have not been esta
12、blished for impervious graphite pipe.FIG. 1 Standard Male Thread Dimensions, (in.)AC662 162SUMMARY OF CHANGESSubcommittee D02.F0 has identified 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)
13、Revised Section 2, Terminology.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof i
14、nfringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this sta
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17、cting 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)
18、 646-2600; http:/ Size 1 112 2346810A112 2346818 1018C11114 112 112 134 218 238F158 218 278 414 5916 71516 978 1278G maxmin1.4291.4201.8991.8902.5882.5753.8983.8855.1485.1357.3187.3059.4259.41212.41812.406H maxmin1.4621.4561.9341.9262.6372.6293.9513.9395.2015.1897.3727.3599.4809.46612.47412.459Threads perinchThread depth120.0449120.044980.067480.067480.067480.067480.067480.0674AAStandard metric threads have not been established for impervious graphite pipe.FIG. 2 Standard Female Thread Dimensions, (in.)AC662 163
